Table of Contents
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8.4. MSD2232AL_256_IC
System Crystal
XTALI
USB Block
USB_DP
15
USB_DP
USB_DM
15
USB_DM
HDMI Block
HDMI-CLKP
10
HDMI-CLKP
CL=20pF ; C0max=5pF
HDMI-CLKN
10
HDMI-CLKN
HDMI-RX0P
10
HDMI-RX0P
HDMI-RX0N
10
HDMI-RX0N
HDMI-RX1P
10
HDMI-RX1P
HDMI-RX1N
10
HDMI-RX1N
HDMI-RX2P
10
HDMI-RX2P
HDMI-RX2N
R260 4.7K
10
HDMI-RX2N
VCC3.3V-ST
R261 4.7K
HDMI-CEC
10
HDMI-CEC
HPDCTRL
10
HPDCTRL
HDMI-SDA
10
HDMI-SDA
HDMI-SCL
10
HDMI-SCL
RGB Block
VGA_HSYNC1
8
VGA_HSYNC1
VGA_VSYNC1
8
VGA_VSYNC1
Close to IC
RGB1-SOG
R262 392R 1% 0603
8
RGB1-SOG
as close
AVDD_DVI
RGB1_RIN+
8
RGB1_RIN+
as possible
RGB1_GIN+
8
RGB1_GIN+
RGB1_BIN+
8
RGB1_BIN+
with width trace
C283
RGB0-SOG
100nF
VCLP
9
RGB0-SOG
RGB0_Y+
9
RGB0_Y+
RGB0_Y-
9
RGB0_Y-
RGB0_PB+
C284
9
RGB0_PB+
RGB0_PB-
100nF
REFP
9
RGB0_PB-
RGB0_PR+
9
RGB0_PR+
RGB0_PR-
C285
9
RGB0_PR-
Y_CC
C286
NC
9
Y_CC
100nF
REFM
CVBS Block
YIN_0+
9
YIN_0+
CIN_0+
9
CIN_0+
CVBS1_IN
9
CVBS1_IN
VCOM1
9
VCOM1
TV+
4
TV+
TV-
4
TV-
Audio Block
SIF_IN+
4
SIF_IN+
SIF_IN-
4
SIF_IN-
AUL0
9
AUL0
AUR0
9
AUR0
AUL2
12
AUL2
AUR2
12
AUR2
AU_DACO_L
13
AU_DACO_L
AU_DACO_R
13
AU_DACO_R
SAR
TUNER-SAR2
4
TUNER-SAR2
C301
100nF
GPIO
MUTE_S/GPIO1
13
MUTE_S/GPIO1
SHUT_DOWN_AU
13
SHUT_DOWN_AU
PANEL-ON/OFF-GPIO10
2
PANEL-ON/OFF-GPIO10
VBLCTRL-GPIO44
2
VBLCTRL-GPIO44
USB_OCD_N-GPIO14
C304
15
USB_OCD_N-GPIO14
POWER-ON/OFF-PWM2
+
C303
100nF
2,13
POWER-ON/OFF-PWM2
10u/16V
I2C / UART
Close to IC
with width trace
I2C-SCL
3
I2C-SCL
I2C-SDA
L208
3
I2C-SDA
600R/1.5A 0805
UART-TX
8
UART-TX
UART-RX
8
UART-RX
PWM
BRI_ADJ-PWM1
2
BRI_ADJ-PWM1
System Reset
VCC3.3V-ST
VCC3.3V-ST
SYS_RST
R292
10K
C312 10u/16V/NC
V
R302
+
24K/NC
G
R
I210
LM810 2.65V/NC
ViewSonic Corporation
R257
909R 1% 0603
R258
1M
R259
X202
0R
12MHz
XTALO
C260
C261
20pF
20pF
HDMI-CEC
1
GPIO0/CEC
MUTE_S/GPIO1
2
SPI_CZ2/GPIO1
PANEL-ON/OFF-GPIO10
3
SPI_CZ3/GPIO2
HDMI-CLKN
4
RXCN
HDMI-CLKP
5
RXCP
HDMI-RX0N
6
RX0N
HDMI-RX0P
7
RX0P
AVDD_DVI
8
AVDD33_DVI
HDMI-RX1N
9
RX1N
HDMI-RX1P
10
RX1P
11
AVSS_DVI
HDMI-RX2N
12
RX2N
HDMI-RX2P
13
RX2P
HPDCTRL
14
HOTPLUGA
HDMI-REXT
15
REXT
HDMI-SDA
16
DDCDA_DA
HDMI-SCL
17
DDCDA_CK
VGA_HSYNC1
18
HSYNC1
VGA_VSYNC1
19
VSYNC1
VCLP
20
VCLP
REFP
21
REFP
REFM
22
REFM
RGB1_BIN+
23
BIN1P
RGB1-SOG
24
SOGIN1
RGB1_GIN+
25
GIN1P
RGB1_RIN+
26
RIN1P
RGB0_PB-
27
BIN0M
RGB0_PB+
28
I206
BIN0P
RGB0_Y-
29
GIN0M
RGB0_Y+
30
MSD2232AL
GIN0P
RGB0-SOG
31
SOGIN0
RGB0_PR-
32
RIN0M
RGB0_PR+
33
RIN0P
AVDD_ADC
34
AVDD33_ADC2
35
AVSS_ADC2
36
HSYNC0
37
VSYNC0
38
C1(CVBS7P)
39
Y1(CVBS5P)
CIN_0+
40
C0(CVBS6P)
YIN_0+
41
Y0(CVBS4P)
Y_CC
42
CVBS3P
43
CVBS2P
CVBS1_IN
44
CVBS1P
VCOM1
45
VCOM1
TV+
46
CVBS0P
TV-
47
VCOM0
AVDD_ADC
48
AVDD33_ADC
49
CVBS_OUT
50
AVSS_CVBSO
AVDD_SIF
51
AVDD33_SIF
SIF_IN+
52
SIF_IN1P
SIF_IN-
53
SIF_IN1M
VDDC
54
VDDC12
55
GNDC
AUL0
56
LINE_IN_0L
AUR0
57
LINE_IN_0R
58
LINE_IN_1L
59
LINE_IN_1R
AUL2
60
LINE_IN_2L
AUR2
61
LINE_IN_2R
62
LINE_IN_3L
63
LINE_IN_3R
AUCOM
64
VIM0
AUCOM
AUVRM
AUVRP
AUVAG
+
C305
+
C306
1u/50V
10u/16V
DTVRESET
EEPROM
I2C address
at A0.
VCC3.3V-ST
C311
NC
I209 NC
1
8
A0
VCC
2
7
A1
WP
2
3
6
24C32_I2C-SCL
A2
SCL
24C32_I2C-SDA
4
5
GND
SDA
D204
+
C313
BAV99
47u/16V
R303
1K
Q203
I2C address
1
VCC3.3V-ST
VCC3.3V-ST
MMBT3906
at A4
R307
SYS_RST
100R 0603
System-RST
2,10
VCC3.3V-ST
R331
R332
R310
NC
NC
C315
R311
4.7K
I211
10K
24C04
10u/16V
1
8
A0
VCC
2
7
A1
WP
3
6
24C04_I2C-SCL
A2
SCL
R333
4
5
24C04_I2C-SDA
GND
SDA
R334
R335
NC
NC
0
62
N1930w-2M
Confidential - Do Not Copy
2
VCC1.2V-ST
192
DDR-DQS1
DDR_DQS1
AVDD_DDR
VCC3.3V-ST
191
AVDD25_DDR
190
MDATA8
SDR_DQ8
MDATA9
189
SDR_DQ9
188
SDR-DQM1
SDR_DQM1
187
GNDM
2,10
VCC3.3V-ST
186
MDATA10
SDR_DQ10
185
MDATA11
SDR_DQ11
AVDD_DDR
C200
C160
184
AVDD25_DDR
183
MDATA12
R317
NC
100nF
SDR_DQ12
MDATA13
10K
182
SDR_DQ13
181
MDATA14
SDR_DQ14
180
MDATA15
SDR_DQ15
179
OSD-POWER-KEY
INT/GPIO10
178
IR-SYNC
IRIN
177
TS1_CLK/FDSP_IDO
176
C254
TS1_SYNC/FDSP_IDI
100nF
175
TS1_VLD/FDSP_ICLK
174
TS1_D0/FDSP_IMS
173
CI_CD
172
CI_RESET
171
VDDC
VDDC12
170
GNDC
169
AVSS_LPLL
AVDD_LPLL
168
AVDD33_LPLL
167
RXO0-
RXO0-
R_ODD7/RXO0-
166
RXO0+
R_ODD6/RXO0+
RXO0+
RXO1-
165
RXO1-
R_ODD5/RXO1-
164
RXO1+
R_ODD4/RXO1+
RXO1+
RXO2-
163
R_ODD3/RXO2-
RXO2-
162
RXO2+
R_ODD2/RXO2+
RXO2+
161
RXOC-
R_ODD1/RXOC-
RXOC-
160
RXOC+
RXOC+
R_ODD0/RXOC+
159
RXO3-
G_ODD7/RXO3-
RXO3-
RXO3+
158
G_ODD6/RXO3+
RXO3+
157
G_ODD5/RXO4-
156
G_ODD4/RXO4+
155
VDDP
VDDP33
154
RXE0-
G_ODD3/RXE0-
RXE0-
153
RXE0+
RXE0+
G_ODD2/RXE0+
152
RXE1-
G_ODD1/RXE1-
RXE1-
RXE1+
151
G_ODD0/RXE1+
RXE1+
150
RXE2-
B_ODD7/RXE2-
RXE2-
RXE2+
149
B_ODD6/RXE2+
RXE2+
148
RXEC-
RXEC-
B_ODD5/RXEC-
147
RXEC+
B_ODD4/RXEC+
RXEC+
RXE3-
146
RXE3-
B_ODD3/RXE3-
145
RXE3+
B_ODD2/RXE3+
RXE3+
144
B_ODD1/RXE4-
143
B_ODD0/RXE4+
142
PCM_WAIT_N/CI_WACK
141
PCM_IRQA_N/CI_INT
140
PCM_CE_N/CI_CS
139
PCM_REG_N/CI_CLK
138
PCM_WE_N
137
PCM_OE_N
136
PCM_IOWR_N/CI_WR
135
PCM_IORD_N/CI_RD
134
SPI_CZ1/CEC
133
VDDP
VDDP33
SPI-CSN0
R721 33
SPI_CSN0
132
SPI_CZ0
131
SPI-SDO
R722 33
SP_SDO
SPI_DO
SPI-SDI
R723 33
SPI_SDI
130
SPI_DI
129
SPI-SCK
R724 33
SPI_SCK
SPI_CK
R725 4.7K
VCC3.3V-ST
R726 4.7K
R727 4.7K
R728 4.7K
R272 4.7K
VCC3.3V-ST
R318 4.7K
VCC5V-ST
R275 100 0603
C308
C309
10u/16V
100nF
P204
13
IRGND
12
R340 100 0603
IR5V
1
11
IRIN
10
OSDINCJEAN
RIGHT
9
OSDDEC
LEFT
8
OSD-POWER-KEY
POWER
7
LEDR
6
LEDG
5
GND
4
MENU
3
UP
13
2
DOWN
1
SEL
JST-PH13P-2.0-90
C329 1nF
C3341nF
C3321nF
C333 1nF
C3311nF
C3271nF
EEPROM_WPN-GPIO
VCC3.3V-ST
R338
NC
R285
R286
R287
4.7K
4.7K
4.7K
VCC5V-ST
R288
2.2K
LED Driver
R290 NC
I2C-SCL
R294
5.6K
R293 NC
I2C-SDA
LED_B-GPIO4
1
B
SOT
2
23
E
EEPROM_WPN-GPIO
R301
VCC5V-ST
NC
VCC5V-ST
R305
2.2K
R308
5.6K
LED_R-GPIO3
1
B
R336
SOT
C316
R337
R339
2
23
E
100nF
0R
NC
NC
VCC5V-ST
R312 100R
R313 100R
VCC1.2V-ST
L205
VDDC
AVDDL_DVI
600R/1.5A 0805
C264
C265
C266
C267
C268
C269
C270
+
C262
+
C263
100nF
100nF
100nF
100nF
100nF
100nF
100nF
10u/16V
10u/16V
VCC3.3V-ST
L206
VDDP
2,10
VCC3.3V-ST
600R/1.5A 0805
C272
C273
C274
C275
C276
+
C271
100nF
100nF
100nF
100nF
100nF
10u/16V
VCC2.5V-ST
AVDD_DDR
2,7
VCC2.5V-ST
C278
C279
C280
C281
C282
+
C277
100nF
100nF
100nF
100nF
100nF
10u/16V
VCC3.3V-ST
VCC3.3V-ST
2,10
VCC3.3V-ST
AVDD_MPLL
2,10
VCC3.3V-ST
AVDD_LPLL
AVDD_MEMPLL
AVDD_AU
AVDD_SIF
AVDD_OTG
L207
600R/1.5A 0805
AVDD_OTG AVDD_MPLL
AVDD_ADC
AVDD_DVI
C287
C288
100nF
100nF
AVDD_ADC
AVDD_DVI
Using power plane
AVDD_LPLL
AVDD_MEMPLL
AVDD_AU
AVDD_SIF
C292
C293
C294
C295
C296
C297
C298
C299
+
C291
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
10u/16V
Boot Loader SPI Flash
*100MHz, No any VIA hole!
I207
VCC3.3V-ST
MX25L2305DM2I-12G
SPI_CSN0
1
8
CE#
VDD
SP_SDO
2
7
C302
SO
HOLD#
R266
100nF
4.7K
FLASH0_WPN-SAR3
SPI_SCK
VCC3.3V-ST
3
6
WP#
SCK
R267
NC
SPI_SDI
4
5
VSS
SI
AVDD_DDR
R263
1K 1% 0603
MDDR_VREF
C289
C290
100nF
1nF
R264
1K 1% 0603
R276 470 0603
LEDR
VCC3.3V-ST
IR-SYNC
LEDB
2,10
VCC3.3V-ST
R277 3K9
OSDMENU
OSDUP
OSDDOWNJEAN
OSDENTER
2,10
VCC3.3V-ST
OSDUP
R701 NC
GPIOUP
OSDDOWN
R702 NC
GPIODOWN
SAR1
SAR1
OSDENTER
R703 NC
GPIOENTER
OSDINC
R704 NC
GPIOINC
C3281nF
C335
OSDDEC
R705 NC
GPIODEC
C3301nF
1nF
OSDMENU
R706 NC
GPIOMENU
R291
0 0603
OSDINCJEAN
OSDINC
3
LEDB
R295
NC 0603
C
2,10
VCC3.3V-ST
OSDDOWN
Q201
SAR0
SAR0
MMBT3906
R306
0 0603
OSDDOWNJEAN
OSDDOWN
R309
NC 0603
OSDINC
3
LEDR
C
Q202
R295 , R309 ------ JEAN STD
MMBT3906
R291 , R306 ------ CUSTOMER
DDR-SDRAM Block
SDR-MCLK+
SDR-MCLK+ 7
DDR-MCLK-
DDR-MCLK- 7
SDR-CKE
SDR-CKE 7
SDR-WEZ
SDR-WEZ 7
SDR-CASZ
SDR-CASZ 7
SDR-RASZ
SDR-RASZ 7
SDR-BA0
SDR-BA0
7
SDR-BA1
SDR-BA1
7
DDR-DQS[1:0]
DDR-DQS[1:0] 7
SDR-DQM[1:0]
SDR-DQM[1:0] 7
MADR[12:0]
MADR[12:0] 7
MDATA[15:0]
MDATA[15:0] 7
LVDS Block
Transport Stream
TS_CLK
TS_CLK
3
TS_SYNC
TS_SYNC 3
TS_VALID
TS_VALID 3
TS_D[7:0]
TS_D[7:0] 3
Debug port
P203
SIP4
VCC5V-ST
2.0mm/Male_wafer
2,13
VCC5V-ST
C300
R151
R152
100nF
NC
NC
UART-TX
UART-RX
C151
C152
NC
NC
Mode Selection
VCC3.3V-ST
VCC3.3V-ST
R268
R269
NC
1K
PWM0
BRI_ADJ-PWM1
R270
R271
1K
NC
OSDUP
OSDDOWN
OSDENTER
VCC3.3V-ST
R278 1K
0V
1V
2V
3V
R279
R280
R281
R282
R283
1K
220 0603
470 0603
1K
5K1
R284
C310
2K
100nF
OSDINC
OSDDEC
OSDMENU
VCC3.3V-ST
R289 1K
0V
1V
2V
3V
R296
R297
R298
R299
R300
1K
220 0603
470 0603
1K
5K1
R304
C314
2K
100nF
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