31
ZS-SN10
Pin No.
Pin Name
I/O
Description
1 to 6
NC
—
Not used
7
EEP-SCL
O
Serial clock signal output terminal to the EEPROM
8
EEP-SDA
I/O
Two-way serial data bus with the EEPROM
9
VOL-DATA
O
Serial data output to the electrical volume
10
VOL-CLK
O
Serial data transfer clock signal output to the electrical volume
11
VSS
—
Ground terminal
12 to 14
SIMUKE1 to SIMUKE3
I
For destination setting terminal
15
MEGABASS
O
MEGABASS on/off control signal output terminal
16
TESTA
I
For CD test setting terminal Fixed at “H” in this set
17
TESTB
I
For LCD test setting terminal Fixed at “H” in this set
18
SENS
I
Internal status (SENSE) signal input from the CD DSP
19
DATA
O
Serial data output to the CD DSP
20
CLOK
O
Serial data transfer clock signal output to the CD DSP
21
A-MUTE
O
Audio muting on/off control signal output terminal “H”: muting
22
P-CON
O
Power control signal output terminal “H”: active
23
VCC5
—
Power supply terminal (+3.3V)
24
TU-ON
O
Tuner power on/off control signal output terminal “H”: tuner on
25
CD3.3V-ON
O
CD power on/off control signal output terminal “H: CD on
26
BACKUP-ON
O
CD power select signal output terminal for power off state “L”: power off state
27
R-COUNT
I
PLL serial count data input terminal
28
R-DATA
O
PLL serial data output terminal
29
R-CLOCK
O
PLL serial data transfer clock signal output terminal
30
R-CE
O
PLL chip enable signal output terminal
31
R-MUTE
O
Tuner muting on/off control signal output terminal “H”: active
32
VM-CONT
O
Battery middle voltage (+4.5V) detection circuit control signal output terminal
33, 34
NC
O
Not used
35
AVCC
—
Power supply terminal (+3.3V) (for A/D converter)
36
AVRH
I
Reference voltage input terminal (+3.3V) (for A/D converter)
37
AVSS
—
Ground terminal (for A/D converter)
38
NC
O
Not used
39
KEY1
I
Key input terminal (A/D input)
40
KEY2
I
Key input terminal (A/D input)
41
KEY0
I
Key input terminal (A/D input)
42
VSS
—
Ground terminal
43
3.3V-CHECK
I
CD power voltage detection signal input terminal
44
VOL-CHECK
I
Electrical volume power voltage detection signal input terminal
45
VH
I
Battery high voltage (+9V) detection signal input terminal
46
VM
I
Battery middle voltage (+4.5V) detection signal input terminal
47, 48
P80, P81
I
Not used
49 to 51
MD0 to MD2
I
For mode setting terminal
52
WP
I
Key interruption processing start signal input terminal
53
CD DOOR
I
CD lid open/close detection switch input terminal “L”: CD lid is close
54
AC-IN
I
AC voltage detection signal input terminal “L”: AC in
55
XLAT
O
Serial data latch pulse output to the CD DSP
56
SCOR
I
Subcode sync (S0+S1) detection signal input from the CD DSP
57
IREQ
I
Codec data request signal input from the CD DSP
58
IDATA2
I
Codec serial data input from the CD DSP
59
ODATA2
O
Codec serial data output to the CD DSP
MAIN BOARD IC801 MB90483BPF-G-153E1 (SYSTEM CONTROLLER)
Ver. 1.3