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SECTION 4
INTERFACE, IC PIN FUNCTION DESCRIPTION
Pin No. Signal I/O Function
1 S SEL F I S-INPUT SELECT (FRONT)
2 S SEL R I S-INPUT SELECT (REAR)
3 ST I TU STEREO MODE
4 BIL I TU BILINGUAL MODE
5 DGC SW – DGC ON/OFF CONTROL
6 ST/ MONO I SET MODE STEREO/MONO
7– –
8 MAIN /SUB O TU MAIN/SUB CONTROL
9 F MONO O TU FOCE MONO CONTROL
10 VM SW O VM ON/OFF CONTROL
11 GP A I "REC PON" SW A
12 GP B I "REC PON" SW B
13 GP C I "REC PON" SW C
14 ASURA CS O CHIP SELECT FOR ASURA
15 SLAVE RESE O RESET FOR ASURA
16 J CLK O JUST CLOCK DISABLE ("H" : DISAB)
17 FACT I FACTORY MODE
18 1TU /2TU I SET MODE 1TU/2TU
19 JUST CLOCK I JUST CLOCK DET INPUT
20 SIRCS I REMOCON SIGNAL IN
21 HSYNC 1 I H SYNC DET INPUT (REC)
22 HSYNC 0 I H SYNC DET INPUT (TV)
23 SI I SIGNAL DATA INPUT
24 SO O SIGNAL DATA OUTPUT
25 SCK O SIGNAL CLOCK OUTPUT
26 Vss –
27 B INT I BUS INT
28 X TAL –
29 EXTAL –
30 RESET –
31 A MUTE O AUDIO MUTE
32 CLK OS O CHIP SELECT FOR RT CLOCK
33 KEY2 I KEY SCAN 2
34 KEY1 I KEY SCAN 1
35 AFT1 I AFT DET 1
36 AFT0 I AFT DET 0
37 OVP I OVP DET
38 G SW I "REC PON" SW
39 XLC –
40 EXLC –
41 OSD R –
42 OSD G –
43 OSD B –
44 I –
45 YS –
46 YM –
47 SDA1 O 1
2
C BUS DATA FOR YCJ etc
48 SDA0 O 1
2
C BUS DATA FOR NVM
49 SCL1 O 1
2
C BUS CHECK FOR YCJ etc
50 SCL0 O 1
2
C BUS CHECK FOR NVM
51 LED2 O POWER LED
52 LED1 O STBY LED
53 NS O NS COIL CONTROL (PWM)
54 VOL O VOLUME CONTROL (PWM)
55 MP –
56 NC –
57 Vdd –
58 Vss –
59 HPULSE I
60 VPULSE I
61 CRTPOW O CRT POWER ON
62 VCRPOW O VCR POWER ON
63 M SW I MAIN SW
64 SP MUTE O SPEAKER MUTE
4-1. µ-COM PORT FUNCTION DESCRIPTION (MA10 BOARD IC001)