Onkyo TX-L55

Q801:MPD780232GC-091-8BT(Sub-micro processor)
TX-L55/LR552
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
51
52
53
54
55
56
57
58
59
60
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
NC
NC
P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
VDD2
VDISP
Symbol
5V
GND
CLOCK
CLOCK
FARIC
~RESET
SUBCL
SUBSI
SUBSO
SUBREQ
VOLA
VOLB
STLED
LED1
~IRIN
LED2
LED3
AVSS
K3
K2
K1
K0
VSS
AVDD
VDD
Not used.
Segment output pin P35
Segment output pin P34
Segment output pin P33
Segment output pin P32
Segment output pin P31
Segment output pin P30
Segment output pin P29
Segment output pin P28
Segment output pin P27
Segment output pin P26
Segment output pin P25
Segment output pin P24
Segment output pin P23
Segment output pin P22
Segment output pin P21
Segment output pin P20
Segment output pin P19
Segment output pin P18
Segment output pin P17
Segment output pin P16
Segment output pin P15
Segment output pin P14
Segment output pin P13
Segment output pin P12
Segment output pin P11
Segment output pin P10
Segment output pin P9
Segment output pin P8
Segment output pin P7
Segment output pin P6
Segment output pin P5
Positive power supply (+5V)
Negative power supply
Description
No.
Symbol Description
Positive power supply (+5V)
Ground pin
Oscillator connection pin
Oscillator connection pin
Not used.
System reset pin
Transfer clock input pin from main
micro processor
Transfer data input pin from main
micro processor
Data input pin to main micro processor
Transfer data ready input pin from main
micro processor
Pulse signal input pin from rotary
encoder
Pulse signal input pin from rotary
encoder
Not used.
LISTENNING MODE LED control pin
INPUT DOWN LED control pin
Power supply pin for A/D converter
Key input pin 3
Key input pin 2
Key input pin 1
Key input pin 0
Ground pin
Power supply pin for A/D converter
Positive power supply (+5V)
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
P4
P3
P2
P1
P36
NC
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
Segment output pin P4
Segment output pin P3
Segment output pin P2
Segment output pin P1
Not used.
Grid output pin 14G
Grid output pin 13G
Grid output pin 12G
Grid output pin 11G
Grid output pin 10G
Grid output pin 9G
Grid output pin 8G
Grid output pin 7G
Grid output pin 6G
Grid output pin 5G
Grid output pin 4G
Grid output pin 3G
Grid output pin 2G
Grid output pin 1G
I
I
I
I
I
I
I
I
I
I
O
I
I
I
I
I
I
I
I
I
I
---
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I/O I/O
50
Segment output pin P36
Not used.
---
STANDBY LED control pin
INPUT UP LED control pin