DMP Electronics eBOX-3350MX-AP Uživatelský manuál stáhnout pdf (Strana 8)

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

M6117D : System on a chip

DM&P

Jan Yin Chan Electronics Co,. LTD. M6117D 386SX Single Chip PC Page 7

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

Pin Description Table - M6117D (continued)

Pin name Type Pin no. Description

X-bus Interface :

ROMKBCSJ I/O 119

KB or ROM chip select. Must be pulled low for normal operation.

XD[7-0] I/O 128-131,

133-136

X-bus data. External bus data lines, for keyboard, BIOS ROM, RTC.

External CMOS RAM interface:

AS O 109

RTC Address strobe. This signal is used to demultiplex the address/data

bus of the RTC

RTCWJ O 114 External real time clock write strobe, active low signal.

RTCRJ O 115 External real time clock read strobe, active low signal.

IRQ8J I 116

Interrupt request. This signal is from external RTC

VBAT I 110

Internal RTC battery. This must be connected to RTC battery supply when

internal RTC is enabled.

XTAL1,XTAL2 I 111, 112 These pins are connected to the 32.768K crystal when internal RTC is used.

Keyboard interface:

KBCLK I/O 122 Keyboard interface CLK.

KBDATA I/O 123 Keyboard interface DATA.

IRQ1/KBINH I/O 124

KB inhibit input (when enable internal keyboard)/ IRQ1 input (when enable

external keyboard).

Mouse interface:

MSCLK / NC I/O 34

Mouse interface CLK . / (In M6117B, this is not connected).

MSDATA/

IRQ12

I/O 155

Mouse interface DATA / IRQ12 input .

Miscellaneous :

TESTJ I 2

Test. This signal is used for ASIC testing, and must be pulled high during

normal operation.

General purpose chip select:

GPCS1J O 30

Programmable chip select 1 channel. This drives the general purposechip

select output by program the dedicated I/O or Memory area.

GPCS0J O 51

Programmable chip select 0 channel. This drives the general purposechip

select output by program the dedicated I/O or Memory area.

Power pins :

VCC 1, 15, 38, 46, 53, 59,

76, 85, 105, 125, 137,

150, 157, 182, 197

VCC. 5.0V supply.

VSS 8, 31, 40, 52, 65, 81,

94, 104, 118, 121, 132,

156, 161, 169, 188,

208

VSS. Ground.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 111 112

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