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參數(shù)資料
| 型號： | MSM82C59A-2GS-K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 中斷控制器 |
| 英文描述： | 80C85AH; 80C86A; 80C88A COMPATIBLE, INTERRUPT CONTROLLER, PDSO32 |
| 封裝： | PLASTIC, SSOP-32 |
| 文件頁數(shù)： | 9/29頁 |
| 文件大?。?/td> | 252K |
| 代理商： | MSM82C59A-2GS-K |
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Semiconductor
MSM82C59A-2RS/GS/JS
FEDL82C59A-2-03
(6) Operation Command Words (OCW1 thru OCW3)
When Initialization Command Words (ICWs) are programmed in the MSM82C59A-2, the
interrupt input line is ready to receive interrupt requests. The Operation Command Words
(OCWs) enable the MSM82C59A-2 to be operated in various modes while the device is in
operation.
(i)
Operation Command Word 1 (OCW1)
OCW1 sets and resets the mask bits of the Interrupt Mask Register (IMR). M0 thru M7
represent 8 mask bits. The channel is masked when M = 1, but is enabled when M = 0.
(ii) Operation Command Word 2 (OCW2)
R, SL, EOI: The Priority Rotation and End of Interrupt mode plus combinations of the
two are controlled by combinations of these 3 bits. These combinations are
listed in the operation command word format table.
L2, L1, L0: These bits indicate the specified interrupt level when SL = 1.
(iii) Operation Command Word 3 (OCW3)
ESMM: This enables the Special Mask Mode. The special mask mode can be set and
reset by the SMM bit when ESMM = 1. The SMM bit is ignored when ESMM
= 0.
SMM:
(Special Mask Mode)
The MSM82C59A-2 is set to Special Mask Mode when ESMM = 1 and SMM =
1, and is returned to normal mask mode when ESMM = 1 and SMM = 0. SMM
is ignored when ESMM = 0.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM82C84A-2GS-K | 8 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO24 |
| MSM82C84A-2JS | OTHER CLOCK GENERATOR, PQCC20 |
| MSM83C154-XXJS | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| MSM83C154-1-XXJS | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44 |
| MSM83C154S-XXXJS | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM82C59A-2JS | 制造商:ROHM Semiconductor 功能描述: |
| MSM82C59A-2JSDR1 | 制造商:ROHM Semiconductor 功能描述: |
| MSM82C59A-2JS-DR1 | 制造商:ROHM Semiconductor 功能描述:PROGRAMMABLE INTERRUPT CONTROLLER |
| MSM82C59A-2RS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:PROGRAMMABLE INTERRUPT CONTROLLER |
| MSM82C59A-2RS-7 | 制造商:ROHM Semiconductor 功能描述:PROGRAMMABLE INTERRUPT CONTROLLER |
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