UX-T770R
1-31
UPD78064GF-149 (IC701) : System CPU
1.Pin layout
2.Pin function
31 ~ 50
100 ~ 81
80
51
1
30
Pin
No.
Symbol
I/O
Function
Pin
No.
Symbol
I/O
Function
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
26
27
28
I/O
O
I
-
O
-
-
I
-
I
-
I
I
-
I
O
O
O
O
O
O
O
O
O
I
O
-
I
Serial data
Serial clock
CD Q code data
Non connect
CD Q code data synchronizing clock
Connected to VSS
Main system clock
Main system clock
Power supply
Sub system clock
Sub system clock
Reset
Remote control
Non connect
Jog encoder 1
Main clock selection 2
Main clock selection 1
Switched 5V control
CD LSI reset
CD LSI command clock
CD LSI command data
CD LSI command load
Tape playback mute
Tape IC strobe
Tape end detection
Function AUX
AD converter GND
CD abnormal voltage detection
USDATA
USCK
UQRIN
UNC
USQCK
ICVSS
UX2
UX1
VDD
UXT1
UXT2
URESET
UREM
URDSCK
UJOG1
UBEAT2
UBEAT1
U+BCTL
UXRESET
UMCLK
UMDATA
UMLD
UPBMUTE
ULATCH
UREEL
UFAUX
UAVSS
USAFEYCD
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I
I
I
I
I
I
I
-
-
I
O
-
I
O
I
O
O
O
O
O
O
O
O
-
-
-
O
I
[RESET/CLOSE] switch
Abnormal voltage detection 1
Abnormal voltage detection 2
Body key input 1
Body key input 0
Tape switch 0
Tape switch 1
AD converter power supply
AD converter reference voltage
Backup power supply decision
Function tuner
GND
FM stereo detection
Tuner PLL strobe
JOG encoder 2
BASS control
TRE control
VOL.control
AHB on/off
System muting
Power ON/OFF
Function CD
LCD common
LCD bias voltage
LCD bias voltage
GND
LCD segment
LCD LSI status
URESET/CLOSE
USAFETY1
USAFETY0
UKEY1
UKEY0
UTAPE0
UTAPE1
AVDD
UAVREF
UBUP
UFTUNER
VSS
UMPX
UPERIOD
UJOGB
UBASS
UTRE
UVOL
USBASS
USMUTE
UPOUT
UFCD
COM0~3
BIAS
VLC0~2
VSS
S0~39
USTATUS
51~54
56~58
60~99
55
59
100
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