SOM304RD-PI Development Kit
Vortex
86DX
SOM 304-Pin CPU Module
26
I/O Mapping
I/O Address
Owner
Usage
0000h - 000Fh
DMA 8237-1
*
0010h - 0017h
COM 9
0020h - 0021h
PIC 8259-1
*
0022h - 0023h
Indirect Access Registers (6117D configuration
port)
*
002Eh - 002Fh
Forward to LPC BUS
0040h - 0043h
Timer Counter 8254
*
0048h - 004Bh
PWM counter 8254
*
004Eh - 004Fh
Forward to LPC BUS
0060h
Keyboard / Mouse data port
*
0061h
Port B + NMI control port
*
0062h - 0063h
8051 download 4k address counter
*
0064h
Keyboard/ Mouse status/ command port
*
0065h
WatchDog0 reload counter
*
0066h
8051 download 8bit data port
*
0067h
WatchDog1 reload counter
*
0068h - 006Dh
WatchDog1 control counter
*
0070h - 0071h
CMOS RAM port
*
0072h - 0075h
MTBF control register
*
0078h - 007Ch
GPIO port 0,1,2,3,4 default setup
*
0080h - 008Fh
DMA page register
*
0092h
System control register
*
0098h - 009Ch
GPIO direction control
*
Содержание SOM304RD-P
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