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R-8740M - 25
Pin No.
Signal
I/O
Description
41
P17
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G5 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G5 line keys on matrix is touched.
42
P16
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G6 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G6 line keys on matrix is touched.
43
P15
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P207 - P23
terminal while one of G7 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P207 - P23
terminal while one of G7 line keys on matrix is touched.
44
P14
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G8 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G8 line keys on matrix is touched.
45
P13
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G9 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G9 line keys on matrix is touched.
46
P12
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G10 line keys on matrix is touched.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G10 line keys on matrix is touched.
47-48
P11-P10
IN
Terminal not used.
49
P07
OUT
Cooking mode indicator driving signal.
To turn on and off the light emitting diode LD9.
To turn on and off the light emitting diode LD9.
50
P06
OUT
Cooking mode indicator driving signal.
To turn on and off the light emitting diode LD8.
To turn on and off the light emitting diode LD8.
51
P05
OUT
Cooking mode indicator driving signal.
To turn on and off the light emitting diode LD6.
To turn on and off the light emitting diode LD6.
52
P04
OUT
Cooking mode indicator driving signal.
To turn on and off the light emitting diode LD7.
To turn on and off the light emitting diode LD7.
53-56
P03-P00
OUT
Terminal not used.
57-60
P37-P34
OUT
Terminal not used.
61-72
SEG11-SEG0
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.) LCD (Pin No.)
SEG 0 (72) .............................. S1
SEG 6 (66) ............................ S7
SEG 1 (71) .............................. S2
SEG 7 (65) ............................ S8
SEG 2 (70) .............................. S3
SEG 8 (64) ............................ S9
SEG 3 (69) .............................. S4
SEG 9 (63) .......................... S10
SEG 4 (68) .............................. S5
SEG10 (62) ......................... S11
SEG 5 (67) .............................. S6
SEG11 (61) ......................... S12
73/74
VCC/VREF
IN/IN
Connected to GND.
75
AVSS
IN
Connected to VC.
76
COM3
OUT
Terminal not used.
77
COM2
OUT
Common data signal: COM3.
Connected to LCD (Pin No. 3).
Connected to LCD (Pin No. 3).
78
COM1
OUT
Common data signal: COM2.
Connected to LCD (Pin No. 2).
Connected to LCD (Pin No. 2).
79
COM0
OUT
Common data signal: COM1.
Connected to LCD (Pin No. 1).
Connected to LCD (Pin No. 1).
80
VL3
IN
Power source voltage input terminal.
Standard voltage for LCD.
Standard voltage for LCD.
DESCRIPTION OF LSI
LSI(IX091DR)
The I/O signal of the LSI(IX091DR) are detailed in the following table.
The I/O signal of the LSI(IX091DR) are detailed in the following table.
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