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参数资料
| 型号： | IP82C237 |
| 厂商： | HARRIS SEMICONDUCTOR |
| 元件分类： | DMA控制器 |
| 英文描述： | CMOS High Performance Programmable DMA Controller |
| 中文描述： | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, PDIP40 |
| 文件页数： | 14/25页 |
| 文件大小： | 158K |
| 代理商： | IP82C237 |
4-161
82C237
CHANNEL
REGISTER
OPERATION
SIGNALS
FIRST/LAST
FLIP-FLOP
STATE
DATA
BUS
DB0-DB7
CS
IOR
IOW
A3
A2
A1
A0
0
Base and Current Address
Write
0
1
0
0
0
0
0
0
A0-A7
0
1
0
0
0
0
0
1
A8-A15
Current Address
Read
0
0
1
0
0
0
0
0
A0-A7
0
0
1
0
0
0
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
0
0
1
0
W0-W7
0
1
0
0
0
0
1
1
W8-W15
Current Word Count
Read
0
0
1
0
0
0
1
0
W0-W7
0
0
1
0
0
0
1
1
W8-W15
1
Base and Current Address
Write
0
1
0
0
0
1
0
0
A0-A7
0
1
0
0
0
1
0
1
A8-A15
Current Address
Read
0
0
1
0
0
1
0
0
A0-A7
0
0
1
0
0
1
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
0
1
1
0
W0-W7
0
1
0
0
0
1
1
1
W8-W15
Current Word Count
Read
0
0
1
0
0
1
1
0
W0-W7
0
0
1
0
0
1
1
1
W8-W15
2
Base and Current Address
Write
0
1
0
0
1
0
0
0
A0-A7
0
1
0
0
1
0
0
1
A8-A15
Current Address
Read
0
0
1
0
1
0
0
0
A0-A7
0
0
1
0
1
0
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
1
0
1
0
W0-W7
0
1
0
0
1
0
1
1
W8-W15
Current Word Count
Read
0
0
1
0
1
0
1
0
W0-W7
0
0
1
0
1
0
1
1
W8-W15
3
Base and Current Address
Write
0
1
0
0
1
1
0
0
A0-A7
0
1
0
0
1
1
0
1
A8-A15
Current Address
Read
0
0
1
0
1
1
0
0
A0-A7
0
0
1
0
1
1
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
1
1
1
0
W0-W7
0
1
0
0
1
1
1
1
W8-W15
Current Word Count
Read
0
0
1
0
1
1
1
0
W0-W7
0
0
1
0
1
1
1
1
W8-W15
FIGURE 6. WORD COUNT AND ADDRESS REGISTER COMMAND CODES
相关PDF资料 |
PDF描述 |
|---|---|
| IP82C237-12 | CMOS High Performance Programmable DMA Controller |
| IP82C54-10Z | CMOS Programmable Intervel Timer |
| IP82C54Z | CMOS Programmable Intervel Timer |
| IP82C54-12 | CMOS Programmable Interval Timer |
| IP82C54 | CMOS Programmable Interval Timer |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IP82C237-12 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:CMOS High Performance Programmable DMA Controller |
| IP82C37A | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| IP82C37A/+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DMA Controller |
| IP82C37A-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IP82C37A-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
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