E0C6003
s
PAD DESCRIPTION
Pad No.
I/O
V
DD
27
(I)
V
SS
24
(I)
V
S2
23
O
CA, CB
21, 22
–
OSC1
26
I
OSC2
25
O
K00–03
33–36
I
R00
29
O
R01
30
O
R02, R03
31, 32
O
SEG0–14
2–16
O
COM0–3
17–20
O
RESET
28
I
TEST
1
I
∗
Can be selected by mask option
Pad name
Function
Power supply terminal (+)
Power supply terminal (-)
LCD system voltage doubler (2·V
SS
)/halver (V
SS
/2) output
Booster capacitor connecting terminal
Crystal or CR oscillation input terminal
∗
Crystal or CR oscillation output terminal
∗
Input port terminal
Output port terminal, BUZZER or FOUT output terminal
∗
Output port terminal or BUZZER output terminal
∗
Output port terminal
LCD segment output or DC output terminal
∗
LCD common output terminal (1/4, 1/3 or 1/2 duty are selectable
∗)
Initial reset input terminal
Test input terminal
s
BASIC EXTERNAL CONNECTION DIAGRAM
Piezo Buzzer Single Terminal Driving
LCD PANEL
COM0
SEG14
COM3
SEG0
CA
CB
V
DD
V
S2
C
2
C
1
K00
I
K03
E0C6003
E0C60L03
R00
OSC1
OSC2
RESET
C
G
X'tal
∗1
R
CR
∗2
O
R02
R03
TEST
R01
1.5 V (E0C60L03)
Cp
3.0 V (E0C6003)
V
SS
Piezo
Buzzer
Coil
∗1
Crystal oscillation
∗2
CR oscillation
X'tal
C
G
R
CR
C
1
, C
2
Cp
Crystal oscillator
Trimmer capacitor
Resistor for CR oscillation
Capacitor
Capacitor
32.768 kHz, C
I
(Max.) = 35 kΩ
5–25 pF
470 kΩ (65 kHz)
1
µF
3.3
µF
Note: The capacitors C
1
and C
2
are needed only when the E0C60L03 or the 1/2 bias (B) type E0C6003 is selected.
3
SEIKO [ SEIKO EPSON CORPORATION ]
