– 31 –
Pin No.
Pin Name
I/O
Function
54
NC
—
Not used for this set (Open)
55
LCD13
O
Output of segment signal to the LCD
56
NC
—
Not used for this set (Open)
57
CE
O
Output of chip enable control signal
58
RQT
I
Input of request signal for MB89133LPFV communication
59
NC
—
Not used for this set (Open)
60
BEEP
O
Output of beep sound
61
PRE AMP CTL
O
Preamplifier output switching
“ L ”: TC, “ H ”: RADIO
62
DDC (TC) ON
O
Output of DC-DC converter control signal
63
TC CLK
O
Communication clock input/output terminal
64
TC DATA
I
Communication data input/output terminal
Summary of Contents for Walkman WM-FX855
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