Sony Ericsson CDX-CA850X CDX-CA850/CA850X/CA860X, Flash write mode detection signal input

CDX-CA850/CA850X/CA860X

Pin No.		Pin Name						I/O	Pin Description
69								I	Flash write mode detection signal input
		FLASH W
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								O	A/D conversion power control signal output
						ADON
81								I	Front panel attachment detection signal input
			NOSESW
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								I	4 V/5.5 V preout menu with/without initial setting input
	4V SEL X/O
101								I	Illumination select with/without initial setting input Not used. (Open)
	COLORSEL X/O
102								I	Destination setting input Not used. (Open)
	MODELSEL0 U/J
103	DOT/L							I	DOT/L-CUBE judgment initial setting input
							-CUBE
104								I	CDX/MDX judgment initial setting input	Not used. (Open)
				CD/MD
105, 106						NCO		O	Not used. (Open)
107	RCIN1 (PULL UP)							I	Rotary commander signal input
108								I	Test mode setting detection input
	TESTIN (PULL UP)
109								I	TEL mute detection signal input
				TELATT
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								I	ACC power supply detection signal input	L: ACC ON
					ACCIN
118						NCO		O	Not used. (Open)
119						VSS		—	Ground pin
120						NCO		O	Not used. (Open)

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