w83627ehf Winbond Electronics Corp America, w83627ehf Datasheet - Page 33

• Manufacturer Part Number: w83627ehf
• Description: W83627ehf/ef W83627ehg/eg Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

The -12V input voltage can be expressed as following equation.
The value of R3 and R4 can be selected to 232K Ohms and 10K Ohms, respectively, when the input
voltage V
input range of the 8-bit ADC.
Both of pin 12 and pin 114 are connected to the power supply VCC with +3.3V. There are two
functions in these 2 pins with 3.3V. The first function is to supply internal (digital/analog) power in the
W83627EHF/EHG and the second function is that this voltage with 3.3V is connected to internal serial
resistors to monitor the +3.3V voltage. The W83627EHF/EHG internal two serial resistors are 34 K:
and 34 K: so that input voltage to ADC is 1.65V which is less than 2.048V of ADC maximum input
voltage. The express equation can represent as follows.
The Pin 61 is connected to 3.3 VSB voltage. W83627EHF/EHG monitors this voltage and the internal
two serial resistors are 34 K: and 34 K: so that input voltage to ADC is 1.65V which less than
2.048V of ADC maximum input voltage.
6.3.2
voltage register multiplies 8mV. The formula is as the following:
6.3.3
The temperature data format is 8-bit two's-complement for sensor SYSTIN and 9-bit two's-
complement for sensor CPUTIN and AUXTIN. The 8-bit temperature data can be obtained by reading
the CR[27h]. The 9-bit temperature data can be obtained by reading the 8 MSBs from the
Bank1/Bank2 CR[50h] and the LSB from the Bank1/Bank2 CR[51h] bit 7. The format of the
temperature data is show in Table 6.1.
The LSB of this mode is 8mV. This means that the detected voltage equals to the reading of this
TEMPERATURE
+125°C
+25°C
+1°C
+0.5°C
+0°C
W83627EHF/EHG provides one detection methods for CPUVCORE(pin 100).
Detected Voltage =
CPUVCORE voltage detection method
Temperature Measurement Machine
1
is -12V. The node voltage of VIN1 can be subject to less than 2.048V for the maximum
V
in
VIN
VCC
1
8-BIT BINARY
Reading
0111,1101
0001,1001
0000,0001
-
0000,0000
u
(
8-BIT DIGITAL OUTPUT
V
34
1

K
34
:
. 2
048

. 0
K
:
34
008
W83627EHF/EF, W83627EHG/EG
)
u
K
:
V
R
8-BIT HEX
3
7Dh
19h
01h
-
00h
R
#

4
-27-
. 1
R
65
4

V
. 2
, where VCC is set to 3.3V.
048
Publication Release Date: January 18, 2006
,
whereV
9-BIT BINARY
0,1111,1010
0,0011,0010
0,0000,0010
0,0000,0001
0,0000,0000
9-BIT DIGITAL OUTPUT
1

12
0FAh
032h
002h
000h
001h
9-BIT HEX
Revision 1.0