W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 48

• 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

7.3.1
The +12V input voltage can be expressed as following equation.
The value of R1 and R2 can be selected to 56K Ohms and 10K Ohms, respectively, when the input
voltage V
range of the 8-bit ADC.
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
range of the 8-bit ADC.
Monitor over 2.048V voltage
1
0
Positive Voltage Input
is -12V. The node voltage of VIN1 can be subject to less than 2.048V for the maximum input
Negative Voltage Input
is 12V. The node voltage of VIN0 can be subject to less than 2.048V for the maximum input
VIN
10K@25 C, beta=3435K
1
V0
V1
=
R
(
THM
V
1
CPUVCORE
VIN2
VIN3
VIN4
−
R1
. 2
CPUD+
CPUD-
048
VIN
10K, 1%
R
)
Power Inputs
15K, 1%
×
R
0
R2
Figure 7.2
R
W83627EHF/EF, W83627EHG/EG
=
CAP,2200p
3
V
R
+
R3
-37-
4
0
R
×
4
R
+
1
R
. 2
AUXTIN
CPUTIN
SYSTIN
+
VREF
2
AVCC
VBAT
VSB
3VCC
048
R
2
,
AGND
whereV
VIN0
VIN1
Pin 102
Pin 103
Pin 104
Publication Release Date: April 7, 2009
Pin 117
R4
1
Pin 114
Pin 74
Pin 61
Pin 12
Pin 64
Pin 99
Pin 97
Pin 96
Pin 95
=
Pin 98
Pin 101
−
12
8-bit ADC
8mV LSB
with
Version 1.94