41
ZS-S50CP
Pin No.
Pin Name
I/O
Description
67
CCEN
O
Chip enable signal output to the CD-MP3 processor
68
REQ
I
Request signal input from the CD-MP3 processor
69
MMUTE
O
Muting signal output to the coil/motor driver
70
MP3/CD-RST
O
System reset signal output to the CD-MP3 processor "L": reset
71 to 76
NC
-
Not used
77
XRESET
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
78 to 80
NC
-
Not used
81
VSS
-
Ground terminal
82
X0
I
System clock input terminal (5.53 MHz)
83
X1
O
System clock output terminal (5.53 MHz)
84
VCC
-
Power supply terminal (+3.3V)
85
CLKSFT-AM
O
Oscillation frequency selection on/off control signal output terminal for AM
86
CLKSFT-FM
O
Oscillation frequency selection on/off control signal output terminal for FM
87, 88
NC
-
Not used
89
O-TRY-CLS
O
Loading motor control signal output terminal (for loading in)
90
O-TRY-OPN
O
Loading motor control signal output terminal (for loading out)
91
I-TRY-CLS
I
Disc tray close position detection signal input terminal
92
I-TRY-OPN
I
Disc tray open position detection signal input terminal
93 to 95
NC
-
Not used
96
TU-CE
O
Chip enable signal output to the FM/AM PLL "L" active
97
TU-DATA
O
Serial data output to the FM/AM PLL
98
TU-CLK
O
Serial data transfer clock signal output to the FM/AM PLL
99
TU-COUNT
I
Serial count data input from the FM/AM PLL
100
TU-BMUTE
O
Tuner muting on/off control signal output to the FM/AM PLL "H": muting on
