Aiwa XD-DV370 Service Manual page 56

IC DESCRIPTION - 9/11(LC866112B-5N21)-1/2
Pin No. Pin Name
1 P35
2 P36
3 P37
4 PWM1
5 TEST1
_______
6 RES
7 XT1
8 XT2
9 VSS
10 CF1
11 CF2
12 VDD
13 P80
14 P81
15 P82
16 P83
17 P84
18 P85
19 P86
20 P87
21 MODE SW
22 M REQ
23 P72
24 P73
25 G1
26 G2
27 G3
28 G4
29 G5
30 G6
31 G7
32 P1
33 P2
34 P3
35 P4
36 P5
37 P6
38 P7
39 P8
40 P9
41 VPP
42 VKK
I/O
______
I Select DOWN SW input from SW914
I Enter SW input from SW910
I Select right SW input SW911
O Not used.
– Not used. (TEST port)
I Reset signal input from IC902 3pin
I Not used. (Input for 32.768 kHz crystal oscillation)
O Not used. (Output for 32.768 kHz crystal oscillation)
– Ground
I Ceramic resonator X501 (6 MHz) oscillation input
O Ceramic resonator X501 (6 MHz) oscillation output
– Vcc (5 V)
I Key in input from SW901 ~ SW908
I
Reserved
I
I Shuttle 3 line A/D input
I
I
Reserved
I
I
I/O "LOW" at program download mode
I Request signal (active "LOW") from IC501 (Main µ-COM, HD64173034AFI20)
I Not used.
I Remocon receiver signal input
O
O
O
O VFD display control signal output. DIG901 G1 to G7
O
O
O
O
O
O
O
O VFD display control signal output. DIG901 P1 to P9
O
O
O
O
I Vcc (5 VAU)
I -24 V input
Description
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