Service manual

16
R-1210
R-1211
25 P41 OUT Terminal not used.
26 P40 IN Connected to GND through the pull-down resistor R100.
27
RESET
IN Auto clear terminal.
Signal is input to reset the LSI to the initial state when power is applied.
28-29 P71-P70 OUT Terminal not used.
30 XIN IN
Internal clock oscillation frequency input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XOUT terminal.
31 XOUT OUT Internal clock oscillation frequency control output.
Output to control oscillation input of XIN.
32 VSS IN Power source voltage: -5.0V.
VC voltage of power source circuit input.
33 P27 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G8 line keys on key matrix is touched.
34 P26 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G7 line keys on key matrix is touched.
35 P25 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G6 line keys on key matrix is touched.
36 P24 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G5 line keys on key matrix is touched.
37 P23 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G4 line keys on key matrix is touched.
38 P22 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G3 line keys on key matrix is touched.
39 P21 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G2 line keys on key matrix is touched.
40 P20 OUT Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G1 line keys on key matrix is touched.
41 P17 OUT Hood lamp driving signal.
To turn on and off relay(RY6). “L” level: During
Hood lamp ON. “H” level: During Hood lamp OFF.
42 P16 OUT Hood lamp driving signal.
To turn on and off relay(RY5). “L” level: During
Hood lamp ON. “H” level: During Hood lamp OFF.
43 P15 OUT Hood motor high / low driving signal.
To turn on and off relay(RY3). “L” level: During Hood
motor high. “H” level: During Hood motor low.
44 P14 OUT Hood motor driving signal.
To turn on and off relay(RY4). “L” level: During
Hood motor ON. “H” level: During Hood motor OFF.
45-47 P13-P11 OUT Terminal not used.
Pin No. Signal I/O Description