1-38
KW-XC828
UPD784215AGC173 (IC701) : Main micon
1.Pin layout
2.Pin functions(1/2)
1
~
25
75
~
51
100 ~ 76
26 ~ 50
Pin No.
1
2
3~7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
I/O
O
O
O
O
-
-
-
-
-
-
I
I
I
I
I
O
I
I
-
-
I
I
I
I
I
I
I
I
-
I
O
-
I
O
I/O
O
O
O
O
Function
Non connect
Non connect
Non connect
Mute output terminal("L" output at mute)
Connects with VDD
Connects with X'tal departure pendulum of 12.5MHz(output )(main)
Connects with X'tal departure pendulum of 12.5MHz(input )(main)
Connect with GND
Connects with X'tal departure pendulum of 32.768KHz(output)
Connects with X'tal departure pendulum of 32.768KHz(input)
System reset input terminal
Interrupt signal detection terminal from J-BUS communication
Interrupt signal detection terminal from optical remote control
ACC power supply detection terminal("L" become a holding mode
because of the input)
Backup power supply detection terminal
("L" it when backup power supply is input)
("H" input when backup power supply uninputs)
Non connect
Cassette mechanism power supply start-up demand signal input
CD mechanism power supply start-up demand signal input
(Connect witj VDD)(Power supply for the A/D converter)
(Connect with VDD)(Standard power supply for the A/D converter)
KEY0 input terminal
KEY1 input terminal
KEY2 input terminal
KEY3 input terminal
Terminal of input of voltage of S meter(Electric field strength)
Level input terminal of level meter
Voltage input terminal (Use to correct the temperature of the contrast)
from the thermally sensitive resister.
To GND with 47k
(Connect with GND)(GND for the A/D converter and the D/A converter)
Dimmer signal input terminal("L" input at dimmer)
"H" output at DIMMER ON
(Connect with VDD)(Standard power supply for the D/A converter)
Input of data J-BUS communication
Output of data of J-BUS communication
Clock output for J-BUS communication
Output of I/O switch signal of J-BUS communication
(output "H" and input "L")
data output terminal to LCD driver
Clock output terminal for communication to LCD driver
Chip enable output terminal to LCD driver
Symbol
NC
NC
NC
MUTE
VDD
X2
X1
GND
XT2
XT1
RESET
BUS INT
REMOCON
ACC DET
MEMORY DET
NC
CST P.REQ
CD P.REQ
AVDD
AVREF0
KEY0
KEY1
KEY2
KEY3
S.METER
LEVEL/ANA
TEMP
NC
AVSS
DIMMER IN
DIMMER OUT
AVREF1
BUS-SI
BUS-SO
BUS-SCK
BUS-I/O
LCD-DA
LCD-SCK
LCD-CE