Sharp XL-560

– 35 –
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.
FunctionTerminal 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)