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AN 426: Using MAX II CPLDs as Analog Keyboard Encoders - Altera

Keyboard encoders are a very common application for CPLDs. Typically a processor, ASSP, or ASIC does not have enough pins for keypads or keyboards. I/O expansion is a very common function for CPLDs and allows a processor to decode a very large keyboard with very few I/Os. Even though CPLDs like MAX® and MAX® II may have abundant low-cost I/Os, decoding a keypad or keyboard with one I/O per switch is not desirable. The advantage of decoding a keyboard with fewer wires is that it reduces the number of wires going from a keypad to a main circuit board or it reduces the complexity of a switch matrix in the keyboard assembly. This application note explains how the resources of a MAX II device can be used to decode a very large number of switches in a keypad or keyboard with only two I/Os and a GND pin. The decoding approach used works for as few as 4 switches and as many as 48 switches. The most common way to encode a switch with a CPLD is by using a simple circuit that ties one end of the switch to GND and the other terminal to VCC through a pull-up resistor, typically 10 KΩ The switch and...

LAB #5: I/O DESIGN USING THE 8255
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The purpose of this lab is to use the MC9S12C32 (HCS12) microcontroller to control a peripheral device, interfaced through parallel I/O ports and accessed using either program-controlled or interrupt-driven I/O. The peripheral device for this lab is a matrix keypad, as used on a variety of products (phones, keyless entry systems, appliances, etc.) The keypad is pictured in Figure 1. Note that there are 8 pins on the bottom of the keypad, with pin spacing (“pitch”) that will allow the pins to be inserted into a standard breadboard. This keypad closely resembles the simulated keypad in CodeWarrior that was used in ELEC 2200 projects. Refer to the keypad scanning example in Chapter 18 of the Cady text book and homework projects from ELEC 2220.

XY-Matrix Keypad Interface to MicroConverter ... - Analog Devices

Using a keypad input in a MicroConverter application is sometimes required for specific operations. It may be used to input data following a request from the MicroConverter or simply to trigger the MicroConverter to initiate a particular operation. The MicroConverter can be configured to poll the keypad continuously for an input, or the keypad interface can be configured in an interrupt driven system, depending on the system requirements. KEYPAD The keypad used for this application is a 16 - way XY-Matrix hexadecimal keypad (www.eaoswitch.com, Mfgr. No. ECO 16250 06, Farnell order code: 467-212). This keypad has eight connections at the rear—four columns (X1–X4) and four rows (Y1–Y4). Figure 1 and Figure 2 show the front and rear of the keypad. OPERATION There are two methods of operation: continuous polling, where the MicroConverter spends most or all of its time checking the keypad for a key press; and interrupt driven, where the MicroConverter is free to perform whatever other tasks are required and checks...

Parallel I/O and Keyboard Scanning
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Microprocessors can monitor the outside world using input ports. They can also control it using output ports. The 68HC9S12C32 performs I/O using 11 ports (although you will have access to only 6 I/O ports on board). Computer keyboards are typically wired as rows and columns of individual key switches. This switch matrix is then scanned to determine if a key is pressed, and if so, which one. The I/O capability of the 68HCS12 can be used to do this scanning. In this lab, you will learn, • How to perform simple parallel input and output transfers using ports M and T. • How to use polling to do data transfers. • How to interface the keypad with the 68HCS12. • How to scan the keypad and detect that a key has been pressed. • How to de-bounce the keypad using software. 7.2 Related material to read: • Basic Concepts of I/O: Section 7.2 in the text, page 230. • Overview of 68HC12 Parallel Port: Section 7.5 in the text, pages 234 – 242. • Interfacing with Simple Input & Output Devices: Section 7.6 in the text, pages 242 – 258. • Interfacing the 68HC12 to a Keypad: Section 7.8 in the text, pages 264 - 269. -1- Lab 7 • Parallel I/O and Keyboard Scanning Detailed register map: MC9S12C Family Device User Guide, pages 33 – 50. 7.3 Parallel I/O using 68HCS12: The 68HC12 has eleven 8-bit I/O ports, but for this lab you will only use ports M and T. The microcontroller uses its address, data, and control buses to control I/O hardware as if...

USB Keypad Reference Design - Microchip

Most computer users are familiar with the numeric keypad section on a computer keyboard. The numeric keypad is generally used to enter long sequences of numbers, or while working with applications such as calculator, spreadsheet and accounting programs. However, most laptop manufacturers do not provide a numeric keypad section on their keyboard due to space constraint. The Microchip USB keypad demo is an easy plug-andplay USB keypad which can be plugged into a computer or a USB host to make the numeric keypad available. The USB keypad is designed using the PIC16F1459 device, which is part of Microchip’s 8-bit USB-capable family, PIC16F14XX. DEMONSTRATION HIGHLIGHTS All the USB keypad features are driven by a single device, PIC16F1459. The following list describes the USB keypad features: • Crystal-free USB operation • 18 touch buttons using Microchip’s Capacitive Voltage Divider (CVD) technique • LED backlight with proximity sensing ON and auto power OFF • Audio feedback using piezo buzzer • USB Human Interface Device (HID) interface • Plug-and-play • Low-cost light weight design Figure 1 illustrates the USB keypad. FIGURE 1: USB KEYPAD This application note describes the USB Keypad Reference Design. The PCB layout for the capacitive touch sensors arranged in a matrix is also provided. Visit the Microchip web site for the following: • For more information on Microchip’s capacitive sensing solutions, visit http://www.microchip.com/ mTouch. • For more information on Microchip’s USB solutions, visit http://www.microchip.com/USB.

Soal dan Pembahasan Matematika IPA SNMPTN 2011

Soal-Soal dan Pembahasan SNMPTN Matematika IPA Tahun Pelajaran 2010/2011 Tanggal Ujian: 01 Juni 2011 1. Diketahui vektor u = (a, -2, -1) dan v = (a, a, -1). Jika vektor u tegak lurus pada v , maka nilai a adalah ... A. -1 B. 0 C. 1 D. 2 E. 3 Jawab: Vektor: vektor u tegak lurus pada v maka u . v = 0 u = −2 , v = −1 −2 . −1 −1 (a – 1) (a-1) = 0 maka a = 1 −1 = a2 – 2a + 1 = 0 (a - 1)2 = 0 Jawabannya adalah C 2. Pernyataan berikut yang benar adalah ... A. Jika sin x = sin y maka x = y B. Untuk setiap vektor u , v dan w berlaku u . ( v . w ) = ( u . v ). w C. Jika b  f ( x) dx = 0, maka a D. Ada fungsi f sehingga E. 1 – cos 2x = 2 cos2 x f ( x )= 0 Lim f(x) ≠ f(c) untuk suatu c xc www.belajar-matematika.com - 1 Jawab: Trigonometri, vektor, integral, limit A. Ambil nilai dimana sin x = sin y  sin α = sin (1800 – α ) ambil nilai α = 600  sin 600 = sin 1200 ; tetapi 600 ≠ 1200 Pernyataan SALAH B. Operasi u . ( v . w ) tak terdefinisi karena v . w = skalar, sedangkan u = vektor vektor . skalar = tak terdefinisi Pernyataan SALAH C. Ambil contoh cari cepat hasil dimana b  f ( x) dx = 0 ; a 1 Didapat b = 1 dan a = -1 maka f(x)= x   x dx = 0  1 terbukti : f(x) = x bukan f(x) = 0 x2 | Pernyataan SALAH D. Ambil contoh f(x) = Lim xc f(x) = Lim x 1 ( ( = ( ( ) ( )( ) = ) ( ) Lim f(x) ≠ f(c)  2 ≠ 1 xc ) ( )( ) = ) ( ) =2 Pernyataan BENAR E. 1 – cos 2x = 1 – ( 2cos2 x – 1) = 1 + 1 - 2cos2 x = 2 - 2cos2 x = 2 ( 1 – cos2 x) Pernyataan SALAH Jawabannya adalah D www.belajar-matematika.com - 2 = (1 – 1) = 0 3. Luas daerah di bawah y = -x2 +8x dan di atas y = 6x - 24 dan terletak di kuadran I adalah.... a. ∫ (− b. ∫ (− c. ∫ (− +8 ) +8 ) +8 ) d. ∫ (6 − 24) e. ∫ (6 − 24) Jawab: Integral: +∫ ( + ∫ (− + ∫ (− + ∫ (− + ∫ (− − 2 − 24) + 2 + 24) + 2 + 24) +8 ) +8 ) kuadran I titik potong kedua persamaan : y1 = y2 -x2 +8x = 6x-24 -x2 +8x - 6x+24 = 0 -x2 +2x + 24 = 0 x2 -2x - 24 = 0 (x - 6) (x+4)0 x = 6 atau x = -4  karena di kuadran I maka yang berlaku adalah x = 6  y = 6.6 – 24= 12 berada di titik (6,12) www.belajar-matematika.com - 3 L = ∫ (− = ∫ (− +8 ) +8 ) + ∫ ((− + ∫ (− Jawabannya adalah B + 8 ) − (6 − 24)) + 2 + 24) 4. sin 350 cos 400 - cos 35 sin 400 = A. cos 50 B. sin 50 C. cos 950 D. cos 750 E. sin 750 Jawab: Trigonometri: Pakai rumus: sin (A - B) = sin A cos B - cos A Sin B A= 350 ; B = 400 = sin (350 - 400) = sin -50 Cos (90 0 -  ) = sin   rumus Cos (90 0 - (-50) ) = sin -50   = -50 Cos 950 = sin -50 Jawabannya adalah C 5. Diketahui g(x) = ax2 – bx + a – b habis dibagi x – 1. Jika f(x) adalah suku banyak yang bersisa a ketika dibagi x – 1 dan bersisa 3ax + b2 + 1 ketika dibagi g(x), maka nilai a adalah...... A. -1 B. -2 C. 1 D. 2 Jawab: Suku Banyak: g(x) = ax2 – bx + a – b habis dibagi x – 1  g(1) = 0 g(1) = a . 1 – b .1 + a – b = 0 =a–b+a–b=0 2a – 2b = 0 2a = 2b  a = b karena a = b maka: g(x) = ax2 – ax + a – a = ax2 – ax www.belajar-matematika.com - 4 E. 3 f(x) dibagi dengan f(x-1) sisa a  f(1) = a f(x) dibagi dengan g(x) sisa 3ax + b2 + 1 f(x) dibagi dengan ax2 – ax sisa 3ax + b2 + 1 f(x) dibagi dengan ax(x – 1) sisa 3ax + b2 + 1 teorema suku banyak: Jika suatu banyak f(x) dibagi oleh (x- k) akan diperoleh hasil bagi H(x) dan sisa pembagian S  f(x) = (x- k) H(x) + S f(x) dibagi dengan ax(x – 1) sisa 3ax + b2 + 1 f(x) = ax (x - 1) H(x) + (3ax + b2 + 1) substitusikan nilai nol dari pembagi yaitu x = 0 dan x = 1  dari ax (x - 1) ambil x = 1  untuk x = 1 f(1) = a . 1 (1 – 1) H(0) + 3a.1 + b2 + 1 a = 0 + 3a + b2 + 1  diketahu a = b, masukkan nilai a = b a = 3a + a2 + 1 a2 + 2a + 1 = 0 (a+1)(a+1) = (a+1)2 = 0 a = -1 Jawabannya adalah A 6. Rotasi sebesar 450 terhadap titik asal diikuti dengan pencerminan terhadap y = -x memetakan titik (3,4) ke .... A. √ B. − Jawab: ,√ √ ,√ C. D. √ √ ,−√ ,−√ E. − Transformasi Geometri:  cos  Rotasi sebesar 450 terhadap titik asal =   sin    sin    cos     0  1 pencerminan terhadap y = -x    1 0     www.belajar-matematika.com - 5 √ ,√

SAFETY SHEET # 11 GRINDING MACHINERY Consult the Ontario ...

Consult the Ontario Occupational Health and Safety Act and its Regulations, more specifically the Industrial Establishments – Reg 851, as well as the relevant CSA Standard (B173.5) for detailed information on grinding machinery. A grinding wheel is defined as an expendable wheel that carries an abrasive compound on its border; generally made from a matrix of coarse particles pressed and bonded together to form a solid, circular shape A ring test (also referred to as an acoustic test) is a method to check if the wheel is in proper working order. To conduct the test, hold the grindstone by its centre and lightly tap the grindstone in four opposite corners with a non-metallic object (wooden mallet, plastichandled screwdriver) and listen at every tap; a clear (metallic “ring”) sound indicates a solid grindstone while a muffled (dead) sound indicates the grindstone is cracked; see “How to conduct a ring test” (http://www.ccohs.ca/oshanswers/safety_haz/abrasive_wheels/wheels.html); any wheel that is cracked should be discarded. A competent person is defined by the Ontario Occupational Health & Safety Act as a person who (i) is qualified because of knowledge, training and experience to organize the work and its performance; (ii) is familiar with this Act and the regulations that apply to the work and (iii) has knowledge of any potential or actual danger to health & safety in the workplace. Hazard Classes: Consult the Self-Assessment Form (http://www.iapa.ca/pdf2/irsst_Grinder.pdf) for more information • Mechanical – abrasions, contusions and fractures can occur if you are using a damaged grinder wheel; • Heat – burns – ensure that fire extinguishers are adequately placed and no flammable products in the area; • Chemical / Biological – irritation, dermatitis, intoxication, infection – change the cooling fluid when necessary; check that there are no hazardous substances; • Physical – high noise levels can slowly hinder hearing capabilities; ear muffs/plugs are recommended; • Ergonomic – muscular-skeletal disorders (http://www.ccohs.ca/oshanswers/diseases/rmirsi.html) and back aches caused by orientation / setup of drill press among other factors; • Electrical – unplug the equipment when performing maintenance; ensure that the equipment is properly grounded Prior to Starting the Grinder: • Competent person shall be assigned to the mounting, care, and inspection of abrasive wheels and grinding machines. • All workers operating a grinding machine shall wear the appropriate personal protective equipment relevant to the particular hazards (safety glasses, face shield, respirator, hearing protection etc.) • Inspection shall be conducted and documented; then regular inspections shall be conducted and records made available. • Manuals and operating instructions for the grinding machine shall be made available to all workers. • Check the manufacturing date on the grindstone label; dispose of expired ones. • A grinding machine shall be inspected for defects prior to mounting (by conducting a ring test), and shall be mounted in accordance with the manufacturer’s specifications (wheel properly mounted between flanges; guard(s) securely in place etc.) • All rotating motor components are enclosed with adequate guarding materials • A grinding machine shall be provided with protective hoods that enclose the wheel (as close to the wheel as the work will...

LAPORAN AKHIR - JICA
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Sebagaimana diketahui bersama bahwa berbagai bencana telah terjadi di Indonesia. Kondisi tersebut menuntut masyarakat untuk waspada dan siap ketika sewaktu-waktu bencana alam melanda. Minimnya pengetahuan masyarakat terhadap pengenalan tanda-tanda bencana alam dan upaya meminimalisir resiko yang dihadapi mendorong Japan International Cooperation Agency (JICA), Pemerintah setempat juga Lembaga Swadaya Masyarakat (LSM) untuk memberikan bekal pengetahuan terhadap bencana alam kepada masyarakat di daerah rawan bencana. Beberapa wilayah potensi bencana alam di Kabupaten Jember antara lain wilayah Kecamatan Panti dan Sukorambi, Silo berpotensi bencana banjir dan tanah longsor. Sebagai respon terhadap kajian pengelolaan bencana alam di Kabupaten Jember yang dilaksanakan oleh Tim JICA, maka Yayasan Pengabdi Masyarakat sebagai lembaga swadaya masyarakat non pemerintah ingin berperan dalam kegiatan tersebut. Yayasan Pengabdi Masyarakat sebagai lembaga layanan masyarakat, telah banyak melakukan kegiatan, antara lain pemberdayaan masyarakat dalam upaya pemberantasan buta aksara maupun pengentasan kemiskinan, pelatihan, survey, dan kegiatan sosial dan berperan dalam penanganan bencana alam di Kecamatan Panti. Pada tahun 2007, Yayasan Pengabdi Masyarakat bekerjasama dengan JICA Study Team on Disaster melakukan berbagai kegiatan dalam upaya memberikan pengetahuan kepada masyarakat tentang penanganan bencana alam. Kegiatan tersebut antara lain Training for Local Leader (training kepada pamong masyarakat), Community Workshop (Worksop kepada masyarakat), serta Evacuation Drill (pleatihan Evakuasi). Semua kegiatan tersebut dilakukan di Desa Panti Kecamatan Panti Kabupaten Jember. Oleh karena itu Yayasan Pengabdi Masyarakat pada tahun 2010 ini siap untuk menjadi partner JICA di Kabupaten Jember dalam kegiatan “Penelitian Dasar dan Persiapan untuk Sub Proyek Sistem Peringatan Dini dan Evakuasi Dini” untuk mengidentifikasi sejauhmana kesadaran masyarakat setempat dan pemerintah setempat dalam melakukan persiapan antisipasi banjir bandang di Desa Panti, Desa Sukorambi dan Desa Silo...

Outline laporan antara - Direktorat Jenderal Penataan Ruang

Tujuan utama dari pekerjaan ini adalah melakukan penyusunan alternatif kebijakan dan penerapan langkah-langkah kegiatan yang tepat secara operasional pada wilayah yang berada pada daerah yang rawan dan sering terlanda bencana alam. Sasaran dari Penyusunan Operasionalisasi Program Penanganan Bencana Alam Bidang Penataan Ruang ini ialah memberikan arah yang jelas bentuk-bentuk penanganan yang baku untuk semua wilayah yang berada pada daerah yang rawan dan sering terlanda bencana alam, mulai dari identifikasi RTRW, indikasi evakuasi yang sesuai dengan Rencana Tata Ruang Wilayah (RTRW), serta pemulihan dan pembinaan lingkungan dalam rencana tata ruang yang akan datang. Kegiatan ini juga diharapkan sebagai bahan dan petunjuk dengan kondisi geografis, tingkat kerawanan dan tingkat bahaya yang ditimbulkan bila terjadi bencana alam, ditunjang dari aspek keruangan. Salah satu langkah awal yang perlu dikaji dalam melaksanakan pekerjaan “Penyusunan Program Penangan Bencana Alam Bidang Penataan Ruang” adalah : 1. Penetapan Kriteria atau batasan Peristiwa Bencana Alam 2. Gambaran Umum Mekanisma Peristiwa Bencana Alam yang terjadi Di Indonesia Kedua hal tersebut selanjutnya menjadi masukan dalam penyusunan Identifikas Zonasi Daerah Bencana Di Indonesia. Identifikasi Zonasi Daerah Bencana Di Indonesia tersebut selanjutnya menjadi salah satu masukan penting dalam menyusun Standar Operasional Prosedur dan Program Penanganan Bencana alam Bidang Penataan Ruang, yang dapat mewakili berbagai peristiwa bencana alam yang terjadi di Indonesia. Operasionalisasi Program Penanganan Bencana Alam Bidang Penataan Ruang Berdasarkan penyebabnya bencana dapat dibedakan menjadi tiga jenis, yaitu bencana alam, bencana akibat ulah manusia, dan bencana kombinasi (Lihat Gambar 2.1). a) Bencana Alam (natural disaster) Bencana Alam merupakan fenomena atau gejala alam yang disebabkan oleh keadaan geologi, biologis, seismis, hidrologis atau disebabkan oleh suatu proses dalam lingkungan alam mengancam kehidupan, struktur dan perekonomian masyarakat serta menimbulkan malapetaka. Bencana yang termasuk bencana alam antara lain: wabah penyakit, hama dan penyakit tanaman, gempa bumi, letusan gunung berapi, tanah longsor, gelombang laut pasang, banjir, erosi, angin taufan, badai tropis, kekeringan dan kebakaran hutan.

Pengurusan Bantuan Bencana
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Senarai Kandungan ........................................................................................................................................ i Petunjuk ........................................................................................................................................................... 1 Log Masuk ....................................................................................................................................................... 2 Tukar Kata Laluan ......................................................................................................................................... 3 Carian .............................................................................................................................................................. 4 Carian .............................................................................................................................................................. 5 Carian Pemindahan ........................................................................................................................................ 6 Carian Pembekal ............................................................................................................................................. 7 Carian Pangkalan Hadapan ........................................................................................................................... 8 Carian Pusat Pemindahan .............................................................................................................................. 9 Carian Pegawai ............................................................................................................................................... 10 Cetakan Maklumat Pegawai .......................................................................................................................... 11 Carian Agensi .................................................................................................................................................. 12 Cetakan Maklumat Agensi ............................................................................................................................. 13 Carian Laporan Awal 24 jam ........................................................................................................................ 14 Carian Maklumat Bencana ............................................................................................................................ 15 Carian Maklumat Mangsa ............................................................................................................................. 16 Cetakan Maklumat Mangsa ........................................................................................................................... 17 Carian Daftar Mangsa .................................................................................................................................... 18 Carian Pesanan Bekalan ................................................................................................................................ 19 Carian Pesanan Laporan Status Terkini ...................................................................................................... 200 Cetakan Pesanan Laporan Status Terkini .................................................................................................... 211 Carian Pesanan Penyata Bayaran Bantuan .................................................................................................. 222 Sebelum Bencana ............................................................................................................................................ 233 Carian Pembekal ............................................................................................................................................. 244 Carian Pembekal ............................................................................................................................................. 255 Kemasukan Baru Pembekal ........................................................................................................................... 266 Paparan Maklumat Pembekal ....................................................................................................................... 277 Cetakan Maklumat Pembekal ....................................................................................................................... 288 Kemaskini Maklumat Pembekal ................................................................................................................... 299 Carian Pangkalan Hadapan ........................................................................................................................... 30 Carian Pangkalan Hadapan ........................................................................................................................... 31 Kemasukan Baru Pangkalan Hadapan ......................................................................................................... 32 Paparan Maklumat Pangkalan Hadapan ..................................................................................................... 33 Cetakan Maklumat Pangkalan Hadapan ..................................................................................................... 34 Kemaskini Maklumat Pangkalan Hadapan ................................................................................................. 35 Carian Agensi .................................................................................................................................................. 36 Kemasukan Baru Agensi ................................................................................................................................ 37

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