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9. TERMINALS DESCRIPTION
9.1. Main Block
IC601 : YESAM285
Port
Pin
No.
1 (NC)
2 VSM
Radio signal
strength
3 SD/ST
Radio station
detect
4 AVSS
Ground
5 SCL
Audio control serial
clock
6 SDA
Audio control data
7 AVREF
(Conecting to +5V)
8 CD SO
CD data output
9 CD SI
CD data input
10 CD SCK
CD clock
11 CDC DATA/
CD changer data/
XM-TX SO
XM radio TX signal
12 XM-RX SI
XM radio RX signal
13 CDC CLK
CD changer clock
14 CDC REM
CD changer remote O 4.8 4.8 4.8
15 BZ OUT
Buzzer out
16 LCD DO
LCD data
17 LCD DI
LCD data
18 LCD CLK
LCD Clock
19 CD AO
CD mute
20 CD RST
CD reset
21 CD STB
CD strobe
22 CDC SENS
(NC)
23 PLL DO
PLL data
24 PLL CLK
PLL data clock
25 PLL DI
PLL data
26 PLL CE
PLL chip select
27 (NC)
28 (NC)
29 (NC)
30 (NC)
31 (NC)
32 (NC)
33 VSS1
Ground
34 RDS DATA RDS data
35 S-LED
LED control
36 LCD CE
LCD chip enable
Description
I/O
-
-
I
I
-
O 4.9 4.9 4.9
O 4.9 4.9 4.9
-
I
O
O 4.7 4.7 4.7
I
O 4.8 4.8 4.8
I
O 4.4 4.4 4.4
I
O 4.7 4.7 4.7
O 4.8 4.8 4.8
I
O 4.8 4.8 4.8
I
-
-
I
O 4.8 4.8 4.8
O
O
-
-
-
-
-
-
-
-
-
-
-
-
-
I
O
O
(V)
FM AM CD
-
-
-
0
0
0
0.3 0 0.8
0
0
0
4.9 4.9 4.9
2.1 2.3 1.7
0
0 3.3
0
0
0
0
0
0
4.8 4.8 4.8
0
0 4.8
3.7 3.7 3.7
-
-
-
4.9 4.9 4.9
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
2.8 0
0
0
0
0
0
0
0
6
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