KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
32
MICROCOMPUTER'S TERMINAL DESCRIPTION
●
TV-TUNER U-COM (IC78:X25-862X-XX) uPD703035AGC-014-8EU
Pin
Name
I/O
Function
Description of Processing
1
TV_MUTE
O
Screen mute during TV seek
H : MUTE ON
2
IIC_SCL
I/O IIC clock input/output
(Need to pull up registor)
3
NC
O
Open
4
AM_FM
O
Audioswitching in France
Hi-Z : FM, L : AM(FRANCE) (Used as N-ch O/D)
5
AMUTE
O
Audiomute output for AV-OUTselector
H : AMUTE ON
6
EVdd
-
Connect to Vdd
7
EVss
-
Connect to Vss
8
NC
O
Open
9
NC
O
Open
10
NC
O
Open
11
NC
O
Open
12
PLLENB
O
PLLdata enable output
(with out E, W type)
13
PLLDATA
O
PLLserial data output
(with out E, W type)
14
PLLCLK
O
PLL serial clock output
(with out E, W type)
15
E_VOL
O
NAVI interrultion volume control output
PWM output (about 30kHz)
16
NC
O
Open
17
NC
O
Open
18
IC/Vpp
-
Connect to Vss (Need pull-down registor)
When writing to flash memory, 7.8V supply
19
NC
O
Open
20
NC
O
Open
21
BUS_MUTE
O
Audiomute output for MZ-BUS
H : MUTE ON
22
BUS_G_SW
O
MZ-BUS Relay control ouput
H :Relay ON (own source)
L : Relay OFF (other source)
23
IERX
I
IEBus data input
24
IETX
O
IEBus data output
25
BUS_STBY
O
BUS driver control ouput
L : standby
26
NC
O
Open
27
NC
O
Open
28
NC
O
Open
29
NC
O
Open
30
NC
O
Open
31
RESET
I
Reset input
L : Reset
32
NC
I
Connect to Vss
33
NC
-
Open
34
REGC
I
Connect electrolytic condenser
1uF
35
X2
-
Connect system clock
12.58MHz
36
X1
I
Connect system clock
37
Vss
-
Connect to GND
38
Vdd
-
Connect to BU5V
39
NC
O
Open
40
M_S
O
Main/Sub Audioswitching (J type only)
H : MAIN L : SUB
41
DK
O
IF switching (E, W, H, M, C, X type)
H : DK AREA
