33
XP-ZR810
5-12.
IC PIN FUNCTION DESCRIPTION
• IC3
TC9327AF-04CDW DTS MICRO CONTROLLER (MAIN Board)
Pin No.
1 to 4
5 to 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
I/O
O
O
I
O
O
I
I
O
O
I
I
I/O
O
O
I
I
I
I
I
O
I
—
O
I
I
I
—
I
O
I
O
O
I
O
O
O
O
I
I
O
O
O
O
O
—
I
O
—
Pin Name
COM1 to COM4
S1 to S16
MODEL1
RE2
RE1
MODEL2
DESTVSS_O
A0_O
CS_O
LCD-REQ_I
XLID-OPEN_I
EEP DO/DI-IO
EEP-SK_O
EEP-CS_O
XL/O-I
RM-KEY_I
DEST
AD-KEY3_I
KEY2
TU ON_O
CD ON_I
TU-AVLS_O
TV-L-ON_O
AD-KEY1_I
BATT_I
HIDC_I
AD-DC_REF
CDU-SDI_I
CDU-SDO_O
CDU-SCK_I
TU-BEEP_O
VOL-PWM_O
TU-HOLD_I
BAND-CTL2_O
BAND-CTL1_O
ACK-CD_O
MONO/
LOCAL-CTR_O
S/W IDEN_I
XTU-TEST_I
XTU-BASS1_O
XTU-BASS2_O
+B ON/OFF-O
IF-REQ_O
TU-MUTE_O
TEST
IF_I
EO(DO1)_O
NC(DO2)
Description
LCD drivers (not used (open))
LCD drivers (not used (open))
Key setting selector signal input (fixed at “L”)
Not used (open)
AM mode DD con on/off control signal output
Not used (fixed at “L”)
Local/DX or Mono/Stereo ON-Off switch detection signal input
A0 signal output to the LCD unit
Chip select signal output to the LCD unit
LCD display request signal from the IC801
CD lid open/close detection signal input
Data input/output for EEPROM (not used (open))
Clock output for EEPROM (not used (open))
Chip select signal output for EEPROM
Line out jack detection signal input (fixed at “L”)
Key signal input from the remote commander (fixed at “L”)
Destination detection signal input
Key signal input (not used (open))
Key signal input
Radio mode status signal output to the IC801
CD ON request signal input from the IC801 (Wakeup TU in sleep mode)
Not used (open)
TV-L (ch 2, 3 and 4) selection switch control signal output (not used (open))
Key signal input from the function keys
Battery voltage detection signal input (external DC 1.5V as reference)
HiDC voltage detection signal input
DC reference of A/D converter (used for HiDC and batt detection with external DC 1.5V as reference)
Serial data input from the IC801
Serial data output to the IC801
Serial clock input from the IC801
Beep sound signal output to the headphone amplifier
PWM volume control signal output
HOLD switch detection signal input from the S810
BAND CONTROL 2 signal output
BAND CONTROL 1 signal output
CD acknowledge and status signal output to the IC801
Local/DX or Mono/Stereo ON-Off control signal output
Switch signal input (fixed at “H”)
TU test mode detection signal input (“L” : active)
Bass On (sound mode) control signal output
Bass H/L (sound mode) control signal output
Radio power On/Off control signal output (VCO and IF amplifier block)
IF request signal output
Tuner muting control signal output
Not used (open)
TV/WB/FM/AM IF signal input
PLL error signal output
Not used (open)