Icop SOM304DX-DEV-VI, User Manual, Page: 29 / 42

SOM304RD-VI Development Kit Vortex 86DX

SOM304-Pin CPU Module
25
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 *