E0C63B07
s
PIN DESCRIPTION
Signal name
V
DD
V
SS
V
D1
V
D2
V
C1
–V
C3
CA, CB
CC, CD
OSC1
OSC2
OSC3
OSC4
K00–K03
K10–K13
P00–P03
P10–P13
P20–P23
R00
R01
R02
R03
R10–R13
COM00–COM03
COM10–COM13
SEG0–SEG59
MOUT
SC1–SC28
RESET
TEST1
TEST2
Pin No.
26
20
23
19
18–16
12, 13
14, 15
21
22
24
25
6–3
1, 160–158
44–41
38–35
34–31
80
In/Out
–
–
–
–
–
–
–
I
O
I
O
I
I
I/O
I/O
I/O
O
Function
Power (+) supply
Power (–) supply
Oscillation/internal logic system regulated voltage output
Supply voltage doubler/halver output
LCD system power supply 1/3 or 1/2 bias (selected by mask option)
LCD system boosting/reducing capacitor connecting
Supply voltage doubling/halving capacitor connecting
Crystal oscillation input
Crystal oscillation output
CR oscillation input
CR oscillation output
Input port
Input port
I/O port
I/O port (switching to serial I/F input/output is possible by software)
I/O port
Output port
Output port
Output port (switching to TOUT output is possible by software)
Output port (switching to FOUT output is possible by software)
Output port
LCD common output (1/4, 1/3, 1/2 duty can be selected by software)
LCD segment output
Melody output
G/A input/output
Initial reset input
Testing input
Testing input
81
O
82
O
83
O
84–87
O
157–154
O
48–45
153–124, 49–78
O
30
O
88–115
I, O, I/O
27
I
29
I
28
I
s
ELECTRICAL CHARACTERISTICS
q
Absolute Maximum Ratings
(V
SS
=0V)
Rating
Symbol
Value
Unit
Supply voltage
V
DD
-0.5 to 7.0
V
Input voltage (1)
V
I
-0.5 to V
DD
+ 0.3
V
Input voltage (2)
V
IOSC
-0.5 to V
D1
+ 0.3
V
Permissible total output current
*
1
ΣI
VDD
10
mA
Operating temperature
Topr
-20 to 70
°C
Storage temperature
Tstg
-65 to 150
°C
Soldering temperature / Time
Tsol
260°C, 10sec (lead section)
–
Permissible dissipation
*
2
P
D
250
mW
∗1:
The permissible total output current is the sum total of the current (average current) that simultaneously flows from the output pins (or is draw in).
∗2:
In case of plastic package (QFP8-160pin).
(Ta=-20 to 70°C)
Max.
Unit
1.25
V
2.2
V
3.6
V
3.6
V
3.6
V
–
kHz
–
kHz
–
kHz
400
kHz
q
Recommended Operating Conditions
Condition
Supply voltage
Symbol
V
DD
V
SS
=0V
Remark
Doubler mode (OSC3 OFF)
Doubler mode (OSC3 ON)
Normal mode (OSC3 OFF)
Normal mode (OSC3 ON)
Halver mode (OSC3 OFF)
Min.
0.9
0.9
1.25
2.2
2.5
–
–
–
50
Typ.
1.1
1.1
3.0
3.0
3.0
32.768
76.8
153.6
Oscillation frequency
f
OSC1
Any one is selected
f
OSC3
Duty 50±5%, VDC="1"
4
SEIKO [ SEIKO EPSON CORPORATION ]
