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參數(shù)資料
型號(hào): W83781D
廠(chǎng)商: WINBOND ELECTRONICS CORP
元件分類(lèi): 模擬信號(hào)調(diào)理
英文描述: MONITORING IC
中文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封裝: LQFP-48
文件頁(yè)數(shù): 11/53頁(yè)
文件大小: 725K
代理商: W83781D
W83781D
PRELIMINARY
- 6 -
Publication Release Date : Nov. 1997
Revision 0.60
6. Pin Description , continued
Pin Name
Pin
No.
24
Type
Description
VID2
IN
t
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
Beep function or General purpose output (active low). This pin is
open drain driving 48 mA.
This multifunctional pin is programmable selected by CR4D bit 6.
VID3
25
IN
t
BEEP/GPO#
26
OD
48
GNDA
27
AGROUND
Internally connected to all analog circuitry. The ground reference
for all analog inputs.
Ground-referred inverting op amp input.
Output of inverting op amp for Input 6.
Output of inverting op amp for Input 5.
Ground-referred inverting op amp input.
0V to 4.096V FSR Analog Inputs.
This pin is Analog Vcc and connects internal monitor channel IN3
with fixed scale.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
Reference Voltage.
Thermistor 3 terminal input.
Thermistor 2 terminal input.
Thermistor 1 terminal input.
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
Over temperature Shutdown Output.
Interrupt Request.
System Management Interrupt (open drain). This output is enabled
when Bit 1 in the Configuration Register (CR40) is set to 1. The
default state is disabled.
The three lowest order bits of the 16-bit ISA Address Bus. A0
corresponds to the lowest order bit.
Chip Select input from an external decoder which decodes high
order address bits on the ISA Address Bus. This is an active low
input.
-5VIN
-5VOUT
-12VOUT
-12VIN
+12VIN
+5VIN
28
29
30
31
32
33
AIN
AOUT
AOUT
AIN
AIN
AIN
+3.3VIN
VCOREB
VCOREA
VREF
VTIN3
VTIN2
VTIN1
VID0
34
35
36
37
38
39
40
41
AIN
AIN
AIN
AOUT
AIN
AIN
AIN
IN
t
OVT#
IRQ
SMI#
42
43
44
OD
12
OUT
12t
OD
12
A2-A0
45-
47
48
IN
t
CS#
IN
t
# Indicates Active Low("Not")
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