Function Table Of Ic - Sharp HT-DD5000W Service Manual

IC1 RH-iX0004SJZZ: System Microcomputer (IX0004SJ) (1/2)
Pin No. Port Name
1 P00/TXD/SBO0
2 P01/RXD/SBI0
3 P02/STB0
4 P03/SBO1
5 P04/SBI1
6 P05/SBT1
7 P06/DK/
BUZZER
8 VDD
9 OSC2
10 OSC1
11 VSS
12 XI
13 XO
14 MMOD
15 VREF-
16-18 PA0/AN0-PA2/AN2 KEY1-KEY3
19 PA3/AN3
20 PA4/AN4
21 PA5/AN5
22 PA6/AN6
23* PA7/AN7
24 VREF+
25 P07
26 P27/RST
27 P10/TM0IO
28 P11/TM1IO
29 P12/TM2IO
30 P13/TM3IO
31 P14/TM4IO
32 P15
33 P20/IRQ0
34 P21/SEN/IRQ1
35 P22/IRQ2
36 P23/IRQ3
37 P24/IRQ4
38 P25
39 P30/SBO2
40 P31/SBI2
41 P32/SBT2
42 P50
43 P51
44 P52
45 P53
46 P54
47 P67/DGT17
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Input/
Terminal
Output
Name
TUN_DI Output Data output terminal to the tuner PLL IC
TUN_DO Input Data input terminal from the tuner PLL IC
TUNE_CK Output Clock output synchronized with the tuner PLL IC
TUN_CE Output Enable output for the tuner PLL IC
TUN_MUTE Output Tuner mute output terminal
TUN_SD Input Terminal for detecting the tuner broadcast reception mode
"L" = During broadcast reception
TUN_ST Input Input for detecting whether or not the tuner is receiving stereo radio signals
"H" = MONO, "L" = STEREO
VDD — Microcomputer power supply +5V
OSC2 Output External oscillator terminel for the main clock
OSC1 Input External oscillator terminel for the main clock
VSS — Microcomputer power supply GND
XI Input External oscillator terminel for the sub clock
XO Output External oscillator terminel for the sub clock
MMOD Input Memory mode select terminal
VREF- — A/D convertor power supply GND
Input Operation key input MAX-10 key
AREA Input Destination detection input. Operates as an A/D input port
Detects the destination setting on the DC voltage when resetting.
SP_LEVEL Input Main speaker output level detection, input
MODEL Input Model detection input. Detects the model on DC voltage when resetting.
POSISTOR Input Input for detecting an increase in the power amplifier temperature
— — Not used
VREF+ — A/D convertor power supply +5V
ALC Input Power output ALC function ON/OFF control terminal
RESET Input System reset, input
FS_STB Output Function select IC strobe signal
FS_DATA Output Function select IC control signal, output
FS_CK Output Synchronous clock output to the function select IC
V_LATCH Output Latched data output to the electronic volume IC
Model 2000: Electronic volume IC enable, output
V_CK Output Synchronous clock for the electronic volume IC
V_DATA Output Data output to the electronic volume IC
POWER Input Main case primary power switch, input
SYS_STOP Input Power failure detection, input. Changes to the STOP mode when "L".
AC3_SO Input ZR38600 serial data, input
REMOCON Input Remote control signal, input
JOG_UP Input Jog dial UP pulse, input
JOG_DOWN Input Jog dial DOWN pulse, input
F_MUTE Output Front amplifier input, Mute output
R_MUTE Output Rear amplifier input, Mute output
C_MUTE Output Center amplifier input, Mute output
SW_MUTE Output Woofer amplifier input, Mute output "H" = MUTE OFF, "L" = MUTE ON
FA_PLAY Output Front 'A' speakers' protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
POW_SW Output Primary-side AC power ON/OFF relay control, output
HP_MUTE — Headphones signal mute output
R_RLAY Output Rear speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
C_RLAY Output Center speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Function
"L" = OFF, "H" = ON
"H" = MUTE OFF, "L" = MUTE ON
"H" = MUTE OFF, "L" = MUTE ON
"H" = MUTE OFF, "L" = MUTE ON
– 39 –
HT-DD5000W
f = 8.00 MHz
f = 8.00 MHz
f = 32.768 kHz
f = 32.768 kHz
"H" = ON, "L" = OFF
"H" = ON, "L" = OFF