- 您现在的位置：买卖IC网 > PDF目录67992 > MD82C237/B (INTERSIL CORP) 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CDIP40 PDF资料下载
参数资料
| 型号： | MD82C237/B |
| 厂商： | INTERSIL CORP |
| 元件分类： | DMA控制器 |
| 英文描述： | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CDIP40 |
| 封装： | SIDE BRAZED, DIP-40 |
| 文件页数： | 6/25页 |
| 文件大小： | 508K |
| 代理商： | MD82C237/B |
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
0100000
0
A0-A7
0100000
1
A8-A15
Current Address
Read
0
010000
0
A0-A7
0010000
1
A8-A15
Base and Current Word
Count
Write
0
100001
0
W0-W7
0100001
1
W8-W15
Current Word Count
Read
0
010001
0
W0-W7
0010001
1
W8-W15
1
Base and Current Address
Write
0100010
0
A0-A7
0100010
1
A8-A15
Current Address
Read
0
010010
0
A0-A7
0010010
1
A8-A15
Base and Current Word
Count
Write
0
100011
0
W0-W7
0100011
1
W8-W15
Current Word Count
Read
0
010011
0
W0-W7
0010011
1
W8-W15
2
Base and Current Address
Write
0100100
0
A0-A7
0100100
1
A8-A15
Current Address
Read
0
010100
0
A0-A7
0010100
1
A8-A15
Base and Current Word
Count
Write
0
100101
0
W0-W7
0100101
1
W8-W15
Current Word Count
Read
0
010101
0
W0-W7
0010101
1
W8-W15
3
Base and Current Address
Write
0100110
0
A0-A7
0100110
1
A8-A15
Current Address
Read
0
010110
0
A0-A7
0010110
1
A8-A15
Base and Current Word
Count
Write
0
100111
0
W0-W7
0100111
1
W8-W15
Current Word Count
Read
0
010111
0
W0-W7
0010111
1
W8-W15
FIGURE 6. WORD COUNT AND ADDRESS REGISTER COMMAND CODES
相关PDF资料 |
PDF描述 |
|---|---|
| MR82C237-12/B | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, CQCC44 |
| MD82C237-12/B | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, CDIP40 |
| MR82C237/B | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CQCC44 |
| MD82C55A-5/883 | 24 I/O, PIA-GENERAL PURPOSE, CDIP40 |
| MD82C55A/883 | 24 I/O, PIA-GENERAL PURPOSE, CDIP40 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MD82C284-10 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| MD82C284-10/883 | 制造商:Rochester Electronics LLC 功能描述:PERIPH CLK GENERATOR 5V 10MHZ 18CDIP /883 - Bulk |
| MD82C284-10/B | 制造商:Rochester Electronics LLC 功能描述: |
| MD82C284-12/883 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Clock Generator and Ready Interface for 80C286 Processors |
| MD82C284-6 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
发布紧急采购，3分钟左右您将得到回复。