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rtd DM6914 User Manual

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Summary of Contents for rtd DM6914

  • Page 1 (Real Time Devices)
  • Page 15 Tv‡pu Ahp‡‚…’à Tr‡‡vt† Eˆ€ƒr… Aˆp‡v‚Ã8‚‡…‚yyrq Eˆ€ƒr…†Ã D†‡hyyrq 8‚rp‡†Ã hà EQ#à wˆ€ƒr…à †ryrp‡hiyrà ‚…à qvtv‡hyà v‡r……ˆƒ‡ Eˆ€ƒr…à v†‡hyyrqà ‚Ã Bà t…‚ˆq †‚ˆ…prà ‡‚à hÃ v‡r……ˆƒ‡Ã puhry0à ƒˆyy†Ã ‡…v†‡h‡rà iˆssr…† s‚…à iˆssr…0à v‡r……ˆƒ‡Ã puhry† ‡‚à t…‚ˆqà Bà s‚…à €ˆy‡vƒyrà v‡r……ˆƒ‡Ã hƒƒyvph‡v‚† qv†hiyrq 8‚rp‡†Ã...
  • Page 17 PROGRAMMABLE INVERT IRQ STATUS INTERRUPT (BA+17, BIT 3) SOURCE +5 V INTERRUPT REGISTER INTERRUPT INCREMENTAL INCREMENTAL ENCODER CH-1 ENCODER CH-1 IRQ STATUS INTERRUPT (BA+17, BIT 0) INTERRUPT REGISTER INCREMENTAL INCREMENTAL ENCODER CH-2 ENCODER CH-2 IRQ STATUS INTERRUPT (BA+17, BIT 1) INTERRUPT REGISTER INCREMENTAL...
  • Page 18 ON-BOARD I/O CONNECTOR 8254 CLK0 XTAL (8 MHz) TIMER/ PIN 55 EXT CLK 0 COUNTER +5 V PIN 56 EXT GATE 0 GATE PIN 57 T/C OUT 0 CLK1 OUT0 TIMER/ PIN 59 EXT CLK 1 COUNTER +5 V PIN 60 EXT GATE 1 GATE PIN 58...
  • Page 20 7h†rà 6qq…r†† Tv‡puà Tr‡‡vt 7h†rà 6qq…r†† Tv‡puà Tr‡‡vt 9rpv€hyà à Cr‘ #ÃÃ"ÃÃ!Ãà 9rpv€hyà à Cr‘ #ÃÃ"ÃÃ!Ãà $ !à à ! ÃÃÃÃÃà &%'à à " ÃÃÃÃÃà $##à à !! ÃÃÃÃÃà 'à à "! ÃÃÃÃÃà $&%à à !# ÃÃÃà Ãà '"!à à "# ÃÃÃÃ...
  • Page 26 INC ENC-3 IRQ IN N. C. OVERFLOW-3 OUT N. C. INC ENC-3 CH-B N. C. INC ENC-3 CH-A N. C. P4.3 P5.3 P4.2 P5.2 11 12 P4.1 P5.1 13 14 P4.0 15 16 P5.0 DIGITAL GND DIGITAL GND 17 18 INC ENC-2 IRQ IN N.
  • Page 29 8 MHz 8254 ADDRESS ADDRESS DECODE INTERRUPT CONTROL EXTERNAL INTERRUPTS INCREMENTAL ENCODER INCREMENTAL ENCODER INCREMENTAL ENCODER DATA +5 VOLTS CONTROL...
  • Page 30 ON-BOARD I/O CONNECTOR 8254 CLK0 XTAL (8 MHz) TIMER/ PIN 55 EXT CLK 0 COUNTER +5 V PIN 56 EXT GATE 0 GATE PIN 57 T/C OUT 0 CLK1 OUT0 TIMER/ PIN 59 EXT CLK 1 COUNTER +5 V PIN 60 EXT GATE 1 GATE PIN 58...
  • Page 33 6qq…r††Ã  Srtv†‡r…à 9r†p…vƒ‡v‚ SrhqÃAˆp‡v‚ X…v‡rÃAˆp‡v‚ 9rpv€hy Dp…r€r‡hyà @p‚qr…à Srhqà i‚‡‡‚€Ã 'à iv‡†Ã ‚sà ˆƒq‚ Q…‚t…h€Ã †‡h…‡vtà ‰hyˆrà v‡‚à i‚‡‡‚€ p‚ˆ‡r… 'à iv‡†Ã ‚sà ˆƒq‚Ã p‚ˆ‡r… 76à à  Dp…r€r‡hyà @p‚qr…à Q…‚t…h€Ã †‡h…‡vtà ‰hyˆrà v‡‚à ‡‚ƒ Srhqà ‡‚ƒÃ 'à iv‡†Ã ‚sà ˆƒq‚Ã p‚ˆ‡r… 'Ã...
  • Page 34 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 35 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 36 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 37 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 38 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 39 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 40 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 41 D7 D6 D5 D4 D3 D2 D1 D0...
  • Page 42 76TD8 9h‡h2DIQ6qq…r†† PVUÃ6qq…r††9h‡h Uˆ…i‚Ã8 9h‡h2vƒ‚…‡i6qq…r†† ‚ˆ‡ƒ‚…‡i6qq…r††9h‡h Uˆ…i‚ÃQh†phy 9h‡h)2Q‚…‡b6qq…r††d Q‚…‡b6qq…r††d)29h‡h €‚‰Ã q‘6qq…r†† €‚‰Ã q‘6qq…r†† vÃhyq‘ €‚‰Ãhy9h‡h 6††r€iy’ ‚ˆ‡Ãq‘hy È É • hÃ2ÃiÃÈÃp hÃ2ÃiÃÃp hà 2Ãià ÉÃp hÃ2ÃiÕà p Qh†phy hà )2à ià HP9à p hà )2à iÃ9DWà p hà )2ÃiÃ6I9à p hÃ)2ÃiÃPSÃ...
  • Page 43 V_Save = V_Save OR 8; Port[PortAddress] := V_Save; v_save = v_save & 171; outportb(port_address, v_save); mov al, v_save or al, 168 mov dx, PortAddress out dx, al v_save = v_save & 199; v_save = v_save | 40; outportb(port_address, v_save);...
  • Page 51 ON-BOARD I/O CONNECTOR 8254 CLK0 XTAL (8 MHz) TIMER/ PIN 55 EXT CLK 0 COUNTER +5 V PIN 56 EXT GATE 0 GATE PIN 57 T/C OUT 0 CLK1 OUT0 TIMER/ PIN 59 EXT CLK 1 COUNTER +5 V PIN 60 EXT GATE 1 GATE PIN 58...
  • Page 58 void interrupt ISR(void) /* Your code goes here. Do not use any DOS functions! */ inportb(BaseAddress + 16); /* Clear jumper selectable interrupt */ outportb(0x20, 0x20); /* Send EOI command to 8259 */ Procedure ISR; Interrupt; begin { Your code goes here. Do not use any DOS functions! } c := Port[BaseAddress + 16];...
  • Page 67 INC ENC-3 IRQ IN N. C. OVERFLOW-3 OUT N. C. INC ENC-3 CH-B N. C. INC ENC-3 CH-A N. C. P4.3 P5.3 P4.2 P5.2 11 12 P4.1 13 14 P5.1 P4.0 15 16 P5.0 PIN 1 DIGITAL GND DIGITAL GND 17 18 PIN 2 INC ENC-2 IRQ IN...