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XL-560,570/C
1-4
COM3-COM0
Output
LCD common output terminal
5-7
VLC3-VLC1
—
LCD power terminal
8
VDD
—
Microcomputer power +5V
9
OSC2
Output
Main clock oscillator connection terminal f=8MHz
10
OSC1
Input
An oscillation child connection terminal for the main clock f=8MHz
11
VSS
—
Microcomputer power GND
12
XI
Input
Sub-clock oscillator connection terminal f=32.768kHz
13
XO
Output
Sub-clock oscillator connection terminal f=32.768kHz
14
MMOD
Input
Memory mode selection terminal
15
VREF-
—
AD converter power GND
16
KEY0 AN0/PA0
Input
Destination detection input Acts as an A/D input port.
When reset,it detects the destination setting according to DC voltage.
17
KEY1 AN0/PA1
Input
Operation button input, max. 8 buttons
18
KEY2 AN0/PA2
Input
Operation button input, max. 8 buttons
19
KEY3 AN0/PA3
Input
Model detection input H: XL-560/570 L: XL-540
20*
KEY4 AN0/PA4
Input
Tuner signal meter (S meter) voltage input terminal
21
KEY5 AN0/PA5
Input
Cassette tape safety lug detection input
"H" = Record inhibited "L" = Record enabled
22
KEY6 AN0/PA6
Input
Tape running/END detection input
If pulse input is detected, it is judged that the tape is running.
23
KEY7 AN7/PA7
Input
Cassette mechanism operation state detection input
"H" = Mechanism stopped "L" = Mechanism is operating
24
VREF+
—
A/D converter power +5V
25
TXD SBO0/P00
Output
Terminal to output data to TUNER PLL IC
26
RXD SBI0/P01
Input
Data input from TUNER PLL IC
27
SBT0/P02
Output
Output of clock synchronizing with TUNER PLL IC
28
SBO1/P03
Output
Terminal 1 to output data to VOL IC
29*
SBI1/P04
—
30
SBT1/P05
Output
POWER IC STANDBY terminal control
31
DK/BZER P06
Output
Enable output of TUNER PLL IC "L" = OFF "H" = ON
32
RST/P27
Input
Reset signal input
33
RMOUT
Input
CLOCK/TIMER/SLEEP button input
34
P11
Output
Power mute output "H" = MUTE OFF "L" = MUTE ON
35
TM2IO P12
Output
Main TRANS RELAY CONTROL "H" = ON "L" = OFF
36
TM3IO P13
Output
CD servo power circuit control output "H" = CD power ON "L" = CD power OFF
37
TM4IO P14
Input
Power button input detection
38
IRQ0 P20
Input
Power failure detection input. When "L" is set, the mode is changed to HALT mode.
39
SENS IRQ1/P21
Input
Remote control signal input
40*
IRQ2 P22
Input
Input of clock synchronizing with RDS IC
41
IRQ3 P23
Input
Jog dial UP pulse input
42
IRQ4
Input
Jog dial DOWN pulse input
43*
P30
Input
RDS signal reception state detection
"H" = RDS not received "L" = RDS is being received
44*
P31
Input
Data input from RDS IC
45
P32
Output
TC9462F reset signal output
46
LED0 WE/P50
Output
TC9462F chip enable terminal "L" = Bus terminal active
47
LED1 RE/P51
Output
TC9462F data sync clock output
48
LED2 CS/P52
Output
Tuner mute output "H" = Mute ON "L" = Mute OFF
49
LDE3/S51 A16/P53
Output
LCD backlight control signal output 1 Added "H" = Backlight ON "L" = Backlight OFF
50*
LED4/S50 A17/P54
—
51
SEG49 P60/A0
Output
Cassette mechanism solenoid drive control output
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC701 RH-iX0021SJZZ: System Microcomputer (IX0021SJ) (1/2)
Summary of Contents for XL-560
Page 55: ...XL 560 570 C 55 12 MEMO ...