6.1. MAIN BLOCK
IC601 C2BBGG000014
Pin
No.
Name Descripotion I/O VolT (V)
FM AM Tap
e
1 RES Reset Input I 4.9 4.9 4.9
2XTAL X-tal I 1.6 1.6 1.6
3EXTAL X-tal I 2.3 2.3 2.3
4 MD1 Connect to Vdd ─4.9 4.9 4.9
5 MD0 Connect to Vdd ─4.9 4.9 4.9
6 NMI Connect to Vdd ─4.9 4.9 4.9
7STBY Connect to Vdd ─4.9 4.9 4.9
8 VDD Power Supply (+5V) ─4.9 4.9 4.9
9 CD-CLK Clock Input (from CD
Changer)
I 0 0 0
10 CD-DATA Data Input (from CD Changer) I 0 0 0
11 CD-REMO Data Output (to CD Changer) O 4.9 4.9 4.9
12 GND Connect to Ground ─0 0 0
13 ANT-CONT F. Antenna Votage Contorol O 4.6 4.6 4.6
14 TIM MON
IN
TIM Memory status Input ─0 0 0
15 S CONT
ON/OFF
S. CONT status monitor I 0 0 0
16 T MUTE
ON/OFF
T. MUTE status monitor I 4.9 4.9 4.9
17 N CONT
ON/OFF
NAVI. MUTE status monitor I 4.9 4.9 4.9
18 BATT DET Low Votage detect I 4.9 4.9 4.9
19 CONT S.Cont T.Mute N.Cont Signals
Detect
I 4.9 4.9 4.9
20 P-ON POWER Switch ON/OFF
detect
I 0 0 0
21 LED CLK Clock Output (to LED) O 0 0 0
22 LED
DATA/LCD
SID
Data Output (to LED TIM
LCD)
I 4.9 4.9 4.9
23 VOL UP Volume Up Signal Input I 0 0 0
24 VOL DOWN Volume Down Signal Input I 4.9 4.9 4.9
25 LCD
SCLK/E2
CLK
Clock Output (to LCD E2 TIM) O 4.9 4.9 4.9
26 LCD CS LCD Chip Select O 4.9 4.9 0
27 R CLK R. Clock Output O 4.9 4.9 4.9
28 RDS CLK Clock Input (for RDS) I 2.5 0 2.5
29 VDD Power Supply (+5V) ─4.9 4.9 4.9
30 V CONT Signal Strength level Input I 0.4 0.4 0.4
31 MP Multi-path Signal Input I 0 0 0
32 NOISE Noise level Signal Input I 1.3 0 1.3
33 P SENSOR
IN
Photo Sensor Signal Input I 0 0 0
34 +B
MONITOR
+B Voltage Monitor I 3.4 3.4 3.4
35 SP-OUT R SP Output Input (for Self
Check function)
I 2.9 2.9 2.9
36 F-ANT ANT+ Shor detect (for Self
Check function)
I 1.5 1.5 1.5
37 SP-OUT L SP Output Input (for Self
Check function)
I 2.9 2.9 2.9
38 GND Connect to Ground ─0 0 0
39 RDS DATA Data Input (for RDS) I 2.5 0 2.5
40 LCD SOD Data Input (from LCD) I 4.9 4.9 4.9
41 LCD RESET Reset Output (to LCD) O 4.9 4.9 4.9
42 STANDBY Power Control Output (for
Audio Circuit)
O 4.9 4.9 4.9
43 RADIO ON RADIO ANT VAR ON Signal
Output
O 4.6 4.6 4.6
44 TIM ST Strobe Signal for TIM O 0 0 0
Pin
No.
Name Descripotion I/O VolT (V)
FM AM Tap
e
45 P-ON H LCD INDICATOR Illumination
ON Signal
O 4.9 4.9 4.9
46 WARNING
TONE(NC) ─ ─ ─ ─ ─
47 VDD Power Supply (+5V) ─4.9 4.9 4.9
48 E2 DI Data Output (to EEPROM) O 0 0 0
49 E2 CE Chip Enable Output (to
EEPROM)
O 0 0 0
50 GALA GALA Signal Input I 0 0 0
51 AF MUTE Audio Mute Signal Output O 4.9 4.9 4.9
52 MUTE Mute Signal Output (for Audio
Power Amp.)
O 4.9 4.9 4.9
53 E2 DO Data Input (from EEPROM) I 0 0 0
54 E-VOL
DATA
Data Output (to Main Volume
Control)
O 0 0 0
55 E-VOL CLK Clock Output (to Main Volume
Control)
O 0 0 0
56 GND Connect to Ground ─0 0 0
57 PLL DI Data Output (to PLL) O 0 0 0
58 PLL DO Data Input (from PLL) I 4.9 4.9 4.9
59 PLL CLK Clock Output (to PLL) O 0 0 0
60 PLL CE Chip Enable Output (to PLL) O 0 0 0
61 MON Tape Deck Powr ON control
Output
O 4.9 4.9 4.9
62 TMS Tape Music Sensor Signal
Input
I 0 0 0
63 A/B OUT Tape Play Side (A/B) Select
Signal Output
O 0 0 4.9
64 DOLBY Doby ON/OFF Signal Output O 0 0 4.9
65 PLAY SW Play SW Signal Input (from
Tape Deck)
I 0 0 0
66 DATA OUT Data Output (to Tape Deck) O 0 0 0
67 T MONITOR Thermal Sensor Input (from
Tape Deck)
I 4.9 4.9 4.9
68 DATA IN Data Input (from Tape Deck) I 4.9 4.9 4.9
69 T ENA Tape Deck Enable O 4.9 4.9 4.9
70 SV ST Strobe Output (to Sub Volume
Conttol)
O 0 0 0
71 SV CLK Clock Output (to Sub Volume
Conttol)
O 0 0 0
72 SV DATA Data Output (to Sub Volume
Conttol)
O 0 0 0
73 GND Connect to Ground ─0 0 0
74 S-uCOM
CLK
Clock Output (to Sub CPU) O 4.9 4.9 4.9
75 S-uCOM
DATA OUT
data Output (to Sub CPU) O 4.9 2.5 1.7
76 S-uCOM
DATA IN
Data Input (form Sub CPU) I 4.9 2 2
77 ESET OUT Reset Output (to Sub CPU) O 4.9 4.9 4.9
78 K-LINE OUT Serial Data Output (to Car
System)
O 4.9 4.9 4.9
79 K-LINE IN Serial Data Input (from Car
System)
I 4.9 4.9 4.9
80 CLK I/O Clock In/Out (for Tape Deck) I/O 4.9 4.9 4.9
6 TERMINALS DESCRIPTION
6
AUDI / CQ-LA1923L
