18
R-200BK
R-200BW
Pin No.
Signal
I/O
Description
A
2.0 sec.
H : VC(+5V)
L : GND
22
D5
OUT
Segment data signal.
Signal is input to the cathodes of the light-emitting diodes (LD1-LD4, LD6-LD9, LD11-
LD14, LD16-LD18 and LD19).
23-25
D6-D7
OUT
Segment data signal.
Signal is input to the cathodes of all light-emitting diodes (LD1-D20).
26
NC
No connection terminal.
27
F0
IN
Input signal which communicates the door open/close information to LSI.
Door closed; “L” level signal.
Door opened; “H” level signal.
28
F1
OUT
Connected to CNTR.
29
F2
OUT
Terminal not used.
30
F3
IN
Signal coming from encoder.
Signal similar to INT. Pulse signals are input into F3.
31-32
NC
No connection terminal.
33
XOUT
OUT
Internal clock oscillation frequency control output.
Output to control oscillation input of XOUT.
34
XIN
IN
Internal clock oscillation frequency input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XIN terminal.
35
CNTR
OUT
Signal to sound buzzer.
A: Completion sound.
36
VDD
IN
Power source voltage: +5.0V.
The power source voltage to drive the LSI is input to VDD terminal.
