E0C63B08
■ PIN DESCRIPTION
Pin name
DD
Pin No.
24
18
In/Out
–
–
Function
V
V
V
V
V
Power (+) supply pin
Power (–) supply pin
SS
D1
21
17
16–14
27, 25
13, 12
19
–
–
–
–
–
I
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
D2
C1–VC3
CA, CB
CC, CD
OSC1
OSC2
OSC3
20
22
O
I
Crystal oscillation output pin
CR oscillation input pin
OSC4
23
O
I
I
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
K00–K03
K10–K13
P00–P03
P10–P13
P20–P23
R00
R01
R02
R03
R10–R13
COM0–COM3
SEG0–SEG31
BZ
52–55
56–59
42–39
38–35
34–31
50
49
48
47
I/O
I/O
I/O
O
O
O
O
O
O
O
O
46–43
8–11
76–100, 1–7
51
Buzzer output pin
SC1–SC16
RESET
TEST1
TEST2
60–75
28
30
I, O, I/O G/A input/output pin
I
I
I
Initial reset input pin
Testing input pin
Testing input pin
29
■ ELECTRICAL CHARACTERISTICS
● Absolute Maximum Ratings
(VSS=0V)
Rating
Supply voltage
Symbol
VDD
Value
-0.5 to 7.0
Unit
V
Input voltage (1)
Input voltage (2)
Permissible total output current *1 ΣIVDD
Operating temperature
Storage temperature
Soldering temperature / Time
Permissible dissipation *2
VI
VIOSC
-0.5 to VDD + 0.3
-0.5 to VD1 + 0.3
10
V
V
mA
°C
°C
–
Topr
Tstg
Tsol
PD
-20 to 70
-65 to 150
260°C, 10sec (lead section)
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).
● Recommended Operating Conditions
(Ta=-20 to 70°C)
Condition
Supply voltage
Symbol
VDD
Remark
Min.
0.9
0.9
1.25
2.2
2.5
–
–
–
50
Typ.
1.1
1.1
3.0
3.0
Max.
1.25
2.2
3.6
3.6
3.6
–
–
–
400
Unit
V
V
V
V
VSS=0V
Doubler mode (OSC3 OFF)
Doubler mode (OSC3 ON)
Normal mode (OSC3 OFF)
Normal mode (OSC3 ON)
Halver mode (OSC3 OFF)
3.0
V
Oscillation frequency (1)
Oscillation frequency (2)
fOSC1 Any one is selected
32.768
76.8
153.6
kHz
kHz
kHz
kHz
fOSC3 Duty 50±5%, VDC="1"
3
SEIKO [ SEIKO EPSON CORPORATION ]
