ViewSonic VX2235wm-3 - 8.4. MCU

ViewSonic Corporation Confidential - Do Not Copy VX2235wm-3
41
8.4. MCU
2
3
1
C
E
B
Closed to MCU
3.3V
add net"DVI_DET" 0616
r170.r179~modify value 330R for 5mA 0627
add R189 res pull high 0630
hunk 06'0704
P6.1 change to P6.2
MCU pindefine change
P3.4 change to P6.0
P3.5 change to P6.1
1
25
P3
雙向
P5 單向
13 24
37
P6
單向
MTV512M-LQFP48
48
X1,X2
36
P1
雙向
12
ADD pull high
hunk 06'0704
ADD NET
HDCP_SCL
HDCP_SDA
HDCP EEPROM
HDCP
EEPROM
R192 , R193
ADD
R190 , R191, C155 , I107
MUTE_S pin change to mcu p3.3
MUTE pin change to mcu p5.0
hunk 06'0706
RX
TX
POWER
UP
IICSCL
IICSDA
GREEN
ORANGE
RESET
RESET
ORANGE
HDCP_SDA
DOWN
LED_GREEN
LED_ORANG
POWER
MENU
UP
DOWN
LED_GREEN
LED_ORANG
SELECT
GREEN
HDCP_SCL
MENU
SELECT
MUTE
MUTE
SDA_D12,3
SCL_D12,3
SCL_D22,3
SDA_D22,3
XO_24M 3
on_BACKLIGHT1
VOLUME5
adj_BACKLIGHT1
RTD_SCSB 3
RTD_SCLK 3
RTD_SD2 3
RTD_SD1 3
RTD_SD0 3
VDD_CTRL 1
DVI_HDCP 2
PC5V2
DVI5V2
3.3DVCC1,3,5
RESET_MCU3
VGA_DET0 2
VS 2
DVI_DET 2
DGND 1,2,3,5
MUTE_S5
+5V
+5V
3.3DVCC
3.3DVCC
+5V
DGNDDGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
VCC_MCU
VCC_MCU
VCC_MCU
R176 100
R166
2.2K
C149
100nF
D1261N4148
A K
C140
100uF_16V
R165
2.2K
R180 10K
R182
4.7K
C148
100nF
RP01
10K_RP
1 8 2 7 3 6 4 5
I105
*24LC16
8
5
6
4
7
3
2
1
VCC
SDA
SCL
GND
WP
A2
A1
A0
R193
10K
+ C142
10uF/16V
C141
100nF
R192
10K
C153
100nF
X101
24MHz
1 2
3
C147
100nF
R161 22
R160 22
R179
820
MCU
I106
MTV512/RTD2120
44
45
46
47
48
1
2
3
4
8
15 16 17
41 40 39 38 37 36 35 34 33
32
28
29
20
21
22
23
24
25
26
27
5
9
10
11
12
13
14
6
P5.0/DA0
P5.1/DA1
P5.2/DA2
P5.3/DA3
P5.4/DA4
P5.5/DA5
HSCL2/P5.6
HSDA2/P5.7
RST
HDA1/TX/P3.1
XTAL2 XTAL1 VSS
VCC
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7
NC
VSYNC
NC
P6.0/AD0
P6.1/AD1
P6.2/AD2
P6.3/AD3
P6.4
P6.5
P6.6/CLK0
P6.7
HCL1/RX/P3.0
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P7.6/CLKO
P7.7
NC
R153 100
Q106
2N3906
B
EC
D1251N4148
A K
R159
10K
RP04
10K_RP
1 8 2 7 3 6 4 5
P105
1
2
3
4
5
6
7
8
9
10
R154 100
C155
NC/100nF
R170
820
R190 NC/100
I107
NC/AT24C04N-10SC
1
2
3
45
6
7
8
A0
A1
A2
GNDSDA
SCL
WP
VCC
Q108
2N3906
B
E C
R191 NC/100
C143
100nF
C145
10pF
C150
100nF
Q107
2N3906
B
E C
R157
10K
R183
4.7K
R171
10K
R187
100
C146
100nF
C151
100nF
Q105
2N3906
B
EC
C144
10pF
D1241N4148
A K
R175 100
R181
4.7K
R162 0
R174 100
RP05
10K_RP
1 8 2 7 3 6 4 5
R156
2.2K
C152
100nF
R155
2.2K
R173 100
D127
1N4148
AK
R167
1K
R184
4.7K
R169
10K
RP02
10K_RP
1 8 2 7 3 6 4 5
R158
10K
R172
100
R163 22
R168 6.8K
R177 100
D128
1N4148
A K
R164 22
R178 100
RP03
10K_RP
1 8 2 7 3 6 4 5
R189
10K
RTD_SD3/SDI 3