cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 341

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

Revision 0.8
PIC Register Descriptions
5.9.2.3
I/O Port
Type
Reset Value
5.9.2.4
I/O Port
Type
Reset Value
5.9.2.5
I/O Port
Type
Reset Value
Master
Slave
Bit
7:3
2:0
Bit
7:0
7:0
7
7
7
Initialization Command Word 2 (PIC_ICW2)
Initialization Command Word 3 (PIC_ICW3)
Initialization Command Word 4 (PIC_ICW4)
Name
A[7:3]
RSVD
Name
CASCADE_IRQ
SLAVE_ID
Master: 021h
Slave:
Master: 021h
Slave:
Master: 021h
Slave:
RSVD
6
6
6
0A1h
WO
00h
0A1h
WO
00h
0A1h
WO
00h
Description
Address Lines [7:3]. For base vector of interrupt controller.
Reserved. Write to 0.
Description
Cascade IRQ. Must be written to 04h.
Slave ID. Must be written to 02h.
A[7:3]
5
5
5
(Continued)
Master = CASCADE_IRQ; Slave = SLAVE_ID
PIC_ICW2 Bit Descriptions
PIC_ICW3 Bit Descriptions
PIC_ICW2 Register Map
PIC_ICW3 Register Map
PIC_ICW4 Register Map
SPEC_NST
4
4
4
341
3
3
3
RSVD
2
2
2
AUTO_EOI
RSVD
1
1
1
www.national.com
RSVD
0
0
0