8.4. MSD2248AL_256_IC
HDMI Block
RGB Block
CVBS Block
Audio Block
DDR-SDRAM Block
I2C / UART
USB Block
SAR
GPIO
Mode Selection
Using power plane
EEPROM
I2C address
at A0.
I2C address
at A4
CL=20pF ; C0max=5pF
System Crystal
Close to IC
with width trace
*100MHz, No any VIA hole!
Boot Loader SPI Flash
PWM
System Reset
Close to IC
as close
as possible
with width trace
1
13
0V
0V 3V2V1V
1V 3V2V
R295 , R309 ------ JEAN STD
R291 , R306 ------ CUSTOMER
LED Driver
4M
PANEL
INTERFACE
Transport Stream
Debug port
Close to Scaler
modify circuit 080710
in order to reduce power comsumption add GPIO to control AMP sleep mode 080901
modify Res value from 5K6 to 6K8 080910
HDMI-CLKN
HDMI-CLKP
HDMI-RX0N
HDMI-RX2P
HDMI-RX1N
HDMI-RX2N
HDMI-RX1P
HPD_CTRL
DDC_SDA
DDC_SCL
RGB1_BIN+
RGB1_SOG
RGB1_GIN+
RGB1_RIN+
VGA_VSYNC1
VGA_HSYNC1
RGB0_Y+
RGB0_Y-
RGB0_PB+
RGB0_PB-
RGB0_PR+
RGB0_PR-
YIN_0+
CIN_0+
CVBS1_IN
VCOM1
TV_IN+
TV_IN-
SIF_IN-
SIF_IN+
AUR0
PC_Audio-AUL2
PC_Audio-AUR2
AUL0
I2C-SDA
I2C-SCL
UART-TX
UART-RX
USB_DP
USB_DM
AU_DACO_1L
AU_DACO_1R
TUNER-SAR2
BRI_ADJ-PWM2
PWM0
24C04_I2C-SCL
24C04_I2C-SDA
24C32_I2C-SCL I2C-SCL
24C32_I2C-SDA
SPI_CSN0
SP_SDO
SPI_SCK
SPI_SDI
MUTE_S/GPIO124
PANEL-ON/OFF-GPIO11
RGB0-SOG
BRI_ADJ-PWM2
LED_B-GPIO100
SYS_RST System-RST
VBLCTRL-GPIO12
OSDENTER
LEDR
LEDB
SAR1
OSDINC
LEDR
OSDDOWNJEAN OSDDOWN
LEDB
OSDDOWN
OSDINCJEAN
OSDINC
OSDUP
OSDDEC
OSDDOWN
OSDENTER
POWER-ON/OFF-GPIO44
SHUT_DOWN_AU
AUVRM
Y_CC
SPI_SCK
SPI_SDI
SP_SDO
SPI_CSN0
XTALO
I2C-SDA
XTALI
FLASH0_WPN-SAR3
SAR0
EEPROM_WPN-GPIO13
EEPROM_WPN-GPIO13
AUL1
AUR1
IR-SYNC
OSDINCJEAN
OSDDEC
OSD-POWER-KEY
OSDUP
OSDDOWNJEAN
AUVRP
AUVAG
TS_CLK
TS_SYNC
TS_VALID
TS_D[7:0]
UART-RX
UART-TX
TS_SYNC
SPI-SDI
FLASH0_WPN-SAR3
SAR1
RGB1_RIN+
VCLP
HDMI-RX2P
I2C-SDA
VDDC
TS_D2
UART-RX
VGA_HSYNC1
HDMI-CLKN
SPI-SDO
TV_IN+
AVDD_ADC
VGA_VSYNC1
HDMI-REXT
VDDC
Y_CC
REFP
TS_D3
AVDD_ADC
SAR0
AUVRP
IR-SYNC
POWER-ON/OFF-GPIO44
BRI_ADJ-PWM2
AUR0
CVBS1_IN
RGB0_Y+
RGB0_PB+
RGB1_BIN+
VDDC
TUNER-SAR2
RGB1_GIN+
HPD_CTRL
TS_CLK
VDDP
AVDD_AU
SIF_IN+
VCOM1
REFM
AUCOM
CIN_0+
TS_D6
TV_IN-
RGB0_PR-
RGB0-SOG
I2C-SCL
RGB0_Y-
DDC_SDA
OSD-POWER-KEY
VDDP
TS_VALID
HDMI-RX1P
SIF_IN-
RGB0_PB-
EEPROM_WPN-GPIO13
TS_D5
UART-TX
AU_DACO_0L
TS_D7
TS_D4
HDMI-RX0P
PC_Audio-AUR2
PC_Audio-AUL2
AUR1
AVDD_SIF
HDMI-RX2N
AU_DACO_0R
YIN_0+
TS_D0
RGB0_PR+
HDMI-RX1N
AUVAG
AUL1
AVDD_ADC
DDC_SCL
HDMI-CLKP
TS_D1
AVDD_DDR
HDMI-RX0N
PWM0
AUL0
AUVRM
DQS0
System-RST
RGB1_SOG
USB_OCD_N-GPIO123
RXEC+
RXO3+
RXO2+
VDDC
LED_R-GPIO99
LED_B-GPIO100
AVDD_DDR
DQS2
DQS3
MDATA30
MDATA31
MDATA26
MDATA27
MDATA24
DQM3
MDATA25
MDATA28
MDATA29
AVDD_DDR
MDATA18
MDATA20
MDATA19
MDATA23
MDATA22
MDATA21
DQM2
MDATA16
MDATA17
AVDD_DDR
VDDC
MDDR_VREF
AVDD_MEMPLL
AVDD_DDR
MCLK-
MCLK+
CKE
MADR8
MADR7
MADR5
MADR6
MADR3
MADR4
MADR1
MADR2
MADR0
MADR12
MADR11
MADR10
MADR9
CAS
WEZ
RAS
BA0
BA1
AVDD_DDR
CAS
WEZ
RAS
BA0
BA1
MCLK-
CKE
MCLK+
MDATA5
MDATA11
MDATA6
MDATA12
MDATA9
MDATA13
MDATA7
MDATA14
MDATA10
MDATA0
MDATA15
MDATA8
MDATA2
MDATA3
MDATA4
MDATA1
MDATA24
MDATA30
MDATA19
MDATA25
MDATA20
MDATA28
MDATA23
MDATA18
MDATA16
MDATA29
MDATA22
MDATA17
MDATA21
MDATA26
MDATA27
MDATA31
MADR3
MADR7
MADR8
MADR4
MADR5
MADR6
MADR1
MADR11
MADR2
MADR12
MADR0
MADR10
MADR9
DQS1
DQM1
AVDD_DDR
VDDC
XTALO
XTALI
AVDD_MPLL
USB_DP
USB_DM
AVDD_OTG
OTG_REXT
AVDDL_DVI
VDDC
MDATA15
MDATA14
MDATA13
MDATA12
MDATA11
MDATA10
MDATA8
MDATA9
MDATA7
MDATA6
MDATA5
MDATA4
MDATA3
MDATA2
MDATA1
MDATA0
AVDD_LPLL
RXOC-
RXO1+
RXE2-
RXE3-
RXE0+
RXEC-
RXO0-
RXO3-
RXE3+
VDDP
SPI-SCK
RXE2+
SPI-CSN0
RXOC+
RXO1-
RXO2-
PANEL-ON/OFF-GPIO11
RXO0+
VDDP
RXE0-
VBLCTRL-GPIO12
RXE1-
RXE1+
LED_R-GPIO99
SHUT_DOWN_AU
PWM1
PWM1
HDMI-RX0P
DTVRESET
MDDR_VREF
MUTE_S/GPIO124
USB_OCD_N-GPIO123
VBLCTRL-GPIO12
HDMI-CEC
HDMI-CEC
OSDDOWN
OSDENTER
OSDUP
OSDMENU
OSDINC
OSDMENU
OSDDEC
OSDMENU
OSDINC
POWER-SAVING-GPIO98
AU_DACO_1L
AU_DACO_1R
AU_DACO_0L
AU_DACO_0R
POWER-SAVING-GPIO98
DPF_AUL
DPF_Enable-
DPF_Card_dect-
DPF_PWR
DPF_Card_dect-
SYS_RST
DPF_Y
DPF_AUR
DPF_AUL
DPF_Pr
DPF_Pb
OSD-POWER-KEY
UART-RX
UART- TX
DPF_Enable-
DPF_IR
DPF_IR
DPF_K0
DPF_K1
DPF_K2
DPF_PWR
DPF_K0
DPF_K1
DPF_K2
DPF_SEL
DPF_RST
DPF_RST
DPF_AUR
DPF_Y7
DPF_Pb7
DPF_Pr7
DPF_SEL
7
VCC3.3V-ST
VCC3.3V-ST
AVDD_DDR
AVDD_LPLL
AVDD_MEMPLL
AVDD_OTG AVDD_MPLL
AVDD_SIFAVDD_AU
VCC3.3V-ST
AVDD_MEMPLL
VCC3.3V-ST
AVDD_LPLL
VCC3.3V-ST VDDP
AVDD_ADC AVDD_DVI
VCC1.2V-ST
VCC2.5V-ST
VCC3.3V-STVCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
AVDD_MPLL
AVDD_SIF
AVDD_AU
VCC3.3V-ST
AVDD_OTG
AVDD_ADC
AVDD_DVI
AVDD_ADC
VCC3.3V-ST
VCC3.3V-ST
VCC5V-ST
VCC5V-ST
VCC5V-ST
VCC5V-ST
VCC5V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
VCC5V-ST
VCC3.3V-ST
VCC3.3V-ST
VDDC
AVDD_DDR
VCC3.3V-ST
VCC3.3V-ST
VCC3.3V-ST
AVDDL_DVI
VCC5V-STDPF
VCC3.3V-ST
VCC3.3V-ST
+5V_General
VCC3.3V-ST
VCC3.3V-ST
C3311nF
R297
220R 0603
R335
0R
C267
100nF
C282
100nF
R283
5K1
C276
100nF
Q203
MMBT3906
1
3 2
C293
100nF
R311
10K
C268
100nF
E
B
C
SOT
23
Q202
MMBT3906
1
3
2
R301
NC
R340 100R
R285
4.7K
C278
100nF
C288
100nF
R71610K
R277 3K9
R358
NC/10K
L206
600R/1.5A 0805
+
C263
10u/16V
C316
100nF
C152
NC
R257
909R 1% 0603
+
C349
10u/16V
C299
100nF
C3321nF
R298
470R 0603
R724 100R
R304
2.4K
R291 0 0603
C3301nF
R286
4.7K
+
C262
10u/16V
C151
NC
C264
100nF
R272 4.7K
+
C303
10u/16V
P206
CON28C
1
3
5
7
9
11
13
15
17
19
21
23
25
27
20
18
16
14
12
10
8
6
4
2
28
26
24
22
C3251nF
R268
NC/10K
R300
5K1
R3284.7K
R278 1K
R152
NC
C261
20pF
R323 10K
C301 100nF
R313 100R
I211
24C04
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
C311
100nF
C286
100nF
R290 100R
C304
100nF
C314
100nF
C315
10u/16V
C302
100nF
R356
10K
R365 100R 0603
R292
10K
R296
1K
R309 NC/0 0603
+
C305
1u/50V
RG
V
SOT
23
+
I210
NC/LM810 2.65V
1
3
2
R360 4.7K
R263
1K 1%
+
C271
10u/16V
R303
1K
X202
12MHz
C269
100nF
R295 NC/0 0603
C260
20pF
C254
100nF
R282
1K
R317
10K
C284
100nF
R269
1K
P204
JST-PH13P-2.0-90
1
2
3
4
5
6
7
8
9
10
11
12
13
SEL
DOWN
UP
MENU
GND
LEDG
LEDR
POWER
LEFT
RIGHT
IRIN
IR5V
IRGND
R306 0 0603
C283
100nF
I206
MSD2248AL
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
34
35
40
41
42
43
44
45
46
48
50
51
52
53
55
56
57
58
59
60
61
62
64
65
70
66
68
69
73
78
134
118
119
120
121
122
123
124
125
128
129
130
131
132
133
191
182
183
184
192
186
188
189
190
217
218
219
220
242
243
244
255
256
5
6
9
7
8
4
31
245
89
246
254
71
72
79
117
137
138
139
140
141
142
143
144
145
146
147
150
151
152
153
154
155
156
157
158
159
90
91
92
93
94
95
96
97
101
102
135
136
185
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
222
216
248
249
251
252
250
1
2
3
36
37
38
39
230
74
75
76
54
80
81
82
83
84
85
86
87
88
257
33
47
49
63
67
77
98
99
100
103
104
105
106
107
108
109
110
111
112
113
114
115
116
126
127
148
149
160
161
162
163
164
165
166
167
168
169
170
171
173
174
175
176
178
179
181
172
177
180
187
209
210
211
212
213
214
215
221
223
224
226
227
225
228
229
231
232
233
235
236
237
238
239
240
234
241
247
253
RX2N
RX2P
GPIO125
REXT
DDCDA_DA
DDCDA_CK
HSYNC1
VSYNC1
VCLP
REFP
REFM
BIN1P
SOGIN1
GIN1P
RIN1P
BIN0M
BIN0P
GIN0M
GIN0P
SOGIN0
RIN0M
AVDD_ADC
HSYNC0
VSYNC0
CVBS3P
CVBS2P
CVBS1P
VCOM1
CVBS0P
VCOM0
AVDD_ADC
CVBSOUT
AVDD_SIF
SIF_IN1P
SIF_IN1M
VDDC
LINE_IN_0L
LINE_IN_0R
LINE_IN_1L
LINE_IN_1R
LINE_IN_2L
LINE_IN_2R
LINE_IN_3L
LINE_IN_3R
NC
NC
AVDD_AU
GND
AUVRP
AUVAG
LINE_OUT_1L
VDDP
GPIO125/CEC
SAR0/FDSP_IMS/MCU_TMS
SAR1/FDSP_ICLK/MCU_TCK
SAR2/FDSP_IDI/MCU_TDI
SAR3/FDSP_IDO/MCU_TDO
PWM0
PWM1
PWM2
PWM3
HWRESET
SPI_CK
SPI_DI
SPI_DO
SPI_CZ0
VDDP
VDD_DDR
DDR_DQ[22]
DDR_DQ[21]
DDR_DQ[20]
DDR_DQS[2]
DDR_DQ[18]
DDR_DQM[2]
DDR_DQ[17]
DDR_DQ[16]
DDR_BA[0]
DDR_WE_N
DDR_RAS_N
DDR_CAS_N
DDR_DQM[0]
DDR_DQ[1]
DDR_DQ[0]
XIN
AVDD_MPLL
RX0P
AVDD_ADC
GND
RX1N
RX1P
RX0N
RIN0P
VDD_DDR
VDDC
DDR_DQS[0]
XOUT
LINE_OUT_2L
LINE_OUT_2R
GPIO20
UART_RX(DDCA_CLK)
LA3P/RXE3+
LA3N/RXE3-
LACK/RXEC+
LACK/RXEC-
LA2P/RXE2+
LA2N/RXE2-
LA1P/RXE1+
LA1N/RXE1-
LA0P/RXE0+
LA0N/RXE0-
VDDP
LB3P/RXO3+
LB3N/RXO3-
LBCKP/RXOC+
LBCKN/RXOC-
LB2P/RXO2+
LB2N/RXO2-
LB1P/RXO1+
LB1N/RXO1-
LB0P/RXO0+
LB0N/RXO0-
TSDATA[0]
TSDATA[1]
TSDATA[2]
TSDATA[3]
TSDATA[4]
TSDATA[5]
TSDATA[6]
TSDATA[7]
GND
VDDC
GPIO124
GPIO123
DDR_DQ[19]
GND
VDDC
GPIO13/UART_RX1/CEC
GPIO14/UART_TX1
MVREF
DDR_CKO_N
DDR_CKO
DDR_CKE
AVDD_MEMPLL
DDR_AD[0]
DDR_AD[1]
DDR_AD[2]
DDR_AD[3]
DDR_AD[4]
DDR_AD[5]
DDR_AD[6]
VDD_DDR
DDR_BA[1]
AVDD_DVI
USB_REXT
USB_DM
USB_DP
AVDD_OTG
GND
RXCN
RXCP
C1(CVBS7P)
Y1(CVBS5P)
C0(CVBS6P)
Y0(CVBS4P)
VDDC
LINE_OUT_1R(DACO_S)
NC
LINE_OUT_0L(DACO_L)
GND
GPIO21
GPIO22
GPIO23
GPIO24
GPIO25
GPIO26
GPIO27
GPIO28
GND
GND
GND
NC
GND
AUCOM
AUVRM
LINE_OUT_0R(DACO_R)
TSVALID
TSSYNC
TSCLK
GPIO44/I2S_IN_WS
GPIO45/I2S_IN_BCK
I2S_IN_SD
SPDIF_IN
SPDIF_OUT
I2S_OUT_WS
I2S_OUT_MCK
I2S_OUT_SCK
I2S_OUT_SD0
I2S_OUT_MUTE
VDDP
IRIN
INT
UART_TX(DDCA_DAT)
DDCR_DA
DDCR_CK
GPIO12
GPIO11
AVDD_LPLL
GND
GND
VDDC
GPIO100
GPIO99
GPIO98
GPIO97
DDR_DQS[3]
VDD_DDR
DDR_DQ[31]
DDR_DQ[30]
DDR_DQ[29]
DDR_DQ[28]
DDR_DQ[27]
DDR_DQ[26]
DDR_DQ[25]
DDR_DQ[24]
DDR_DQ[23]
GND
DDR_DQM[3]
VDD_DDR
GND
VDD_DDR
DDR_AD[7]
DDR_AD[8]
DDR_AD[9]
DDR_AD[10]
DDR_AD[11]
DDR_AD[12]
DDR_DQS[1]
DDR_DQ[15]
DDR_DQ[14]
DDR_DQ[13]
DDR_DQ[12]
GND
DDR_DQ[11]
DDR_DQ[10]
DDR_DQM[1]
DDR_DQ[9]
DDR_DQ[8]
DDR_DQ[7]
DDR_DQ[6]
DDR_DQ[5]
DDR_DQ[4]
DDR_DQ[3]
DDR_DQ[2]
VDD_DDR
GND
VDDC
GND
R312 100R
P203
2.0mm/Male_wafer
SIP4
1
2
3
4
+
C277
10u/16V
C290
1nF
C275
100nF
R325 4.7K
R329 4.7K
R333
NC
R331
NC
R307
100R 0603
+
C313
47u/16V
R727 NC/4K7
C272
100nF
C287
100nF
R288 2K2
C281
100nF
R261 4.7K
C270
100nF
R293 100R
R355 0R
R334
NC
C300
100nF
C289
100nF
R71510K
R722 100R
+
C306
10u/16V
R726 NC/4K7
R270
10K
R275 NC/ 0603
C266
100nF
R151
NC
C298
100nF
R338
100R
C274
100nF
R337
NC
R264
1K 1%
C294
100nF
R308 5K6
R71410K
R281
470R 0603
C3261nF
C292
100nF
R721 100R
R305 2K2
R318 4.7K
R71110K
L207
600R/1.5A 0805
R287
4.7K
C265
100nF
C3281nF
R271
NC/1K
R339
100R
R258
1M
C280
100nF
D204
BAV99
3
2
1
R279
1K
C310
100nF
C285
NC
R728 NC/4K7
R310
4.7K
R299
1K
R260 4.7K
L208
0R 0805
C273
100nF
R289 1K
C333
1nF
E
B
C
SOT
23
Q201
MMBT3906
1
3
2
R324 10K
R284
2.4K
L205
600R/1.5A 0805
C572 1uF 0603
R723 100R
R262 392R 1% 0603
R280
220R 0603
C3291nF
R332
NC
R336
4.7K
C3271nF
C348
100nF
C200
100nF
C312 NC/10u/16V
R266
NC/4.7K
C309
100nF
R3264.7K
I209 NC/24C512K
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
R276 470R 0603
R302
NC/24K
R71210K
C296
100nF
+
C351
100uF/16V
C350
100nF
C573 1uF 0603
C308
10u/16V
+
C291
10u/16V
R294 6K8
R71310K
C279
100nF
R725 NC/4K7
C297
100nF
R3274.7K
R267
10K
I207
MX25L2305DM2I-12G
1
2
3
4 5
6
7
8
CE#
SO
WP#
VSS SI
SCK
HOLD#
VDD
HDMI-CLKP8
HDMI-CLKN8
HDMI-RX0P8
HDMI-RX0N8
HDMI-RX1P8
HDMI-RX1N8
HDMI-RX2P8
HDMI-RX2N8
HPD_CTRL8
DDC_SDA8
DDC_SCL8
RGB1_BIN+6
RGB1_SOG6
RGB1_GIN+6
RGB1_RIN+6
RGB0_PB+7
RGB0_PB-7
VGA_HSYNC16
VGA_VSYNC16
RGB0_Y+7
RGB0_Y-7
RGB0_PR+7
RGB0_PR-7
YIN_0+7
CIN_0+7
CVBS1_IN7
VCOM17
TV_IN+3
TV_IN-3
SIF_IN+3
SIF_IN-3
AUL07
AUR07
PC_Audio-AUL29
PC_Audio-AUR29
I2C-SCL2
I2C-SDA2
UART-TX6
UART-RX6
USB_DP12
USB_DM12
AU_DACO_1L10
AU_DACO_1R10
TUNER-SAR23
VCC3.3V-ST1,8,10
VCC3.3V-ST1,8,10
PANEL-ON/OFF-GPIO111
VCC1.2V-ST1
VCC2.5V-ST1,5
USB_OCD_N-GPIO12312
VCC3.3V-ST1,8,10
VCC3.3V-ST1,8,10
RGB0-SOG7
BRI_ADJ-PWM21
VBLCTRL-GPIO121
MUTE_S/GPIO12410
SAR1
SAR0
POWER-ON/OFF-GPIO441,10
VCC3.3V-ST1,8,10
VCC3.3V-ST1,8,10
VCC3.3V-ST1,8,10
Y_CC7
SHUT_DOWN_AU10
AUL17
AUR17
TS_D[7:0] 2
TS_CLK 2
TS_SYNC 2
TS_VALID 2
DTVRESET2
VCC3.3V-ST1,8,10
VCC5V-ST1,6,7,8,12
RXE1- 11
RXE0- 11
RXE0+ 11
RXEC+ 11
RXEC- 11
RXE2+ 11
RXE2- 11
RXE3+ 11
RXE3- 11
RXO1- 11
RXO1+ 11
RXO2- 11
RXO2+ 11
RXOC- 11
RXOC+ 11
RXO3- 11
RXO3+ 11
RXO0- 11
RXO0+ 11
RXE1+ 11
MDATA[16..31] 5
MDATA[0..15] 5
MADR[0..12] 5
CKE 5
MCLK+ 5
MCLK- 5
CAS 5
RAS 5
WEZ 5
BA0 5
BA1 5
DQS2 5
DQM2 5
DQM3 5
DQS3 5
DQS1 5
DQM15
DQM05DQS0 5
MDDR_VREF 5
HDMI-CEC8
POWER-SAVING-GPIO9810
AU_DACO_0L10
AU_DACO_0R10
VCC5V-STDPF 1
VCC3.3V-ST 1,8,10
+5V_General 1,2,3,12
ViewSonic Corporation Confidential - Do Not Copy VTMS2431
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