ADV7842
引脚配置和功能描述
1
A
GND
2
P3
3
P1
4
P0
5
TVDD
6
RXB_2–
7
RXB_1–
8
RXB_0–
9
RXB_C-
10
GND
11
RXA_2–
12
RXA_1–
13
RXA_0–
14
RXA_C-
15
TVDD
16
GND
A
B
P5
P4
P2
SYNC_OUT
TVDD
RXB_2+
RXB_1+
RXB_0+
RXB_C +
GND
RXA_2+
RXA_1+
RXA_0+
RXA_C +
TVDD
XTALp
B
C
P7
P6
VS / FIELD
HS / CS
GND
HPA_B
HPA_A
RXB_5V
RXA_5V
PWRDN1
TEST8
CVDD
CVDD
CVDD
GND
XTALN
C
D
P9
P8
EP_MISO场/ DE
GND
CEC
DDCB_SD一个DDCB_SC L DDCA_SD一个DDCA_SC L
R项
CVDD
VGA_SCL VGA_SDA
PVDD
PVDD
D
E
GND
P10
EP_CS
EP_MOSI
GND
GND
GND
GND
GND
GND
CVDD
CVDD
HS_IN2 / TRI7 VS_IN2 / TRI8
REFP
REFN
E
F
P12
P11
EP_SCK
TTX_SCL
DVDDIO
GND
GND
GND
GND
GND
GND
AVDD
AIN12
AIN11
TRI4
TRI3
F
G
P14
P13
TTX_SDA
MCLK
DVDDIO
GND
GND
GND
GND
GND
GND
AVDD
AIN10
SYNC4
AIN9
AIN8
G
H
P16
P15
AP0
AP5
DVDDIO
GND
GND
GND
GND
GND
GND
AVDD
TRI1
TRI2
AIN7
SYNC3
H
J
P18
P17
SCLK
AP4
DVDDIO
GND
VDD
GND
GND
GND
GND
AVDD
AIN6
AIN4
SYNC2
GND
J
K
P20
P19
AP3
AP1
DVDDIO
VDD
VDD
VDD
VDD
GND
GND
AVDD
AIN5
VS_IN1/TRI6
AIN2
AIN3
K
L
P22
P21
SCL
AP2
DVDDIO
VDD
VDD
VDD
VDD
GND
GND
AVDD
AOUT
HS_IN1/TRI5
AIN1
SYNC1
L
M
GND
P23
SDA
INT1
DVDDIO
VDD_SDRAM
VDD_SDRAM
VDD_SDRAM
VDD_SDRAM
VDD_SDRAM
GND
GND
GND
GND
GND
GND
M
N
有限责任公司
P24
INT2
TEST4
RESET
TEST6
SDRAM_A8 SDRAM_A4 SDRAM_A0 SDRAM_CS
SDRAM_LDQS
SDRAM_DQ4
SDRAM_DQ15
SDRAM_DQ11
SDRAM_CK
sdram_cke
N
P
P25
P26
TEST5
AVLINK
TEST7
SDRAM_A11 SDRAM_A7 SDRAM_A3 SDRAM_A10
SDRAM_RAS
SDRAM_DQ7
SDRAM_DQ3
SDRAM_VREF SDRAM_DQ12 SDRAM_UDQS
SDRAM_CK
P
R
P27
P28
P30
P32
P34
SDRAM_A9 SDRAM_A6 SDRAM_A2 SDRAM_BA1
SDRAM_CAS
SDRAM_DQ6
SDRAM_DQ2
SDRAM_DQ0
SDRAM_DQ13
SDRAM_DQ9
SDRAM_DQ8
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
图8.引脚配置（顶视图）
版本B |第13页28
08849-007
T
GND
P29
P31
P33
P35
GND
SDRAM_A5 SDRAM_A1 SDRAM_BA0 SDRAM_WE
SDRAM_DQ5
GND
SDRAM_DQ1
SDRAM_DQ14 SDRAM_DQ10
GND
T
