24
R-420CK
R-420CW
25-26 P26-P27 OUT Terminal not used.
56-82 SEG11-SEG37 OUT Segment data signal.
Signal Similar to SEG1.
83-85 SEG38-SEG40 OUT Terminal not used.
86 P40 OUT Terminal not used.
87 P41 IN Signal similar to AN10.
When either G13 line on key matrix is touched, a corresponding signal will be input into P41.
88 P42 IN Signal similar to AN10.
When either G12 line on key matrix is touched, a corresponding signal will be input into P42.
89 IRQ0 IN Signal synchronized with commercial power source frequency.
This is the basic timing for time processing of LSI.
90 AVCC IN A/D converter power source voltage.
The power source voltage to drive the A/D convertor built into LSI. connected to GND.
91 AN0 IN Used for initial balancing of bridge circuit (absolute humidity sensor). This input is an
analog input terminal from the AH sensor circuit, and connected to the A/D converter built
into the LSI.
92 AN1 IN AH sensor input.
This input is an anlage input terminal from the AH sensor circuit, and connected to the A/
D converter built into the LSI.
93 AN2 IN To input signal which communicates the door open/close information to LSI.
Door close "H" level signal (0V). Door open "L" level signal (-5V).93
83-85 AN3 IN Terminal not used.
83-85 AN4 OUT Terminal not used.
96-98 AN5-AN7 IN Terminal to change cooking input according to the Model.
By using the A/D converter contained in the LSI, DC voltage in accordance with the Model
in operation is applied to set up its cooking constant.
99 AN8 IN Input terminal to judge the model.
The signal will be input into AN8 through one of G1 - G8 lines on key matrix. The LSI will
judge the model by this signal.
100 P41 IN Signal similar to AN10.
When either G11 line on key matrix is touched, a corresponding signal will be input into AN9.
Pin No. Signal I/O Description
16.7 msec.
H : GND
L : -5V
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