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参数资料
| 型号： | MSM82C55A-2 |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | CMOS Programmable Peripheral Interface(CMOS 可编程外围接口) |
| 中文描述： | CMOS可编程外围接口（的CMOS可编程外围接口） |
| 文件页数： | 15/26页 |
| 文件大小： | 189K |
| 代理商： | MSM82C55A-2 |
15/26
Semiconductor
MSM82C55A-2RS/GS/VJS
Port C Function Allocation in Mode 1
PC
0
PC
1
PC
2
PC
3
PC
4
PC
5
Combination of
Input/Output
Group A: Input
Group B: Input
Port C
Group A: Input
Group B: Output
Group A: Output
Group B: Input
Group A: Output
Group B: Output
INTR
B
IBF
B
STB
B
INTR
A
STB
A
IBF
A
I/O
I/O
INTR
B
OBF
B
ACK
B
INTR
A
STB
A
IBF
A
I/O
I/O
INTR
B
IBF
B
STB
B
INTR
A
I/O
I/O
ACK
A
OBF
A
INTR
B
OBF
B
ACK
B
INTR
A
I/O
I/O
ACK
A
OBF
A
PC
6
PC
7
Note: I/O is a bit not used as the control signal, but it is available as a port of mode 0.
Examples of the relation between the control words and pins when used in mode 1 are
shown below:
(a) When group A is mode 1 output and group B is mode 1 input.
￥
1
1
1/0
0
1
0
1
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
As all of PC
0
- PC
3
bits
become a control pin
in this case, this bit is
"Don't Care".
Control Word
Selection of I/O
of PC
4
and PC
5
when not defined
as a control pin.
1 = Input
0 = Output
OBF
A
ACK
A
INTR
A
I/O
PC
7
PC
6
PC
3
PC
4
, PC
5
PB
7
- PB
0
PA
7
- PA
0
8
RD
Group A: Mode 1 Output
Group B: Mode 1 Input
STB
B
IBF
B
INTR
B
PC
2
PC
1
PC
0
8
WR
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MSM82C55A-2G3-2K | 制造商:OKI Semiconductor 功能描述:MSM82C55A-2G3-2K CPU I/O EOL211209 |
| MSM82C55A-2GS | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:CMOS PROGRAMMABLE PERIPHERAL INTERFACE |
| MSM82C55A-2GS-2K | 制造商:ROHM Semiconductor 功能描述: 制造商:ROHM Semiconductor 功能描述:CMOS PROGRAMMABLE PERIPHERAL INTERFACE |
| MSM82C55A-2R3 | 制造商:OKI Semiconductor 功能描述:CPU I/O EOL211209 制造商:ROHM Semiconductor 功能描述: |
| MSM82C55A-2RS | 制造商:ROHM Semiconductor 功能描述: 制造商:OKI Semiconductor 功能描述:PERIPHERAL INTERFACE, 40 Pin, Plastic, DIP 制造商:ROHM Semiconductor 功能描述:CMOS PROGRAMMABLE PERIPHERAL INTERFACE |
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