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VT8231 Datasheet(PDF) 31 Page - List of Unclassifed Manufacturers

Part # VT8231
Description  SOUTH BRIDGE PC99 COMPLIANT
PDF  132 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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VT8231 Datasheet(HTML) 31 Page - List of Unclassifed Manufacturers

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VT8231
Preliminary Revision 0.8 October 29, 1999
-25-
Pinouts
7HFKQRORJLHV ,QF
:H &RQQHFW
:H &RQQHFW
General Purpose I/Os
Signal Name
Pin #
I/O
Signal Description
GPIOA / GPI24 / GPO24
V2
IO / I / O
General Purpose I/O A / 24 (Rx76[0] = 0). GPOWE# if Rx76[0]
= 1. See also Rx74[2]
GPIOB
General Purpose I/O B
GPIOC / GPI25 / GPO25 / ATEST
J2
IO / I / O / O
General Purpose I/O C / 25. (Rx76[2] = 0). See also Rx74[4]
GPIOD / GPI30 / GPO30 / DTEST
/ SCIOUT#
Y1
IO / I / O / O
O
General Purpose I/O D / 30. (Rx76[3] = 0). See also Rx74[5]
GPIOE / GPI31 / GPO31
W3
IO
General Purpose I/O E / 31.
Hardware Monitoring
Signal Name
Pin #
I/O
Signal Description
UIC1
M1
Analog I
Universal Input Channel. For temperature / voltage monitoring.
UIC2
M3
Analog I
Universal Input Channel. For temperature / voltage monitoring.
UIC3
M2
Analog I
Universal Input Channel. For temperature / voltage monitoring.
UIC4
L4
Analog I
Universal Input Channel. For temperature / voltage monitoring.
UIC5
L1
Analog I
Universal Input Channel. For temperature / voltage monitoring.
DTD+
L2
Analog I
CPU DTD (Thermal Diode) Channel Plus.
DTD-
L3
Analog I
CPU DTD (Thermal Diode)Channel Minus.
VREF
K1
P
Voltage Reference for Thermal Sensing (5V
±5%)
FAN1
K2
I
Fan Speed Monitor 1. (3.3V only)
FAN2 / SLPBTN# / GPI18 / GPO18
K3
I / I / I / O
Fan Speed Monitor 2. (3.3V only)
DTEST / GPIOD (30) / SCIOUT#
Y1
O
Hardware Monitor Digital Test Out
ATEST / GPIOC (25)
J2
O
Hardware Monitor Analog Test Out



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