W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 47
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W83627EHG
Manufacturer Part Number
W83627EHG
Description
IC I/O CONTROLLER 128-QFP
Manufacturer
Nuvoton Technology Corporation of America
Specifications of W83627EHG
Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V
Package / Case
128-XFQFN
Mounting Type
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Part Number
Manufacturer
Quantity
Price
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Quantity:
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Company:
Part Number:
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Company:
Part Number:
W83627EHG-UB5885009AH-H VERSION
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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7.2.2.1.
(a) Serial bus write to internal address register followed by the data byte
(b) Serial bus read from a register
7.3
The maximum input voltage of the analog pin is 2.048V because the 8-bit ADC has a 8mV LSB. Really,
the application of the PC monitoring would most often be connected to power suppliers. The CPU
Vcore voltage, VBAT(pin 74), 3VSB(pin 61), 3VCC(pin 12) , AVCC(pin 114) voltage can directly
connected to these analog inputs. The +12V voltage inputs should be reduced a factor with external
resistors so as to obtain the input range. As Figure 7.2 shows.
SCL
SDA
SCL
SDA
Analog Inputs
Start By
Master
Repeat
start
by
Master
Serial bus (I
Start By
Master
0
0
0
0
1
0
0
1
Serial Bus Address Byte
Serial Bus Address Byte
0
1
0
SCL
SDA (Continued)
2
Frame 1
Serial Bus Address Byte
C) access timing
Frame 3
1
(Continued)
0
1
Frame 1
1
1
1
0
1
0
1
0
1
R/W
7
0
D7
1
R/W
0
7
627EHF
Ack
627EHF
by
0
Ack
8
D6
7
R/W
by
W83627EHF/EF, W83627EHG/EG
8
627EHF
Ack
by
- 36 -
0
D7
D5
8
0
D7
D6
D4
0
D7
D6
Internal Index Register Byte
Data Byte
Frame 4
D5
D3
Data Byte
D6
Frame 3
D5
Internal Index Register Byte
Frame 2
D4
D2
D5
D4
Frame 2
D3
D1
D4
D3
D2
D0
D3
7
D2
Ack
784R
627EHF
by
D1
8
Ack
D2
by
D1
7
D0
Master
D1
Stop
by
7
D0
627EHF
8
Ack
7
D0
Ack
Master
by
by
8
627EHF
Ack
8
Stop by
Master
by
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