HT-DD5000W
– 39 –
IC1 RH-iX0004SJZZ: System Microcomputer (IX0004SJ) (1/2)
1
P00/TXD/SBO0
TUN_DI
Output
Data output terminal to the tuner PLL IC
2
P01/RXD/SBI0
TUN_DO
Input
Data input terminal from the tuner PLL IC
3
P02/STB0
TUNE_CK
Output
Clock output synchronized with the tuner PLL IC
4
P03/SBO1
TUN_CE
Output
Enable output for the tuner PLL IC
"L" = OFF, "H" = ON
5
P04/SBI1
TUN_MUTE
Output
Tuner mute output terminal
6
P05/SBT1
TUN_SD
Input
Terminal for detecting the tuner broadcast reception mode
"L" = During broadcast reception
7
P06/DK/
TUN_ST
Input
Input for detecting whether or not the tuner is receiving stereo radio signals
BUZZER
"H" = MONO, "L" = STEREO
8
VDD
VDD
—
Microcomputer power 5V
9
OSC2
OSC2
Output
External oscillator terminel for the main clock
f = 8.00 MHz
10
OSC1
OSC1
Input
External oscillator terminel for the main clock
f = 8.00 MHz
11
VSS
VSS
—
Microcomputer power supply GND
12
XI
XI
Input
External oscillator terminel for the sub clock
f = 32.768 kHz
13
XO
XO
Output
External oscillator terminel for the sub clock
f = 32.768 kHz
14
MMOD
MMOD
Input
Memory mode select terminal
15
VREF-
VREF-
—
A/D convertor power supply GND
16-18
PA0/AN0-PA2/AN2 KEY1-KEY3
Input
Operation key input MAX-10 key
19
PA3/AN3
AREA
Input
Destination detection input. Operates as an A/D input port
Detects the destination setting on the DC voltage when resetting.
20
PA4/AN4
SP_LEVEL
Input
Main speaker output level detection, input
21
PA5/AN5
MODEL
Input
Model detection input. Detects the model on DC voltage when resetting.
22
PA6/AN6
POSISTOR
Input
Input for detecting an increase in the power amplifier temperature
23*
PA7/AN7
—
—
Not used
24
VREF+
VREF+
—
A/D convertor power 5V
25
P07
ALC
Input
Power output ALC function ON/OFF control terminal
26
P27/RST
RESET
Input
System reset, input
27
P10/TM0IO
FS_STB
Output
Function select IC strobe signal
28
P11/TM1IO
FS_DATA
Output
Function select IC control signal, output
29
P12/TM2IO
FS_CK
Output
Synchronous clock output to the function select IC
30
P13/TM3IO
V_LATCH
Output
Latched data output to the electronic volume IC
Model 2000: Electronic volume IC enable, output
31
P14/TM4IO
V_CK
Output
Synchronous clock for the electronic volume IC
32
P15
V_DATA
Output
Data output to the electronic volume IC
33
P20/IRQ0
POWER
Input
Main case primary power switch, input
"H" = ON, "L" = OFF
34
P21/SEN/IRQ1
SYS_STOP
Input
Power failure detection, input. Changes to the STOP mode when "L".
35
P22/IRQ2
AC3_SO
Input
ZR38600 serial data, input
36
P23/IRQ3
REMOCON
Input
Remote control signal, input
37
P24/IRQ4
JOG_UP
Input
Jog dial UP pulse, input
38
P25
JOG_DOWN
Input
Jog dial DOWN pulse, input
39
P30/SBO2
F_MUTE
Output
Front amplifier input, Mute output
"H" = MUTE OFF, "L" = MUTE ON
40
P31/SBI2
R_MUTE
Output
Rear amplifier input, Mute output
"H" = MUTE OFF, "L" = MUTE ON
41
P32/SBT2
C_MUTE
Output
Center amplifier input, Mute output
"H" = MUTE OFF, "L" = MUTE ON
42
P50
SW_MUTE
Output
Woofer amplifier input, Mute output
"H" = MUTE OFF, "L" = MUTE ON
43
P51
FA_PLAY
Output
Front 'A' speakers' protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
44
P52
POW_SW
Output
Primary-side AC power ON/OFF relay control, output
"H" = ON, "L" = OFF
45
P53
HP_MUTE
—
Headphones signal mute output
46
P54
R_RLAY
Output
Rear speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
47
P67/DGT17
C_RLAY
Output
Center speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Pin No.
Port Name
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
FUNCTION TABLE OF IC
Terminal
Name
Input/
Output
