Manuals / MiTAC / Computer Equipment / Laptop

MiTAC 8355 service manual Appendix 2 H8 Pins Definition, Shadowed block is the selected function

Models: 8355

1 208
Download 208 pages 53.54 Kb
Page 59
Image 59

8355 N/B MAINTENANCE

1.7 Appendix 2: H8 Pins Definition

Hitachi H8 3437S to VT8235 pin function definitions for Insyde code

the shadowed block is the selected function

Name

Pin

H8 Pin Definitions

During

After

 

ON

 

 

STANDBY

Function

 

 

 

RESE

RESET/O

 

 

 

 

 

 

 

 

 

T

FF

 

 

 

 

 

 

 

MD0

6

H8_MODE0

I↑

I

H

I

 

H

I

H

H

 

 

 

 

 

 

 

 

 

 

 

H mode3 single chip mode

MD1

5

H8_MODE1

I↑

I

H

I

 

H

I

H

 

 

 

 

 

 

 

 

 

 

 

 

STBY#

8

H8_STBY#

I↑

I

H

I

 

H

I

H

H8 Hardware Standby input pull high

 

 

 

 

 

 

 

 

 

 

 

 

NMI#

7

PWRBTN#

I↑

I

H

I

 

HLH

I

H

Power button

 

 

 

 

 

 

 

 

 

 

 

 

RESET#

1

H8_RESET#

I

I

LH

I

 

H

I

H

H8 chip reset

 

 

 

 

 

 

 

 

 

 

 

 

XTAL

2

Crystal

I

I

 

I

 

 

I

 

Crystal input

 

 

 

 

 

 

 

 

 

 

 

 

EXTAL

3

Crystal

I

I

 

I

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET OUT#

100

RESERVE

O

O

 

O

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port A CMOS input level (input high min=3.5v, input low max=1.0v)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PA0

48

LID#

T↑

I

H

I

 

 

I

H

 

 

 

 

 

 

 

 

 

 

 

 

 

PA1

47

ADEN#

T↑

I

H/L

I

 

 

I

H/L

AC adaptor in detect

 

 

 

 

 

 

 

 

 

 

 

 

PA2

31

CARD_RI#

T↑

I

H

I

 

 

I

H

Ring detect

 

 

 

 

 

 

 

 

 

 

 

 

PA3

30

BATT DEAD#

T↑

I

H

I

 

 

I

H

Battery low low detect

 

 

 

 

 

 

 

 

 

 

 

 

PA4

21

H8 SUSC

T↑

I

H

I

 

 

I

L

System resume from S4 soft off through

 

 

 

 

 

 

 

 

 

 

 

RTC Alarm

PA5

20

H8 SUSC#

T↑

I

L

I

 

 

I

H

System to S4 soft off

 

 

 

 

 

 

 

 

 

 

 

 

PA6

11

BAT_CLK

T↑

I

L

I

 

 

I

H

 

 

 

 

 

 

 

 

 

 

 

 

 

PA7

10

H8_SUSB

T↑

I

H

I

 

L

I

H

Invert from SUSA# to wake up H8 when

 

 

 

 

 

 

 

 

 

 

 

system resumed by MDC modem and

 

 

 

 

 

 

 

 

 

 

 

internal LAN.

 

 

 

 

 

 

 

 

 

 

 

Inform system power management status

58

Page 58 Page 60
Page 59
Image 59
MiTAC 8355 service manual Appendix 2 H8 Pins Definition, Shadowed block is the selected function
Page 58 Page 60