8250 used in Commodore and Amiga equipment
- IC number
- 8250
- IC function
- UART (Universal Asynchronous Receiver/Transmitter)
| IC number | Manufacturer | Documentation |
|---|---|---|
| INS8250A, NS8250A | National Semiconductor | Not available |
| WD8250 |  | Not available |
| IC number | Package | CBM part number | CBM part description |
|---|---|---|---|
| INS8250AN, NS8250AN, WD8250-PL | 40-pin DIP | 380205-01 | IC, 8250 ACI 5MHz |
| Device | Positions | Package |
|---|---|---|
| PC-I | U45 | DIP |
| PC-10 I/O-board | U23 | DIP |
| PC-10 combined board | U71 | DIP |
| PC10-III | U402 | DIP |
| PC30-III | U604 | DIP |
| PC40-III | U604 | DIP |
| PC60-III | U105 | DIP |
| Pin | Type | Name |
|---|---|---|
| 1..8 | I/O | D0..D7 |
| 9 | Input | RCLK |
| 10 | Input | SIN |
| 11 | Output | SOUT |
| 12..13 | Input | CS0..CS1 |
| 14 | Input | CS2_ |
| 15 | Output | BAUDOUT_ |
| 16 | Input | XIN |
| 17 | Output | XOUT |
| 18 | Input | WR_ |
| 19 | Input | WR |
| 20 | Power | VSS |
| 21 | Input | RD_ |
| 22 | Input | RD |
| 23 | Output | DDIS |
| 24 | Output | CSOUT |
| 25 | Input | ADS_ |
| 26..28 | Input | A2..A0 |
| 29 | N/C | NC |
| 30 | Output | INTR |
| 31 | Output | OUT2_ |
| 32 | Output | RTS_ |
| 33 | Output | DTR_ |
| 34 | Output | OUT1_ |
| 35 | Input | MR |
| 36 | Input | CTS_ |
| 37 | Input | DSR_ |
| 38 | Input | DCD_ |
| 39 | Input | RI_ |
| 40 | Power | VDD |
Copyright © 2004 Ronald van Dijk - All rights reserved
Last update: 20 March 2004