Sharp SM-SX100 Service Manual page 62

SM-SX100
IC904 RH-iX2816AFZZ: System Microcomputer (IX2816AF)
Pin No. Port Name
1 LED3, P83
2 LED2, P82
3 LED1, P81
4 LED0, P80
5 AN0, PA0
6 AN1, PA1
7 AN2, PA2
8 AN3, PA3
9 AN4, PA4
10-12 AN5, PA5-AN7, PA7
13 VDD
14 OSC2
15 OSC1
16 VSS
17* NC
18 TXD, SBD0, P00
19 RXD, SBI0, P01
20 SBT0, P02
21 BUZZER, P06
22* RMOUT, P10
23* P11
24 P12, TMIO2
25 P13, TMIO3
26 P14, TMIO4
27 P20, IRQ0
28 P21, IRQ1, SENS
29 P22, IRQ2
30 P60
31 P61
32 P62
33 P63
34 P64
35 P65
36 P66
37* P67
38 P70
39 P27, NRST
40 MMOD
41 P87, LED7
42 P86, LED6
43 P85, LED5
44 P84, LED4
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
DATA_IN Input
DATA_OUT Output
IC_CLK Input
— Input
KEY Input
VOL DIS Input
KEYA Input
KEYB Input
KEYC Input
— Input
VDD —
OSC2 Output
OSC1 Input
VSS —
— —
SDATA Outout
SLATCH Outout
SCLK Output
IC_RESET Output
AUD MUTE Output
CL_CONT Output
DCLK Output
DLATCH Output
DDATA Input/Output Setting output to D/A. Data input/output
PROTECT Input
P-IN Input
IC_STB Input
DIG_B Output
DIG_A Output
DIG_MUTE Output
AUX3 Output
AUX2 Output
AUX1 Output
AMP DIG Output
AMP ANA Output
DIG_C Output
RESET Input
TEST —
SP_RLY Output
POWER Output
LINE_MUTE Output
WAR_OUT Output
– 62 –
Function
External IC communication input
External IC communication output
External IC communication clock
Not used
Key input. A/D input. VER.1
A/D input to display VOL value
Key input. A/D input. VER.2
Key input. A/D input. VER.2
Key input. A/D input. VER.2
Not used
Power supply
Oscillator
Oscillator
Power supply
Not used
Output to serial/parallel converter for LED display. DATA
Output to serial/parallel converter for LED display. Latch output
Output to serial/parallel converter for LED display. Clock output
Reset output to external IC
Output for AUDIO MUTE
Clock control between external IC and IC
Setting output to D/A. Clock output
Setting output to D/A. Latch output
PROTECT signal detection input
Warning input
External IC communication strobe
Digital input switch B
Switch of digital input is controlled with DIG_A and B.
Digital input switch A
Output for digital mute
Input relay of AUX3 is switched.
Input relay of AUX2 is switched.
Input relay of AUX1 is switched.
Input (digital, analog) to AMP is switched.
Input (digital, analog) to AMP is switched.
Digital input switch C
Switch of digital input accompanied to AUX1 is controlled.
Reset
TEST
ON/OFF of speaker relay
Control terminal of power supply
Line mute for recording
Warning output