DMP Electronics eBOX-3350MX-AP Manual do Utilizador descarregar pdf (Página 37)

386SX Single Chip PC Jan Yin Chan Electronics Co.,LTD.

DM&P M6117D : System on a chip

Page 36

Jan Yin Chan Electronics Co,. LTD. M6117D 386SX Single Chip PC

8F-1,No.22,Wuchyuan 2RD.,Hsin Chuang city Taipei Hsien, Taiwan, R.O.C. Tel: 886-(02) 2298-0770 Fax: (02) 2299-1883

4.9.4 Generate Independent GPIOs as GPI method

(1) The M6117D will use IOR 46H , 4CH rising edge to latch the independent GPI value.

(2) BIOS can read the GPI value through index 46H and 4CH which store independent GPI value.

4.9.5 GPIOs block diagram

4.10 Watchdog timer

GPIO[15-0]

output control pin

GPIOE[15-0]

Index 4Eh,4Fh

GPIO[15-0]output

Data value

Index 47h,4Dh

GPIO[15-0] input

Data value

Index 46h,4Ch

Internal

Bus

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 111 112

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DMP Electronics eBOX-3350MX-AP Manual do Utilizador Página 37