PCM-3810A Register A) Segment BIOS segment: 7K Command Segment: 1K Memory Segment: 8K BIOS segment BASE = Card Memory BASE Command segment BASE = Card Memory BASE + 7K Memory segment BASE = Card Memory BASE + 8K B) Commend Segment: BASE + 00 (BIT 0 ~ 2) CHIP SELECT 0 ~ 5 BASE + 01 (BIT 0 ~5) PAGE SELECT 0 ~ 63 BASE + 02 (BIT 0 ~1) MEMORY TYPE SELECT ROM: 0 SRAM: 1 FALSH: 2 (BIT 2) MEMOUR SIZE SELECT 128K: 0 512K: 1 (BIT 6) DISK ON CHIP DOC-2000 ENABLE: 1 DISABLE: 0 BASE + 08 ID The content of ID can be ‘5A‘or ‘A5’. If you write any value to BASE + 08 and the ID value toggle (Change form 5A to A5 or A5 to 5A), then it means there is a PCA3810A exist.

docDoc 3810areg

Practical Docs > Common > Other > Preview
1 Pages 0 Downloads 8 Views 3.0 Score
Tips: If the document is garbled or fails to read, please download the document
3810areg Page 1
Uploaded by admin on 2022-04-30 01:31:34
Rate
You can enter 255 characters
What is my domain?( answer:www.45doc.com )
comments
  • No comments yet