BBK 9903S, Руководство по обслуживанию

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MT1379
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
Pin Number Symbol Type Description
157 ASDATA3 Inout
4MA
PD SMT
(1) Audio serial data 3 (surround left/surround right channel)
(2) Trap value in power-on reset :
1 : manufactory test mode 0 : normal operation
OR Videoin Data PortB 1
158 ASDATA4 Inout
4MA
PD SMT
(1) Audio serial data 4 (center/left channel)
(2) Trap value in power-on reset :
1 : manufactory test mode 0 : normal operation
OR Videoin Data PortB 2
159 DACVDDC Power 3.3V power pin for VIDEO DAC circuitry
160 VREF Analog input Bandgap reference voltage
161 FS Analog output Full scale adjustment
162 YUV0/CIN Output
4MA, SR
Video data output bit 0 /
Compensation capacitor
163 DACVSSC Ground Ground pin for VIDEO DAC circuitry
164 YUV1/C Output
4MA, SR
Video data output bit 1 /
Analog chroma output
165 DACVDDB Power 3.3V power pin for VIDEO DAC circuitry
166 YUV2/Y Output
4MA, SR
Video data output bit 2 /
167 DACVSSB Ground Ground pin for VIDEO DAC circuitry
168 YUV3/CVBS Output
4MA, SR
Video data output bit 3 /
Analog composite output
169 DACVDDA Power 3.3V power pin for VIDEO DAC circuitry
170 YUV4/G Output
4MA, SR
Video data output bit 4 /
Green or Y
171 DACVSSA Ground Ground pin for VIDEO DAC circuitry
172 YUV5/B Output
4MA, SR
Video data output bit 5 /
Blue or CB
173 YUV6/R Output
4MA, SR
Video data output bit 6 /
Red or CR
174 ICE Input
PD, SMT
Microcontroller ICE mode enable
175 BLANK# Inout
4MA, SR
SMT
Video blank area, active low /
Videoin Field_601
176 VSYN Inout
4MA, SR
SMT
Vertical sync /
Videoin Vsync_601
177 YUV7 Inout
4MA, SR
SMT
Video data output bit 7 /
Videoin Data PortB 3
178 DVSS Ground Ground pin for internal digital circuitry
179 HSYN Inout
4MA, SR
SMT
Horizontal sync /
Videoin Hsync_601
180 SPMCLK Input Audio DAC master clock of SPDIF input /
Videoin Data PortB 4