 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| C8279 Programmable Keyboard Display Interface Megafunction General Description The C8279 is a programmable keyboard and display interface designed for use with microprocessors. The keyboard portion can provide a scanned interface to a 64-contact key matrix. The display portion provides a scanned display interface for LED, incandescent and other display technologies. Features * * * * * * * * * * * * * Simultaneous Keyboard Display Operation Scanned Keyboard Mode Scanned Sensor Mode Strobed Input Entry Mode 8-Character Keyboard FIFO 2-Key Lockout or N-key Rollover with Contact Debounce Dual 8- or 16-Numeric Display Single 16-Character Display Right or Left Entry 16-Byte Display RAM Mode Programmable from CPU Interrupt Scan Timing Interrupt Output on Key Entry Functionality based on the Intel 8279 CAST, Inc. March 2004 Page 1 C8279 Megafunction Datasheet Symbol CLK RESET DB_OUT[7:0] A0 SL[3:0] CSN IRQ WRN DBN RDN OUTA[3:0] RL[7:0] OUTB[3:0] SHIFT CNTLSTB DB_IN[7:0] C8279 Pin Description Name CLK RESET CSN A0 RDN WRN RL[7:0] SHIFT CNTSTB DB_IN[7:0] DB_OUT[7:0] PDBTRI IRQ SL[3:0] OUTA[3:0] OUTB[3:0] BDN Type In In In In In In In In In In Out Out Out Out Out Out Out Polarity Rising High Low Low Low Low Low Description Clock Reset Chip Select Buffer Address Input/Output Read Input/Output Write Return Lines Shift Input Status Control/Strobed Input Mode Data Bus (input side) Data Bus (output side) Tri-State signal for DB_OUT Interrupt Request Scan Lines Outputs A for 16x4 display refresh registers Outputs B for 16x4 display refresh registers Blank Display CAST, Inc. Page 2 C8279 Megafunction Datasheet Applications * * * * * * Point-of-contact Kiosk Medical instrumentation Test & Measurement Instrumentation Industrial Equipment Avionics Gaming & Amusement Machines Block Diagram CLK RESET DB_IN[7:0] DB_OUT[7:0] RDN WRN CSN A0 IRQ Data Buffers I/O Control FIFO/SENSOR RAM Status Internal Data Bus Display Address Register 16 x 8 Display RAM Control and Timing Registers 8x8 FIFO/SENSOR RAM Keyboard Debounce and Control Display Registers Timing and Control Scan Counter Return OUTA[3:0] OUTB[3:0] Device Utilization & Performance Supported Family Cyclone Stratix Stratix-II CAST, Inc. Device Tested EP1C20-6 EP1S20-5 EP2S60-3 8 BDN SHIFT SL[3:0] RL[7:0] CNTLSTB LEs 1,499 1,499 1,182 Utilization Memory Memory bits 0 0 0 0 0 0 Performance Fmax 101 MHz 105 MHz 119 MHz Page 3 C8279 Megafunction Datasheet Deliverables Encrypted Netlist License * * * * * * * * * * * * * * Post synthesis EDIF netlist Assignment & Configuration Symbol & Include files Testbench Vectors for testing the functionality of the megafunction Place & Route Scripts Documentation VHDL Source License VHDL RTL source code Testbenches Vectors for testing functionality Expected results Synthesis scripts Simulation scripts Documentation Contact Information CAST, Inc. 11 Stonewall Court Woodcliff Lake, New Jersey 07677 USA Phone: +1 201-391-8300 Fax: +1 201-391-8694 E-Mail: info@cast-inc.com URL: www.cast-inc.com Copyright (c) CAST, Inc. 2004, All Rights Reserved. Contents subject to change without notice. CAST, Inc. Page 4 |
Price & Availability of C8279
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |