41
STR-DB900
Pin No. Pin Name I/O Description
116 LED-STANDBY O Standby LED drive signal output
117 INPUT-DOWN I Input selector dial encoder signal input
118 INPUT-UP I Input selector dial encoder signal input
119 VOL-DOWN I Volume dial encoder signal input
120 VOL-UP I Volume dial encoder signal input
121 FL-LATCH O Latch signal output to uPD16315
122 FL-CLK O Serial clock output to uPD16315
123 FL-DATA O Serial data output to uPD16315
124 NO-USE — Not used. (Connected to ground)
125 FLSH-SI I Flash serial data write signal input
126 FLSH-SO O Flash serial data write signal output
127 NO-USE O Not used. (Open)
128 to 133 NO-USE — Not used. (Connected to ground)
134 NMIX I Not used. (Pull up)
135 XA-OUT O Not used. (Open)
136 VSS — Ground
137 XA-IN I Not used. (Connected to ground)
138 MD2 O MD2 signal output
139,140 MD1,0 O Not used. (Connected to ground)
141 X-IN I Ceramic vibrator signal input (12.5 MHz)
142 VCC — Power supply (+3.3 V)
143 X-OUT O Ceramic vibrator signal input (12.5 MHz)
144 XRESET I Reset signal input
145 VSS — Ground
146 VCC — Power supply (+3.3 V)
147 to 150 NO-USE — Not used. (Connected to ground)
151 TUN-CLK O Tuner clock output
152 TUN-D0 I Tuner data input
153 TUN-DATA O Tuner data output
154 TUN-LAT O Tuner data latch signal output
155 TUN-TUNED I Tuner tuned signal input
156 TUN-STEREO I Tuner stereo signal input
157 TUN-MUTE O Tuner mute signal output
158 RDS-DATA I RDS data input
159 to 161 NO-USE — Not used. (Connected to ground)
162 VSS — Ground
163 VCC — Power supply (+3.3 V)
164 to 168 NO-USE I Not used. (Open)
169 ASEL-B O Analog input select signal output
170 ASEL-A O Analog input select signal output
171 ADC-RST O Reset signal output to PCM1802
172 NO-USE — Not used. (Connected to ground)
173 DSP-CLK O DSP serial clock output to CXD9718Q
174 DSP-DI O DSP serial data signal output to CXD9718Q
175 VSS — Ground
176 VCC — Power supply (+3.3 V)
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