E0C621A
■ PIN DESCRIPTION
Pin name
Pin No.
In/Out
Function
V
V
V
V
V
V
V
DD
SS
S1
L1
35
39
42
29
26
I
I
Power source (+) terminal
Power source (-) terminal
Oscillation and internal logic system regulated voltage output terminal (approx. VDD-2.0 V)
LCD system regulated voltage output terminal (approx. VDD-V
LCD system booster output terminal (VDD-2V
LCD system booster output terminal (VDD-3V
–
–
–
–
I
L)
L2
L
)
)
L3
25
28
L
ADJ
VL input adjustment terminal
CA–CC
OSC1
OSC2
OSC3
OSC4
K00–03, K10–13
P00–03
R00–03, R10, R11
R12
R13
R20
22–24
37
38
40
41
56–63
52–55
43–48
49
50
51
–
I
O
I
O
I
I/O
O
O
O
O
O
I
Booster capacitor connecting terminal
Crystal oscillation input terminal
Crystal oscillation output terminal
Ceramic or CR oscillation input terminal
Ceramic or CR oscillation output terminal
Input terminal
I/O terminal
Output terminal
Output terminal (DC, FOUT or BZ output may be selected by mask option)
Output terminal (DC or BZ output may be selected by mask option)
Output terminal
Remote control carrier output terminal
Analog comparator non-inverted input terminal
Analog comparator inverted input terminal
Analog comparator outout terminal
LCD segment output terminal (Convertible to DC output by mask option)
LCD common output terminal
Initial reset input terminal
R33(REM)
AMPP
AMPM
30
32
33
34
I
AOUT
O
O
O
I
SEG0–31
COM0–3
RESET
TEST
1–17, 66–80
18–21
27
64
I
Test input terminal
RSTOUT
31
O
Initial reset output terminal
■ ABSOLUTE MAXIMUM RATINGS
(VDD=0V)
Rating
Symbol
Value
-5.2 to 0.5
SS -0.3 to 0.3
S1 -0.3 to 0.3
-20 to 70
-65 to 150
Unit
V
V
Supply voltage
Input voltage
V
V
V
SS
I
V
V
IOSC
V
Operating temperature
Storage temperature
Soldering temperature and time
Power dissipation
Topr
Tstg
Tsol
°C
°C
–
260°C, 10sec (at lead)
P
D
250
mW
■ RECOMMENDED OPERATING CONDITIONS
(Ta=-20 to 70°C)
Condition
Supply voltage
Oscillation frequency
Symbol
Remark
Min.
-3.5
–
50
-1.6
100
Typ.
-3.0
32.768
455
-1.03
140
Max.
-2.2
–
600
–
Unit
V
kHz
kHz
V
V
SS
V
DD = 0 V
f
f
OSC1
OSC3
duty : 50 ± 5%
Power supply voltage for LCD driver
CR oscillation external resistor
V
R
L1
CR
500
kΩ
3
SEIKO [ SEIKO EPSON CORPORATION ]
