E0C63B08
s
PIN DESCRIPTION
Pin 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
COM0–COM3
SEG0–SEG31
BZ
SC1–SC16
RESET
TEST1
TEST2
Pin No.
24
18
21
17
16–14
27, 25
13, 12
19
20
22
23
52–55
56–59
42–39
38–35
34–31
50
49
48
47
46–43
8–11
76–100, 1–7
51
60–75
28
30
29
In/Out
–
–
–
–
–
–
–
I
O
I
O
I
I
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I, O, I/O
I
I
I
Function
Power (+) supply pin
Power (–) supply pin
Oscillation/internal logic system regulated voltage output pin
Supply voltage doubler/halver output pin
LCD system power supply pin 1/3 or 1/2 bias (selected by mask option)
LCD system boosting/reducing capacitor connecting pin
Supply voltage doubling/halving capacitor connecting pin
Crystal oscillation input pin
Crystal oscillation output pin
CR oscillation input pin
CR oscillation output pin
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 pin (1/4, 1/3, 1/2 duty can be selected by software)
LCD segment output pin
Buzzer output pin
G/A input/output pin
Initial reset input pin
Testing input pin
Testing input pin
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)
–
2
Permissible dissipation
*
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 (QFP15-100pin).
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 (1)
f
OSC1
Any one is selected
Oscillation frequency (2)
f
OSC3
Duty 50±5%, VDC="1"
(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
3
SEIKO [ SEIKO EPSON CORPORATION ]
