ZMM Haskovo Joybook R48 Series Service Manual download pdf (Page 27)

25

PMOR3021S

PMOR3021B

PMOR3021R

25 P41 OUT Terminal not used.

26 P40 IN Connected to GND through the pull-down resistor.

27 RESET IN Auto clear terminal.

Signal is input to reset the LSI to the initial state when power is applied.

28 P71 OUT Clock signal is output to a memory IC (IC3).

29 P70 OUT Data signal is output to a memory IC (IC3).

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 G5 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 G6 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 G7 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 G8 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 G9 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 G10 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 G11 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 G12 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.

45-46 P13-P12 OUT Terminal not used.

47 SEG25 OUT Terminal not used.

Pin No. Signal I/O Description

ON

OFF

H : GND

L

ON

OFF

H : GND

L

ON

OFF

H : GND

L

ON

OFF

H : GND

L

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