| IC number | Manufacturer | Documentation |
|---|---|---|
| Am7990 | AMD | Not available |
| IC number | Package | CBM part number | CBM part description |
|---|---|---|---|
| Am7990 | 48-Pin DIP | 390631-01 | LSI AMD7990 LANCE |
| Amiga | Position | Package |
|---|---|---|
| A2065 | U2 | DIP |
| Pin | Type | Name | Description | Signal name |
|---|---|---|---|---|
| A2065 | ||||
| 1 | Power | VSS | Ground | GND |
| 2..9 | I/O | DAL7..DAL0 | Data/Address Lines | ID7..ID0 |
| 10 | I/O | READ | Operation Type | LREAD |
| 11 | Output | INTR_ | Interrupt | _INT |
| 12 | Output | DALI_ | Data/Address Line In | unused |
| 13 | Output | DALO_ | Data/Address Line Out | unused |
| 14 | I/O | DAS_ | Data Strobe | _LDAS |
| 15 | Output | BM0_/BYTE | Byte Mask / Byte Select | _LLDS |
| 16 | Output | BM1_/BUSAKO_ | Byte Mask / Bus Request Output | _LUDS |
| 17 | Output | HOLD_/BUSREQ_ | Bus Hold Request | _HOLD |
| 18 | Input | ALE/AS_ | Address Latch Enable | ALE |
| 19 | Input | HLDA_ | Bus Hold Acknowledge | _LANCE |
| 20 | Input | CS_ | Chip Select | _LCS |
| 21 | Input | ADR | Register Address Port Select | IA1 |
| 22 | I/O | READY_ | Acknowledge | _LRDY |
| 23 | Input | RESET_ | Reset | _RESET |
| 24 | Power | VSS | Ground | GND |
| 25 | Input | TCLK | Transmit Clock | connected to TCLK of Am7992B |
| 26 | Output | TENA | Transmit Enable | connected to TENA of Am7992B |
| 27 | Input | RCLK | Receive Clock | connected to RCLK of Am7992B |
| 28 | Input | CLSN | Collision | connected to CLSN of Am7992B |
| 29 | Output | TX | Transmit | connected to TX of Am7992B |
| 30 | Input | RENA | Receive Enable | connected to RENA of Am7992B |
| 31 | Input | RX | Receive | connected to RX of Am7992B |
| 32..39 | Output | A23..A16 | High Order Address Bus | unused |
| 40..47 | I/O | DAL15..DAL8 | Data/Address Lines | ID15..ID8 |
| 48 | Power | VDD | Power Supply +5V | VCC |
Copyright © 2004 Ronald van Dijk - All rights reserved
Last update: 1 February 2004