CPU_PCB : 無料・フリー素材/写真
CPU_PCB / tony_duell
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | The processor PCB from this terminal. It is based round the 6809 microprocessor. Also on the board are the firmware EPROMs, scratchpad RAM, a 6821 PIA (in part for the Centronics printer port) and 4 6551 serial chips. One for the keyboard, one for the serial printer port and 2 for the communications port (to allow different transmit and receive baud rates) |
| 撮影日 | 2021-02-01 07:46:01 |
| 撮影者 | tony_duell |
| タグ | |
| 撮影地 | |
| カメラ | COOLPIX L25 , NIKON |
| 露出 | 0.033 sec (1/30) |
| 開放F値 | f/3.3 |