5
4 Technical Descriptions
4.1. Terminals Description
4.1.1. Main Block
IC601 ：
：：
： UPD70F32XXXB
Pin
No.
Port Description I/O Vol (V)
FM AM DVD
1 AVREF0 Reference voltage for A/D
converter
-3.33.33.3
2 AVSS Ground for A/D converter - 0 0 0
3 FREQ_CNT Output for control of fre-
quency of DCDC
O1.51.51.5
4 TFT_RST RESET of TFT O 3.3 3.3 3.3
5 AVREF1 Reference voltage for A/D
converter
-3.33.33.3
6 MONI_CNT TFT monitor power supply
control output
O2.52.52.5
7 Touch_SW Switch output for touch
panel SW detection
O2.82.82.8
8 IC/FLMD0 Flash memory update con-
trol
-000
9 VDD +3.3V power supply - 3.3 3.3 3.3
10 REGC Bypass capacitor terminal
for voltage reg.
-2.52.52.5
11 VSS Ground - 0 0 0
12 X1 Crystal osillator terminal for
Main
I1.21.21.2
13 X2 Crystal osillator terminal for
Main
-1.31.31.3
14 RESET System reset I 3.3 3.3 3.3
15 XT1 Crystal osillator terminal for
Sub
I000
16 XT2 Not connected - - - -
17 X+ Transistor SW output for
touch panel X respect + pole
O3.33.33.3
18 Y+ Transistor SW output for
touch panel Y respect + pole
O3.33.33.3
19 X- Transistor SW output for
touch panel X respect-pole
O0 0 0
20 Y- Transistor SW output for
touch panel Y respect-pole
O0 0 0
21 INV_PWR Inverter power supply con-
trol output for monitor
O3.33.33.3
22 D_SDA I2C clock 2 O 3.3 3.3 3.3
23 D_SCL I2C data 2 O 3.3 3.3 3.3
24 N.C. - - 0 0 0
25 RDS_DATA Not connected - - - -
26 RDS_CLK Not connected - - - -
27 LED_ON LED control for SW sub-
strate
O3.33.33.3
28 REMO_DAT
A
External remote control sig-
nal input
I3.33.33.3
29 REMO_OUT Remote control code output O 3.3 3.3 3.3
30 REQUEST I2C communication request
(DVD module)
O0.10.10.1
31 NEJECT Output for compulsion eject O 3.3 3.3 3.3
32 LOADSW Loading SW I 0 0 0
33 EVSS Grand potential for external - 0 0 0
34 EVDD Positive power supply for
external
-3.33.33.3
35 I2C_DATA I2C bus data output/ACK
detection
O3.33.33.3
36 I2C_CLK I2C bus clock output O 3.3 3.3 3.3
37 BEEP Beep correspondence title
output
O0 0 0
38 CN_DET1 Input 1 for connector con-
nection confirmation
I000
39 PLL_CE Chip enable output for
PLL_IC communication
O0 0 0
40 PLL_SI Cereal data input for PLL_IC
communication
I3.33.33.3
41 PLL_SO Cereal data output for
PLL_IC communication
O0 0 0
42 PLL_CLK Cereal clock output for
PLL_IC communication
O3.33.33.3
43 E_SDA I2C clock 2 O 3.3 3.3 3.3
44 E_SCLK I2C data 2 O 3.3 3.3 3.3
45 MVR_DC PWM output for mechanism
control
O3.73.73.7
46 PULSE Monitor start-up position
detection pulse signal input
I5.15.15.1
47 DECK_RST Reset output of DVD module O 3.3 3.3 3.3
48 FRG_IN Input for frequency count of
DCDC
I1.51.51.5
49 SRC_LED SRC button LED O 3.3 3.3 3.3
50 SRC_KEY SOURCE key detection I 3.3 3.3 3.3
51 SD Input for electric field
strength detection
I5.25.24.5
52 SYS_MUTE System mute signal output O 0 0 0
53 PR4_SI Disc Chucking SW I 3.3 3.3 3.3
54 PR4_SO Inner Limit SW I 0 0 0.35
55 PR4_SCK 8cm Eject SW Output or
Forced Eject Input
I/0 3.3 3.3 3.3
56 BATT_SENS
E
Battery level detection I 3.3 3.3 3.3
57 ACC_SENS
E
ACC level detection I 5.4 5.4 5.4
58 PANEL_DET Input for Detatchapanel
detection
I000
59 SYS_PWR System power control O 3.3 3.3 3.3
60 VideoSW1 SW1 for VideoSW switch O 3.3 3.3 3.3
61 VideoSW2 SW2 for VideoSW switch O 3.3 3.3 0
62 FAN_CNT FAN motor power supply
control
O3.33.33.3
63 REVERSE Reverse detection I 3.3 3.3 3.3
64 EJECT_LED EJECT button LED O 0 0 0
65 SIDE_BRAK
E
Parking brake detection I 0 0 0
66 NC Insertion entrance LED con-
trol when 2Din opens
O0 0 0
67 AMP_CNT Amplifier control output O 3.3 3.3 3.3
68 ANT_CNT Antenna control output O 3.3 3.3 0
69 BVSS Ground for bus I/F - 0 0 0
70 BVDD Power supply for bus I/F - 3.3 3.3 3.3
71 PUSH_SW Signal input for rotary SW I 3.3 3.3 3.3
72 ROTARY.1 Rotary encoder signal (VOL
UP)
I3.33.33.3
73 ROTARY.2 Rotary encoder signal (VOL
DOWN)
I3.33.33.3
74 INIT_DET_2 Destination detection 2 I 0 0 0
75 INIT_DET_1 Destination detection 1 I 0 0 0
76 FLMD1 - - 0 0 0
77 REMO_CUT External remote control out-
put stop signal output
O0 0 0
78 HSD P.IC abnormality detection
check
I3.33.33.3
79 AMP_STB Built-in power amplifier con-
trol output
O0 0 0
80 AMP_MUTE Built-in power amplifier mute
output
O0 0 0
81 FRAM_HOL
D
Not connected - - - -
82 FRAM_CLK Not connected - - - -
83 FRAM_DO Not connected - - - -
84 FRAM_CS Not connected - - - -
Pin
No.
Port Description I/O Vol (V)
FM AM DVD
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