NAD T748 Service Manual page 34

IC 911 : ADV7844KBCZ (HDMI Processor & ADC & DECODER)
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1 2 3 4
A GND TVDD
TEST6 TEST7
VS/FIELD
B HS/CS TVDD
TEST8 TEST9
FIELD/DE
C P0 P1 TVDD
TEST10 TEST11
D P2 P3 TVDD
TEST12 TEST13
E GND GND
DVDDIO DVDDIO
F P5 P4
EP_MISO EP_MOSI
G
P7 P6 EP_CS
EP_SCK
H P9 P8
TTX_SDA TTX_SCL
J P11 P10 MCLK AP0
K P13 P12 AP5 SCLK
L GND GND
DVDDIO DVDDIO
M P15 P14 AP4 AP3
N P17 P16 AP2 AP1
P P18 P19 SCL SDA
R P20 P21 TEST4 INT1
T P22 P23 TEST5 INT2
U
DVDDIO DVDDIO DVDDIO DVDDIO
V LLC P24 RESET
AVLINK
W P25 P26 NC
SPDIF_IN
Y P27 P28 GND GND GND
AA P29 P30 GND GND GND
AB P31 P32 P34 NC GND
AC GND P33 P35 NC GND
1 2 3 4
5 6 7 8 9
RXD_2– RXD_1– RXD_0– RXD_C– ARC_2–
RXD_2+ RXD_1+ RXD_0+ RXD_C+ ARC_2+
HPA_D
PWRDN1 TEST14 RXD_5V RXC_5V
CEC HPA_C HPA_B TVDD
RXB_5V
SYNC_OUT
GND GND GND GND TEST1 TEST2 GND
GND GND GND GND
GND GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD GND GND GND
VDD VDD VDD VDD
VDD_SDRAM SDRAM_A11 SDRAM_A6 SDRAM_A2 SDRAM_CS SDRAM_LDQS
SDRAM_RAS SDRAM_DQ7
VDD_SDRAM SDRAM_A9 SDRAM_A5 SDRAM_A1
DVDDIO
SDRAM_BA1 SDRAM_CAS VDD_SDRAM SDRAM_DQ4 SDRAM_DQ0 SDRAM_DQ13 SDRAM_DQ9
SDRAM_A8 SDRAM_A4 SDRAM_A0
DVDDIO
SDRAM_A7 SDRAM_A3 SDRAM_A10 SDRAM_BA0
5 6 7 8 9
10 11 12 13 14
TVDD
RXC_2– RXC_1– RXC_0– RXC_C–
TVDD
RXC_2+ RXC_1+ RXC_0+ RXC_C+
TVDD GND GND GND
HPA_A
RXA_5V
DDCD_SDADDCD_SCLDDCC_SDADDCC_SCL
GND CVDD CVDD CVDD
GND GND GND GND CVDD CVDD CVDD
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
VDD VDD VDD VDD
GND
SDRAM_DQ8 SDRAM_DQ2 SDRAM_DQ15 SDRAM_DQ11 SDRAM_CKE VDD_SDRAM
GND
SDRAM_DQ5 SDRAM_DQ1 SDRAM_DQ12 SDRAM_DQ8
SDRAM_WE VDD_SDRAM SDRAM_DQ3 SDRAM_VREF SDRAM_DQ14 SDRAM_DQ10 SDRAM_UDQS VDD_SDRAM
10 11 12 13 14
2-22
15 16 17 18 19
NC TVDD
RXB_2– RXB_1– RXB_0– RXB_C– ARC_1–
NC TVDD
RXB_2+ RXB_1+ RXB_0+ RXB_C+ ARC_1+
GND GND GND TVDD TVDD TVDD TVDD TVDD TVDD
RTERM
DDCB_SDADDCB_SCL
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND GND GND
GND
GND
SDRAM_CK VDD_SDRAM
GND SYNC1
SDRAM_CK VDD_SDRAM
GND
15 16 17 18 19
20 21 22 23
GND A
GND B
C
TVDD D
RXA_2+ RXA_2–
CVDD E
RXA_1+ RXA_1–
DDCA_SDA
CVDD F
RXA_0+ RXA_0–
DDCA_SCL
G
CVDD
RXA_C+ RXA_C–
VGA_SCL
CVDD NC NC H
VGA_SDA
PVDD TEST3 GND GND J
PVDD GND XTALN XTALP K
GND GND GND GND L
GND GND REFN REFP M
AVDD AVDD AVDD AVDD N
AVDD AVDD AIN11 AIN12 P
SYNC4 AIN10 R
HS_IN2/TRI7 VS_IN2/TRI8
GND GND GND GND T
TRI4 TRI3 AIN9 AIN8 U
TRI1 TRI2 SYNC3 AIN7 V
W
AVDD AVDD AVDD AVDD
AOUT NC AIN5 AIN6 Y
NC NC SYNC2 AIN4 AA
GND AB
HS_IN1/TRI5 VS_IN1/TRI6
AIN1 AIN2 AIN3 GND AC
20 21 22 23