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R-305BW
R-309BW
Pin No.
Signal
27
R81
OUT
28
R82
OUT
29
R83
OUT
30
R90
OUT
31
R91
OUT
32
R92
OUT
33
XIN
34
XOUT
OUT
35
RESET
36
HOLD
IN/OUT Connected to GND.
37
VLC
38
COM1
OUT
39
COM2
OUT
40
COM3
OUT
41
COM4
OUT
42
VDD
I/O
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R60 - R63 terminal while one
of G7 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R60 - R63 terminal while one
of G6 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R60 - R63 terminal while one
of G5 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R60 - R63 terminal while one
of G4 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R60 - R63 terminal while one
of G3 line keys on key matrix is touched.
Terminal not used.
IN
Internal clock oscillation frequency setting input.
The internal clock frequency is set by inserting the capacitor and resistor circuit with respect
to XOUT terminal.
Internal clock oscillation frequency control output.
Output to control oscillation input of XIN.
IN
Auto clear terminal.
Signal is input to reset the LSI to the initial state when power is supplied. Temporarily set to
"L" level the moment power is supplied, at this time the LSI is reset. Thereafter set at "H" level.
IN
Signal synchronized with commercial power source frequency.
Signal similar to VSS.
Common data signal: COM1.
Connected to LCD (Pin No. C1)
Common data signal: COM2.
Connected to LCD (Pin No. C2)
Common data signal: COM1.
Connected to LCD (Pin No. C3)
Terminal not used.
IN
Power source voltage input terminal.
Connected to GND.
Description
20
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