參數(shù)資料
型號： MSM82C59A-2RS
廠商： LAPIS SEMICONDUCTOR CO LTD
元件分類： 中斷控制器
英文描述： 80C85AH; 80C86A; 80C88A COMPATIBLE, INTERRUPT CONTROLLER, PDIP28
封裝： 0.600 INCH, PLASTIC, DIP-28
文件頁數(shù)： 6/30頁
文件大?。?/td> 269K
代理商： MSM82C59A-2RS
13/29
Semiconductor
MSM82C59A-2RS/GS/JS
FEDL82C59A-2-03
(4) Programming the MSM82C59A-2
The MSM82C59A-2 receives two types of command words generated by the CPU.
(i)
Initialization Command Words (ICW1 thru ICW4)
Before commencing normal operations, each MSM82C59A-2 in the system must be
initialized by two to four WR pulse sequence.
ICW1
Initialization Sequence
ICW2
ICW3
In
Cascade
Mode?
Is
ICW4
needed?
Interrupt request
reception preparations
completed
ICW4
No (SNGL = 1)
Yes (SNGL = 0)
Yes (IC4 = 1)
No (IC4 = 0)
Contents of Interrupt Vector Byte in 86 System Mode
D7
D6
D5
D4
D3
D2
D1
D0
IR7
T7
T6
T5
T4
T3
11
1
T7
T6
T5
T4
T3
11
0
T7
T6
T5
T4
T3
10
1
T7
T6
T5
T4
T3
10
0
T7
T6
T5
T4
T3
01
1
T7
T6
T5
T4
T3
01
0
T7
T6
T5
T4
T3
00
1
IR6
IR5
IR4
IR3
IR2
IR1
T7
T6
T5
T4
T3
00
0
IR0
相關(guān)PDF資料
PDF描述
MSM83C154S-XXXTS-K 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP44
MSM83C154S-XXXRS 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40
MSM83C154S-XXXGS-2K 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP44
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSM82C59A-2RS-7 制造商:ROHM Semiconductor 功能描述:PROGRAMMABLE INTERRUPT CONTROLLER
MSM82C84A-2GS 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:CLOCK GENERATOR AND DRIVER
MSM82C84A-2JS 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:CLOCK GENERATOR AND DRIVER
MSM82C84A-2RS 制造商:ROHM Semiconductor 功能描述:CLOCK GENERATOR AND DRIVER 制造商:ROHM Semiconductor 功能描述:Clock generator drive
MSM82C88-2GS 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:BUS CONTROLLER
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