| IC number | Manufacturer | Documentation |
|---|---|---|
| XC2064 | Xilinx | Not available |
| IC number | Package | Speed |
|---|---|---|
| XC2064-50PC68 | 68-pin PLCC | 50 MHz |
| Device | Position | Package | Speed |
|---|---|---|---|
| A570 | U7 | PLCC | 50 MHz |
| Pin | Type | Device pin name | User pin name | Signal name | |
|---|---|---|---|---|---|
| Config mode | User mode | A570 | A570 | ||
| 1 | Power | GND | GND | GND | GND |
| 2 | I/O | I/O | INITB | *INITB | |
| 3 | I/O | I/O | CDGRDY | Connected to PC0 of the 6525 | |
| 4 | I/O | I/O | CSX1 | *CSX1 | |
| 5 | I/O | I/O | IFRST | *IFRST | |
| 6 | I/O | I/O | W | W | |
| 7 | I/O | I/O | SBCP | SBCP | |
| 8 | I/O | I/O | SCCK | SCCK | |
| 9 | I/O | I/O | STEN | *STEN | |
| 10 | Input | _PWRDWN | _PWRDWN | PWRDOWN | VCC |
| 11 | I/O | I/O | XDREQ | XDREQ | |
| 12 | I/O | I/O | DRQ | DRQ | |
| 13 | I/O | I/O | SCOR | SCOR via U8 and connected to PC1 of the 6525 | |
| 14 | I/O | I/O | EFFK | EFFK | |
| 15 | I/O | I/O | V | V | |
| 16 | I/O | I/O | U | U | |
| 17 | I/O | I/O | T | T | |
| 18 | Power | VCC | VCC | VCC | VCC |
| 19 | I/O | I/O | S | S | |
| 20 | I/O | I/O | R | R | |
| 21 | I/O | I/O | Q | Q | |
| 22 | I/O | I/O | A17 | A17 | |
| 23 | I/O | I/O | P | P | |
| 24 | I/O | I/O | CDMUTE | *CDMUTE | |
| 25 | Input | M1 | _RDATA | M1 | GND |
| 26 | I/O | M0 | RTRIG | M0 | GND |
| 27 | I/O | M2 | I/O | A15/M2 | A15 |
| 28 | I/O | HDC | I/O | A22/HDC | A22 |
| 29 | I/O | I/O | A23 | A23 | |
| 30 | I/O | LDC | I/O | A20/LDC | A20 |
| 31 | I/O | I/O | A21 | A21 | |
| 32 | I/O | I/O | A19 | A19 | |
| 33 | I/O | I/O | A16 | A16 | |
| 34 | I/O | I/O | A18 | A18 | |
| 35 | Power | GND | GND | GND | GND |
| 36 | I/O | I/O | AS | *AS | |
| 37 | I/O | I/O | CSNV | *CSNV | |
| 38 | I/O | I/O | LDS | *LDS | |
| 39 | I/O | I/O | UDS | *UDS | |
| 40 | I/O | I/O | A14 | A14 | |
| 41 | I/O | I/O | CSROM | *CDROM | |
| 42 | I/O | I/O | CCK | *CCK | |
| 43 | I/O | XTL2 or I/O | UWRITE | *UWRITE | |
| 44 | Input | _RESET | _RESET | RESET | VCC via R63 |
| 45 | I/O | _DONE | _PROG | DONE | *RST via U4 and connected to OE and CE of the XC1736 |
| 46 | I/O | XTL1 or I/O | UOE | *UOE | |
| 47 | I/O | I/O | LWRITE | *LWRITE | |
| 48 | I/O | I/O | LOE | *LOE | |
| 49 | I/O | I/O | DTACK | *DTACK | |
| 50 | I/O | I/O | CCKQ | *CCKQ | |
| 51 | I/O | I/O | 7MHZ | 7MHZ | |
| 52 | Power | VCC | VCC | VCC | VCC |
| 53 | I/O | I/O | RAMSEL | *RAMSEL | |
| 54 | I/O | I/O | MUX | MUX | |
| 55 | I/O | I/O | RAS | *RAS | |
| 56 | I/O | I/O | CDAC | CDAC | |
| 57 | I/O | _RCLK | I/O | CAS | *CAS |
| 58 | I/O | DIN | I/O | R/_W/DIN | R/W |
| 59 | I/O | DOUT | I/O | XDACK/DOUT | *XDACK |
| 60 | I/O | CCLK | CCLK | DCLK | Connected to CLK of the XC1736 |
| 61 | I/O | I/O | A4 | A4 | |
| 62 | I/O | I/O | MRD | *MRD | |
| 63 | I/O | I/O | CSTP | Connected to _CS of the 6525 | |
| 64 | I/O | I/O | MWR | *MWR | |
| 65 | I/O | I/O | IOR | *IOR | |
| 66 | I/O | I/O | CSX0 | *CSX0 | |
| 67 | I/O | I/O | IOW | *IOW | |
| 68 | I/O | I/O | CDRST | *CDRST | |
Copyright © 2003-2004 Ronald van Dijk - All rights reserved
Last update: 9 January 2004