E0C621A
s
BASIC EXTERNAL CONNECTION DIAGRAM
C2
C1
LCD
COM0
COM3
SEG31
SEG0
TEST
CC
V
DD
X'tal
C
GX
LED
Crystal oscillator
32.768kHz
C
I
(Max.)=35kΩ
CA
CB
~
~
Trimmer capacitor 5–25pF
Ceramic oscillator 455kHz
100pF
100pF
0.33µF
V
L
: 1.5V V
L
: 1.0V
2MΩ
Open
Short circuit
1MΩ
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.2µF
6.8µF
C
L3
C
L2
V
L3
V
L2
RESET
RSTOUT
V
ADJ
C
R
C
GC
C
DC
C
SR
R
A1
C
SR
S
SR
R
RC
R
A1
R
A2
R
RB
R33 (REM)
V
L1
3.0V
TR1
C
L1
E0C621A
AMPP
AMPM
AOUT
R
A2
+
C
D
C
L1
C
L2
C
L3
C1
C2
C
S1
V
DD
C
GX
X'tal
OSC1
OSC2
Vss
OSC3
C
GC
Ceramic
R00~R03
R10~R13
P00~P03
K00~K03
C
DC
K10~K13
OSC4
V
S1
C
S1
C
D
R20
Vss
Note:The above table is simply an example, and is not
guaranteed to work.
s
PACKAGE DIMENSIONS
Plastic QFP5-80pin
25.6
±0.4
20
±0.1
64
41
60
Plastic QFP14-80pin
14
±0.4
12
±0.1
41
65
40
61
40
19.6
±0.4
12
±0.1
INDEX
80
21
1
20
INDEX
80
25
2.7
±0.1
1
24
14
±0.1
3.4
max
1.7
max
1.4
±0.1
0.8
0.35
±0.1
0.15
±0.05
0°
12°
1.5
2.8
0.5
0.18
–0.05
0.125
–0.025
0°
10°
0.5
±0.2
1
+0.05
+0.1
0.26
0.1
Unit: mm
6
14
±0.4
SEIKO [ SEIKO EPSON CORPORATION ]
