Kenwood DPC-193 - Circuit Description

DPC-193/392/393/395/692/792/793/993
3
CIRCUIT DESCRIPTION
Pin No. Name I/O Description Remarks
1-4 COM1-4 O LCD common signal
5 VLC3 – GND
6,7 VLC1,2 – LCD driving bias control
8 VDD – Power supply(+2.8V)
9 OSC2 – No use
10 SMCK I External system clock(4.2336MHz)
11 VSS – GND
12 X1 – GND
13 X0 – No use
14,15 MMOD,VREF – GND
16 KEY1 I Key input
17 KEY2 I Remocon key input port
18 RECHARGE OUT O Rechargeable detection port
19 BATT – No use
20 HOLD I Key hold on/off control ON=H
21 DOOR I Door switch detection port OPEN=H
22 DA SCST I/O DASC switch detection port(ST)
23 DA SCHI I DASC switch detection port(HI)
24 VREF+ – Power supply(+2.8V)
25 P00 – No use
26 SUBQ I Sub-Q data input signal port(to MN662746RPK1)
27 SQCK I Sub-Q data read timing clock port(to MN662746RPK1)
28 MDATA O Data signal port(to MN662746RPK1)
29 P04 – No use
30 MCLK O Clock signal port(to MN662746RPK1)
31 P06 – No use
32 RESET I System reset port
33-37 P10-14 – No use
38 BLKCK I Sub-Q signal read require port
39 P21 – No use
40 REM IN I Remocon data input port
41,42 P23,24 – No use
43 YMCLK O Clock signal port(to SM5859AF/5902AF)
44 YMDATA O Audio signal port(to SM5859AF/5902AF)
45 YMLD O Latch signal port(to SM5859AF/5902AF)
46 YD MUTE O Audio signal mute control port ON=H
47 ZSENSE O Sensitive signal port(to SM5859AF/5902AF)
48 NRESET O System reset port(to SM5859AF/5902AF)
49,50 P53,54 – No use
51 POWER O Power supply control port
52 REM DATA O Remocon data output port
53 CONT O DASC control output port(HI/ST) ON=H
54 BBS O BBS control ON=L
55 LMT I Limit switch detection port
56 EMP O Battery level detection port LOW BATT=H
1. Microprocessor : MN101C167
1-1 Pin description
DPC-193/383(k) COVER( 98.12.14 10:49 y[W 7