KTC-HR100
5
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
MICROCOMPUTER : 70F3030BYGC1R9 (X14 : IC11)
Pin No.
I/O
Pin Name
Function
Processing Operation Description
1
O
NC
Not connect
2
O
SCK
I2C clock output
3
O
RX
UART input
4
O
TX
UART output
5
O
NC
Not connect
6
-
EVDD
Power supply for port
7
-
EVSS
Ground for port
8,9
O
NC
Not connect
10
O
MUTE1
5L I/F to H/U
11
O
REQC1
5L I/F to H/U
12
I
DATA_I
Data input from outside driver IC
13
O
DATA_O
Data output to outside driver IC
14
O
LCD_CLK
Clock output to outside driver IC
15
O
LCD_CE
Chip enable for outside driver IC
16
O
LCD_RST
Reset for outside driver IC
17
O
NC
Not connect
18
I
IC/VPP
For write program enable
H : write mode, L : normal
19
O
RELAY
Audio source selection
H : CD-CH, L : HD-RADIO
20
O
A_MUTE
Audio mute output
H : normal, L : mute on
21
O
PON_M
Output for power on main
H : power on, L : power off
22
O
PON_A
Output for power on audio
H : power on, L : power off
23~30
O
NC
Not connect
31
I
RESET
Reset input
H : not reset, L : reset
32
I
-
Un-use (pull down)
33
-
NC
Not connect
34
-
-
Capacitor connection for regulator stabilization
35
-
X2
Resonator connection for main clock
36
I
X1
Resonator connection for main clock
37
-
VSS
Ground
38
-
VDD
Power supply
39~54
O
NC
Not connect
55
-
BVDD
Power supply for BUS interface
56
-
BVSS
Ground for BUS interface
57
O
TU_I2C_SW
Data output for tuner I2C on / off switching
L : off, H : on
58
I
BLEND
Data input for digital / analog switching
L : analog, H : digital
59
O
7724_BLEND
Data output for digital / analog switching
L : analog, H : digital
60
O
IDM_RESET
Reset for IDM
L : reset, H : normal
61
O
FM_ON
Output for FM filter power control
L : filter off, H : filter on
62
O
AM_ON
Output for AM filter power control
L : filter off, H : filter on