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參數資料
| 型號： | MSM80C88A-10GS-K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 10 MHz, MICROPROCESSOR, PQFP56 |
| 封裝： | 15 X 19 MM, 1 MM PITCH, PLASTIC, QFP-56 |
| 文件頁數： | 9/37頁 |
| 文件大?。?/td> | 267K |
| 代理商： | MSM80C88A-10GS-K |
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Semiconductor
MSM80C88A-10RS/GS/JS
RQ/GT0
RQ/GT1
REQUEST/GRANT:Input/Output
These lines are used for Bus Request from other devices and Bus GRANT to other devices.
These lines are bidirectional and active low.
LOCK
LOCK:Output
This line is active low.
When this line is low, other devices cannot gain control of the bus.
This line is high impedance hold acknowledge.
QS0/QS1
QUEUE STATUS: Output
These are Queue Status Lines that indicate internal instruction queue status.
0
1 (HIGH)
1
First Byte of Op Code from Queue
0 (LOW)
No operation
QS1
1
0
1
0
QS0
Characteristics
Empty the Queue
Subsequent Byte from Queue
The following pin function descriptions are minimum mode only. Other pin functions are
already described.
IO/M
STATUS: Output
This line selects memory address space or I/O address space.
When this line is low, the CPU selects memory address space and when it is high, the CPU
selects I/O address space.
This line is high impedance during hold acknowledge.
WR
WRITE: Output
This line indicates that the CPU is in a memory or I/O write cycle.
This line is a write strobe signal when the CPU writes data to memory or an I/O device.
This line is active low. This line is high impedance during hold acknowledge.
INTA
INTERRUPT ACKNOWLEDGE: Output
This line is a read strobe signal for the interrupt acknowledge cycle.
This line is active low.
相關PDF資料 |
PDF描述 |
|---|---|
| MSM81C55-5GS-2K | 22 I/O, PIA-GENERAL PURPOSE, PQFP44 |
| MSM82C51A-2GS-VK | 1 CHANNEL(S), 64K bps, SERIAL COMM CONTROLLER, PDSO32 |
| MSM82C51A-2JS | 1 CHANNEL(S), 64K bps, SERIAL COMM CONTROLLER, PQCC28 |
| MSM82C51A-2GS-K | 1 CHANNEL(S), 64K bps, SERIAL COMM CONTROLLER, PDSO32 |
| MSM82C53-2GS-K | 3 TIMER(S), PROGRAMMABLE TIMER, PDSO32 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MSM80C88A-10JS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:8-Bit CMOS MICROPROCESSOR |
| MSM80C88A-10RS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:8-Bit CMOS MICROPROCESSOR |
| MSM80C88A2JS | 制造商:OKI 功能描述:* |
| MSM8128 | 制造商:MOSAIC 制造商全稱:MOSAIC 功能描述:128K x 8 SRAM |
| MSM8128V-10 | 制造商:MOSAIC 制造商全稱:MOSAIC 功能描述:128K x 8 SRAM |
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