Sony CDX-CA850X - Page 20

20
CDX-CA850/CA850X/CA860X
Pin No. Pin Name I/O Pin Description
69 FLASH W I Flash write mode detection signal input
70 I2CSIO O Tuner, electronic volume communication data signal output
71 I2CCKO O Tuner, electronic volume communication clock signal output
72 NCO O Not used. (Open)
73 X1A I Low speed oscillation signal input (32.768 kHz)
74 X0A I Low speed oscillation signal input (32.768 kHz)
75 DAVN O DAVN signal output to RDS decoder
76 DISCON IN O Not used. (Open)
77 BUIN I Backup power supply detection signal input
78 NCO O Not used. (Open)
79 KEYACK I KEY ACK detection signal input
80 ADON O A/D conversion power control signal output
81 NOSESW I Front panel attachment detection signal input
82 FLASH ON O Flash write jig power supply output
83 PWON O System power supply control signal output
84 NCO O Not used. (Open)
85 RAMBU I RAM reset detection signal input
86 HSTX I Hardware standby signal input
87 MD2 I Operation mode input (Connect to ground.)
88, 89 MD1, 0 I Operation mode input (Connect to VCC.)
90 RESET I Microcomputer reset signal input
91 VSS — Ground pin
92 X0 I High speed oscillation signal input (3.68 MHz)
93 X1 I High speed oscillation signal input (3.68 MHz)
94 VCC — Power supply pin (+5 V)
95, 96 REIN0, 1 I Rotary encoder signal input
97 – 99 NCO O Not used. (Open)
100 4V SEL X/O I 4 V/5.5 V preout menu with/without initial setting input
101 COLORSEL X/O I Illumination select with/without initial setting input Not used. (Open)
102 MODELSEL0 U/J I Destination setting input Not used. (Open)
103 DOT/L-CUBE I DOT/L-CUBE judgment initial setting input
104 CD/MD I CDX/MDX judgment initial setting input Not used. (Open)
105, 106 NCO O Not used. (Open)
107 RCIN1 (PULL UP) I Rotary commander signal input
108 TESTIN (PULL UP) I Test mode setting detection input
109 TELATT I TEL mute detection signal input
110 ILLIN I Illumination line detection signal input
111, 112 NCO O Not used. (Open)
113 TUNON O Tuner on signal output
114, 115 NCO O Not used. (Open)
116 EMPH O Not used. (Open)
117 ACCIN I ACC power supply detection signal input L: ACC ON
118 NCO O Not used. (Open)
119 VSS — Ground pin
120 NCO O Not used. (Open)