E0C621A
■ BASIC EXTERNAL CONNECTION DIAGRAM
V
DD
C2
C1
X'tal Crystal oscillator 32.768kHz
(Max.)=35kΩ
GX Trimmer capacitor 5–25pF
LCD
CI
C
C
C
C
C
R
~
~
C
C
L3
L2
R
Ceramic oscillator 455kHz
V
L3
L2
LED
V
GC
DC
SR
A1
100pF
100pF
0.33µF
C
SR
RESET
R
RC
S
SR
RSTOUT
V
V
V
ADJ
VL : 1.5V VL : 1.0V
R
RB
R
A1
R33 (REM)
R
A2
3.0V
2MΩ
Open
TR1
L1
R
C
C
C
A2
L1
L2
L3
1MΩ
Short circuit
+
C
L1
E0C621A
CD
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.2µF
6.8µF
DD
AMPP
AMPM
AOUT
OSC1
OSC2
Vss
X'tal
C
GX
C1
C2
OSC3
C
GC
C
C
S1
Ceramic
C
DC
D
OSC4
VS1
C
S1
Note:The above table is simply an example, and is not
guaranteed to work.
Vss
■ PACKAGE DIMENSIONS
Plastic QFP5-80pin
Plastic QFP14-80pin
25.6±0.4
20±0.1
14±0.4
12±0.1
64
41
60
41
61
40
65
40
INDEX
INDEX
25
80
80
21
1
24
1
20
+0.1
0.8
0.35±0.1
–0.05
0.5
0.18
0.15±0.05
0.125–+00..00255
0°
10°
0.5±0.2
0°
12°
1.5
1
2.8
Unit: mm
6
SEIKO [ SEIKO EPSON CORPORATION ]
