– 60 –
Pin No.
Pin Name
I/O
Function
69
FLASH-W
I
Internal flash memory data write mode detection signal input terminal “L”: data write mode
Not used (fixed at “H” in this set)
70
IIC SIO
I/O
Two-way data bus with the RDS decoder (IC150)
71
IIC CKO
O
Bus clock signal output to the RDS decoder (IC150)
72
RC-IN1
I
Rotary remote commander shift key input terminal “L”: shift
73
X1A
O
Sub system clock output terminal (32.768 kHz)
74
X0A
I
Sub system clock input terminal (32.768 kHz)
75
DAVN
I
Data transmit completed detect signal input from the RDS decoder (IC150) “H” active
76
KEYACK
I
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”
77
BU-IN
I
Battery detect signal input from the SONY bus interface (IC602) and battery detect circuit
“L” is input at low voltage
78
ILL IN
I
Auto dimmer control illumination line detection signal input terminal
“L” is input at dimmer detection
79
TEL-ATT
I
Telephone muting signal input terminal At input of “H”, the signal is attenuated by –20 dB
80
NOSESW
I
Front panel block remove/attach detection switch (SW500) input terminal
“L”: front panel is attached
81
ACC IN
I
Accessory detect signal input terminal “L”: accessory on
82 to 85
TIR-D0 to TIR-D3
I/O
Two-way data bus with the MSM6688GS (IC100)
86
HSTX
I
Hardware standby input terminal “L”: hardware standby mode Reset signal input in this set
87
MD2
I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
88
MD1
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
89
MD0
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
90
RESET
I
System reset signal input from the reset signal generator (IC500) and reset switch (SW800)
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
91
VSS
—
Ground terminal
92
X0
I
Main system clock input terminal (3.68 MHz)
93
X1
O
Main system clock output terminal (3.68 MHz)
94
VCC
—
Power supply terminal (+5V)
95
TIR-BUSY
I
Busy detection signal input from the MSM6688GS (IC100)
“H” is output while MSM6688GS (IC100) is executing a command
Data write strobe signal output to the MSM6688GS (IC100)
“L” is output when data (D0 to D3) are output to the MSM6688GS (IC100)
Reset signal output to the MSM6688GS (IC100) “H”: reset
Power down control signal output to the MSM6688GS (IC100) “L”: power down
102
MTLIN
I
Metal detection signal input terminal “L”: normal position, “H”: metal position
103
AMSIN
I
Whether a music is present or not from CXA2510AQ (IC250) is detected at auto music sensor
“L”: music is present, “H”: music is not present
104
REEL
I
Rotation detect signal input from supply reel sensor and take-up reel sensor on the deck
mechanism
105
POS0
I
106
POS1
I
107
POS2
I
108
POS3
I
Chip enable signal output to the MSM6688GS (IC100)
TIR-WR (pin
(§
) or TIR-RD (pin
`⁄‚⁄
) is accepted when CE is “L” or CE is “H” respectively
(§
) or TIR-RD (pin
`⁄‚⁄
) is not accepted when CE is “H” or CE is “L” respectively
Tape position (EJECT/FF/REW/
REV/FWD mode) detect input from
the tape operation switch on the deck
mechanism
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS3: “L”: REV and EJECT mode, “H”: others mode
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