1-28 (No.49873)
4.6
UPD784215AGC226 (IC701) : Main micon
• Pin layout & Block diagram
• Pin function
1
26
50
51
75
100
76
25
Pin No.
Symbol
I/O Function
1
TAPE IN
I
Cassette tape inside signal H:Inside L:Outside
2
STAND BY
I
Stand-by position detection signal input H:Loading L:Eject side
3 to 8
no use
-
Not used
9
VDD
Micon power supply
10
X2
11
X1
12
VSS
GND
13
XT2
14
XT1
15
RESET
I
System reset
16
Steering
I
Steering remocon input
17
BUS-INT
I
J-BUS INT
18
PS2
I
Power save2 H means STOP mode
19
no use
-
Not used
20
RDS-SCK
I
RDS clock input
21
RDS DA
I
RDS data input
22
REMOCON
I
Remocon input
23
AVDD
A/D converter power supply
24
AVREF0
A/D reference voltage
25
VOL,1
I
Volume encoder pulse input 1
26
VOL,2
I
Volume encoder pulse input 2
27
KEY0
I
Key input 0
28
KEY1
I
Key input 1
29
KEY2
I
Key input 2
30
LEVEL
I
Level meter input
31
SQ
I
S.Quality level input
32
SM
I
S.METER input
33
AVSS
GND
34,35
no use
-
Not used
36
AVREF
37
BUS-SI
I
J-BUS data input
38
BUS-SO
O
J-BUS data output
39
BUS-SCK
I/O J-BUS clock input/output
40
BUS-I/O
O
J-BUS selection output;Hinput L
41
LCD-DA
O
Data output for LCD driver
42
LCD-SCK
O
CLK output for LCD driver
43
LCD-CE
O
CE for LCD driver
44
no use
-
Not used
45
E2PROM-DI
I
I2C data input
46
E2PROM-DO
O
I2C data output
47
E2PROM-CLK
O
I2C clock output
48
OPEN
I
DOOR OPEN SW
49,50
no use
-
Not used
