Cambridge Audio DVD53 Service Manual page 29

PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE
Pin Number Symbol
138 RD23
139 RD22
140 DVDD2
141 RD21
142 RD20
143 RD19
144 RD18
145 DVSS
146 RD17
147 RD16
148 ABCK
149 ALRCK
150 DVDD3
151 ACLK
152 MC_DATA
153 SPDIF
154 ASDATA0
155 ASDATA1
156 ASDATA2
Type
Inout DRAM data 23 /
2~16MA, SR Videoin Data PortA 7
PU/PD, SMT
Inout DRAM data 22 /
2~16MA, SR Videoin Data PortA 6
PU/PD, SMT
Power 2.5V power pin for internal digital circuitry
Inout DRAM data 21 /
2~16MA, SR Videoin Data PortA 5
PU/PD, SMT
Inout DRAM data 20 /
2~16MA, SR Videoin Data PortA 4
PU/PD, SMT
Inout DRAM data 19 /
2~16MA, SR Videoin Data PortA 3
PU/PD, SMT
Inout DRAM data 18 /
2~16MA, SR Videoin Data PortA 2
PU/PD, SMT
Ground Ground pin for internal digital circuitry
Inout DRAM data 17 /
2~16MA, SR Videoin Data PortA 1
PU/PD, SMT
Inout DRAM data 16 /
2~16MA, SR Videoin Data PortA 0
PU/PD, SMT
Output Audio bit clock
4MA
Inout (1) Audio left/right channel clock
4MA, (2) Trap value in power-on reset :
PD, SMT 1 : use external 373
Power 3.3V power pin for internal digital circuitry
Inout Audio DAC master clock (384/256 audio sample frequency)
4MA
Input Microphone serial input
Output SPDIF output
2~16MA,
SR : ON/OFF
Inout (1) Audio serial data 0 (left/right channel)
4MA (2) Trap value in power-on reset :
PD SMT 1 : manufactory test mode
Inout (1) Audio serial data 1 (surround left/surround right channel)
4MA (2) Trap value in power-on reset :
PD SMT 1 : manufactory test mode
Inout (1) Audio serial data 2 (center/left channel)
4MA (2) Trap value in power-on reset :
PD SMT 1 : manufactory test mode
27
MT1379
MTK CONFIDENTIAL, NO DISCLOSURE
Description
0: use internal 373
0 : normal operation
0 : normal operation
0 : normal operation