Description Terminals to which external crystal is to be connected.
I
I
XT XT INT VDD VLCD
cl C2 C3
51 52
53
w
I � System reset signal input< Power supply terminal.
MEM
I
A
54 55 56
57
�
to which external voltage doubler for LCD drive is to be connected.
� o 0
The terminal to which external capacitor for stabilizing the reference voltage of the LCD drive, is to be connected.
58
I
I
COM1
Sl, S2
Common signal output to LCD. Segment signal output to LCD. NO I COM1 I COM2 I 1 COM1 2 TV 3 AM FM 4 Ic lB 51 -12A] 10 1113 8 9 7 3F 3B E13GI 2-B P 3C 4A 4B 4G 4C MEM MHz I
ICOM21
59,60
* NOTE
Function Symbol AUTO DOWNIH uP/M Description of Symbol Searches for the receiving station and memorizes it. Moving down the frequency, or adjusts the �hour� digit of watch. Moving up the frequency, or adjusts the �minute� digit of watch. I I Used to write data into the pre-set memory. Used when reading and writing data to and from pre-set memory. This is the stop switch for alarm sound. It switches the mode is cyclically. NORMAL -� ALARM time setting + CLOCK time setting ~ ALARM BAND CHECK It sets ON or OFF of the alarm operation. It switches the BAND cyclically. AM � FM (TV) 7 It illuminates all segments of LCD. I