Read Sony ICD-P27 Service Manual online
12
ICD-P27
Pin No.
Pin Name
I/O
Pin Description
104
DSPIFACK
I
DSP I/F acknowledge signal input
105
DVCC
—
Power supply pin
106
DVSS
—
Ground pin
107
XTALIN
I
Main oscillator input pin
108
XTAL
O
Main oscillator output pin
109
XINTUSB
I
Interruption request signal input from the USB driver IC (IC8101)
110
XUSBVBUS
I
VBUS detection interruption request signal input from the USB driver IC (IC8101)
111
XRTCINTR
I
Constant cycle interruption signal input from the real time clock IC (IC703)
112
HOLDSW
I
Hold switch signal input (interruption)
113
AMPPWR
O
Power control signal output to the power amp IC (IC110)
114
XMICPWR
O
Power control signal output for microphone
115
GRNLED
O
LED drive signal output to the green LED (D701)
116
REDLED
O
LED drive signal output to the red LED (D701)
117
DSPPWR
O
Power supply circuit control signal output for DSP IC (IC101)
118
DSPIFRW
O
I/F RW signal output to the DSP IC (IC101)
119
DSPSIN
I
Serial data signal input from the DSP IC (IC101)
120
DSPSOT
O
Serial data signal output to the DSP IC (IC101)
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