![](http://datasheet.mmic.net.cn/Intersil/CS82C59A-1296_datasheet_96756/CS82C59A-1296_10.png)
10
FN2784.5
March 17, 2006
D7
A0
D6
D5
D4
D3
D2
D1
D0
0
A7
A6
A5
LTIM
1ADI
SNGL
IC4
ICW1
1 = ICW4 needed
0 = No ICW4 needed
1 = Single
0 = Cascade Mode
CALL address interval
1 = Interval of 4
0 = Interval of 8
1 = Level triggered mode
0 = Edge triggered mode
A7 - A5 of Interrupt vector address
(MCS-80/85 mode only)
D7
A0
D6
D5
D4
D3
D2
D1
D0
1
A15
A14
A13
A11
A10
A9
A8
A12
T7
T6
T5
T4
T3
ICW2
A15 - A8 of interrupt vector address
(MCS80/85 mode)
T7 - T3 of interrupt vector address
(8086/8088 mode)
D7
A0
D6
D5
D4
D3
D2
D1
D0
1S7
S6
S5
S3
S2
S1
S0
S4
ICW3 (MASTER DEVICE)
1 = IR input has a slave
0 = IR input does not have a slave
D7
A0
D6
D5
D4
D3
D2
D1
D0
10
0
ID2
ID1
ID0
0
ICW3 (SLAVE DEVICE)
SLAVE ID (NOTE)
01
5
23
4
6
7
01
1
01
0
1
00
0
11
0
1
00
1
00
1
D7
A0
D6
D5
D4
D3
D2
D1
D0
10
0
BUF
M/S
AEOI
PM
SFNM
ICW4
1 = 8086/8088 mode
0 = MCS-80/85 mode
1 = Auto EOI
0 = Normal EOI
0
1
11
0
X
- Non buffered mode
- Buffered mode slave
- Buffered mode master
1 = Special fully nested moded
0 = Not special fully nested mode
FIGURE 7. 82C59A INITIALIZATION COMMAND WORD FORMAT
NOTE: Slave ID is equal to the corresponding master IR input.
82C59A