Akai ADP-841, Service Manual

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MT1389 B/ C
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
9
MTK Confidential A
FOR SZ_MTK USE ONLY
Pin Main Alt. Type Description
203 YUV6 R/Cr/Pr
Output
4MA, SR
1) Video data output bit 6
2) Red or CR
205 VSYN V_ADIN1
Inout
4MA, SR
SMT
1) Vertical sync input/output
2) While no External TV-encoder:
I) Vertical sync for video-input
II) Version AD input port 1
III) GPIO
206 YUV7
INT3#
ASDATA5
Inout
4MA, SR
SMT
1) Video data output bit 7
2) While no External TV-encoder:
I) Microcontroller external interrupt 3
II) Audio serial data 5 part II : DSD data sub-woofer
channel or Microphone output
III) GPIO
207 HSYN
INT4#
V_ADIN2
Inout
4MA, SR
SMT
1) Horizontal sync input/output
2) While no External TV-encoder:
I) Horizontal sync for video-input
II) Microcontroller external interrupt 4
III) Version AD input port 2
IV) GPIO
MISC ( 8 )
44 NC
45 NC
110 PRST#
Input
PU, SMT
Power on reset input, active low
109 ICE
Input
PD, SMT
Microcontroller ICE mode enable
228 XTALO Output 27M crystal out
229 XTALI Input
27M crystal in
Dram Interface ( 63 ) ( Sorted by position )
188 NC
187 NC
186 NC
185 NC
184 NC
183 NC
181 NC
180 NC
179 DQM2
Inout
Pull-Up
GPIO
178 DQM3
Inout
Pull-Up
GPIO
177 RD24
Inout
Non-pull
GPIO