VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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Page 29/128:

General Purpose Outputs

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Signal Name
GPO0 (H) / SLOWCLK
GPO1 (H) / SUSA# / APICACK#
GPO2 (H) / SUSB# / APICCS#
GPO3 / SUSST1# (H)
GPO4 / CPUSTP# (L)
GPO5 / PCISTP# (L)
GPO6
GPO7 / SLP# (OD)
GPO8 / GPI8 / GPIOA / GPOWE#
GPO9 / GPI9 / GPIOB / FAN2
GPO10 / GPI10 / GPIOC/CHAS/IRQ0
GPO11 / GPI11 / GPIOD / MCCS#
GPO12 / XDIR (H) / PCS0#
GPO13 / SOE# (L) / MCCS#
GPO14 / IRTX (L)
GPO15 / IRRX (L)
GPO16 / DACK0#
GPO17 / DACK1#
GPO18 / DACK3#
GPO19 / DACK5#
/ SERIRQ / MC97IRQ
GPO20 / DACK6#
GPO21 /DACK7#/THRM#/USBIRQB
GPO22 / JAY
GPO23 / JAX
GPO24 / DRQ2 (H)
/ FDCDRQ
/ USBOC1# / SERIRQ
GPO25 / DACK2# (H)
/ FDCIRQ
/ USBOC0#
GPO[23-16] (latched from SD[7-0])
GPOWE# / GPIOA / GPI8 / GPO8
Default pin functions are underlined in table above (with default level following in parentheses)
See also Function 0 Rx77[7-6]
Signal Name
GPIOA / GPI8 / GPO8 / GPOWE#
GPIOB / GPI9 / GPO9 / FAN2
/ DTEST
GPIOC / GPI10 / GPO10 / CHAS
/ IRQ0 / ATEST
GPIOD / GPI11 / GPO11 / MCCS#
Revision 1.71 June 9, 2000

General Purpose Outputs

Pin #
I/O Signal Description
T8
O
General Purpose Output 0 (Function 4 Rx54[1-0] = 00). Output value
determined by PMU I/O Rx4C[0]
V9
O
General Purpose Output 1 (Rx74[7] = 0 and Function 4 Rx54[2] = 1)
W9
O
General Purpose Output 2 (Rx74[7] = 0 and Function 4 Rx54[3] = 1)
V10
O
General Purpose Output 3 (Function 4 Rx54[4] = 1)
Y12
O
General Purpose Output 4 (Rx75[4] = 1)
V12
O
General Purpose Output 5 (Rx75[5] = 1)
O
General Purpose Output 6 (Rx75[6] = 1)
T7
O
General Purpose Output 7 (Rx75[7] = 1)
T14
O
General Purpose Output 8 (Rx74[2] = 1 and Rx76[0] = 0)
U12
O
General Purpose Output 9 (Rx74[3] = 1)
V14
O
General Purpose Output 10 (Rx74[4] = 1 and Rx76[2] = 0)
U8
O
General Purpose Output 11 (Rx74[5] = 1 and Rx76[3] = 0)
T5
O
General Purpose Output 12 (Rx76[1] = 1 and Rx76[4] = 0)
U5
O
General Purpose Output 13 (Rx77[0] = 1) see also Rx76[4-3]
E12
O
General Purpose Output 14 (Rx76[5] = 1)
D12
O
General Purpose Output 15 (Rx76[5] = 1)
L2
O
General Purpose Output 16 (Rx77[7] = 1 and Rx77[3] = 0)
E1
O
General Purpose Output 17 (Rx77[7] = 1 and Rx77[3] = 0)
D2
O
General Purpose Output 18 (Rx77[7] = 1 and Rx77[3] = 0)
L4
O
General Purpose Output 19 (Rx77[7] = 1, Rx77[3] = 0 and Rx74[6] = 0)
M3
O
General Purpose Output 20 (Rx77[7] = 1 and Rx77[3] = 0)
N2
O
General Purpose Output 21 (Rx77[7] = 1, Rx77[3] = 0, F4Rx57[0] = 0)
Y15
O
General Purpose Output 22 (Rx77[6] = 1, game disabled)
V15
O
General Purpose Output 23 (Rx77[6] = 1, game disabled)
H3
O
General Purpose Output 24 (Rx75[3] = 1 & Rx75[1]=1 & Rx68[3]=0)
G5
O
General Purpose Output 25 (Rx75[3] = 1 & Rx75[2]=1 & Rx68[3]=0)
n/a
O
General Purpose Output 23-16 (Rx74[7]=0) latched by GPOWE# rising
T14
O
General Purpose Output Write Enable (Rx74[2] = 1 and Rx76[0] = 1).
General Purpose I/Os
Pin #
I/O Signal Description
T14
IO
General Purpose I/O A / 8 (Rx76[0] = 0). GPOWE# if Rx76[0] = 1. See
also Rx74[2]
U12
IO
General Purpose I/O B / 9. See also Rx74[3]
V14
IO
General Purpose I/O C / 10. (Rx76[2] = 0). See also Rx74[4]
U8
IO
General Purpose I/O D / 11. (Rx76[3] = 0). See also Rx74[5]
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VT82C686B
Pinouts