A83C452 查看數據表（PDF） - Intel

零件编号

产品描述 (功能)

生产厂家

A83C452

UPI-452 CHMOS PROGRAMMABLE I/O PROCESSOR

Intel 

UPI-452

Figure 6 Output FIFO Channel Functional Block Diagram

231428 – 10

Table 2 Output FIFO Channel Registers

Register Name

Description

1)

Output Buffer Latch

Host CPU Read only

2)

FIFO OUT SFR

Internal CPU Read and Write

3)

COMMAND OUT SFR

Internal CPU Read and Write

4)

Output FIFO Read Pointer SFR

Internal CPU Read only

5)

Output FIFO Write Pointer SFR

Internal CPU Read only

6)

Output FIFO Threshold SFR

Internal CPU Read only

See ‘‘FIFO-EXTERNAL HOST INTERFACE FIFO DMA FREEZE MODE’’ section for FIFO DMA Freeze Mode register characteristics description

15

Share Link: