Core Logic Module - Register Summary

32581C

Table 6-28. ISA Legacy I/O Register Summary (Continued)

I/O Port

Type

Name

Reference

 

 

 

 

487h

R/W

DMA Channel 0 High Page Register

Page 300

 

 

 

 

489h

R/W

DMA Channel 6 High Page Register

Page 300

 

 

 

 

48Ah

R/W

DMA Channel 7 High Page Register

Page 300

 

 

 

 

48Bh

R/W

DMA Channel 5 High Page Register

Page 300

 

 

 

 

Programmable Interval Timer Registers (Table 6-45)

 

 

 

 

 

040h

W

PIT Timer 0 Counter

Page 301

 

 

 

 

 

R

PIT Timer 0 Status

Page 301

 

 

 

 

041h

W

PIT Timer 1 Counter (Refresh)

Page 301

 

 

 

 

 

R

PIT Timer 1 Status (Refresh)

Page 301

 

 

 

 

042h

W

PIT Timer 2 Counter (Speaker)

Page 302

 

 

 

 

 

R

PIT Timer 2 Status (Speaker)

Page 302

 

 

 

 

043h

R/W

PIT Mode Control Word Register

Page 302

 

 

 

 

 

 

Read Status Command

 

 

 

 

 

 

 

Counter Latch Command

 

 

 

 

 

Programmable Interrupt Controller Registers (Table 6-46)

 

 

 

 

 

020h / 0A0h

WO

Master / Slave PCI ICW1

Page 303

 

 

 

 

021h / 0A1h

WO

Master / Slave PIC ICW2

Page 303

 

 

 

 

021h / 0A1h

WO

Master / Slave PIC ICW3

Page 303

 

 

 

 

021h / 0A1h

WO

Master / Slave PIC ICW4

Page 303

 

 

 

 

021h / 0A1h

R/W

Master / Slave PIC OCW1

Page 303

 

 

 

 

020h / 0A0h

WO

Master / Slave PIC OCW2

Page 304

 

 

 

 

020h / 0A0h

WO

Master / Slave PIC OCW3

Page 304

 

 

 

 

020h / 0A0h

RO

Master / Slave PIC Interrupt Request and Service Registers for OCW3 Commands

Page 304

 

 

 

 

Keyboard Controller Registers (Table 6-47)

 

 

 

 

 

060h

R/W

External Keyboard Controller Data Register

Page 306

 

 

 

 

061h

R/W

Port B Control Register

Page 306

 

 

 

 

062h

R/W

External Keyboard Controller Mailbox Register

Page 306

 

 

 

 

064h

R/W

External Keyboard Controller Command Register

Page 306

 

 

 

 

066h

R/W

External Keyboard Controller Mailbox Register

Page 306

 

 

 

 

092h

R/W

Port A Control Register

Page 306

 

 

 

 

Real-Time Clock Registers (Table 6-48)

 

 

 

 

 

070h

WO

RTC Address Register

Page 307

 

 

 

 

071h

R/W

RTC Data Register

Page 307

 

 

 

 

072h

WO

RTC Extended Address Register

Page 307

 

 

 

 

073h

R/W

RTC Extended Data Register

Page 307

 

 

 

 

Miscellaneous Registers (Table 6-49)

 

 

 

 

 

0F0h, 0F1h

WO

Coprocessor Error Register

Page 307

 

 

 

 

170h-177h/

R/W

Secondary IDE Registers

Page 307

376h-377h

 

 

 

 

 

 

 

1F0-1F7h/

R/W

Primary IDE Registers

Page 307

3F6h-3F7h

 

 

 

 

 

 

 

4D0h

R/W

Interrupt Edge/Level Select Register 1

Page 307

 

 

 

 

4D1h

R/W

Interrupt Edge/Level Select Register 2

Page 308

 

 

 

 

AMD Geode™ SC3200 Processor Data Book

187

Page 187
Image 187
AMD SC3200 Port Type Name Reference, Programmable Interval Timer Registers Table, Keyboard Controller Registers Table