AAEON PFM-535S User Manual

Page 47

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P C / 1 0 4 C P U M o d u l e

P F M - 5 3 5 S

Appendix B I/O Information B-2

B.1 I/O Address Map

Address Description

0000h - 000Fh

DMA 8237-1

0018h - 001Fh

Empty

0020h - 0021h

PIC 8259-1

0024h - 002Dh

Empty

002Eh - 002Fh

Forward to LPC BUS

0030h - 003Fh

Empty

0040h - 0043h

Timer counter 8254

0061h

Port B + NMI control port

0062h - 0063h

8051 download 4K address counter

0064h

Keyboard status port

0065h

WatchDog0 reload counter

0066h

8051 download 8bit data port

0067h

WatchDog1 reload counter

0068h - 006Dh

WatchDog1 control register

006Eh - 006Fh

Empty

0070h - 0071h

CMOS RAM port

0072h - 0075h

MTBF counter

0076h - 0077h

Empty

0078h - 007Ch

GPIO port 0,1,2,3,4 default setup

007Dh - 007Fh

Empty

0080h - 008Fh

DMA page register

0090h - 0091h

Empty

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