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I/O
Pin
Terminal
No.
Name
65 PWMSEL
-
Connected to GND
66 SMCK
O
System clock signal output
67 DMUTE
-
Connected to GND
68
STAT
O
Status signal output terminal
69
NRST
I
Reset signal input terminal
70 SPPOL
O
Spindle motor drive signal
output terminal
71 PMCK
O
Clock signal output
72 DQSW/
-
Not used, open
/
NCLDCK
73
SUBC
-
Not used, open
74
SBCK
-
Not used, open
75 NTEST
I
Test terminal (Connected to
power supply)
76
X2
O
Crystal oscillator connected (F=
16.9 MHz)
77
X1
I
78 DV
-
GND
1
SS
79 DV
I
Power supply terminal
1
DD
80
EXT2
-
Not used, open
14.4. IC1301(C2FBEB000002): / System Control/LCD Drive
I/O
Pin
Terminal
No.
Name
1
COM0
|
|
O
LCD common signal output
4
COM3
5
S0
|
|
O
LCD segment signal output
22
S17
23 RADIO
I
Radio key signal input
/ KEY
24 CDPLAY
I
Play key signal input
/ KEY
25 SELECT2
I
Not used, connected to GND via
resistor
26
TCS
O
EEPROM chip select signal
output
27
I
Power supply terminal
V
DD
28
BUZ
O
Beep control signal output
29
CITY
O
City/normal select signal output
30 MONO
O
Forced monaural signal output
Function
Function
29
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