E0C63B07
■ PIN DESCRIPTION
Signal name
Pin No.
In/Out
Function
V
V
V
V
V
DD
26
–
–
Power (+) supply
Power (–) supply
SS
20
D1
23
19
–
Oscillation/internal logic system regulated voltage output
D2
–
Supply voltage doubler/halver output
C1–VC3
18–16
12, 13
14, 15
21
–
LCD system power supply 1/3 or 1/2 bias (selected by mask option)
CA, CB
–
LCD system boosting/reducing capacitor connecting
CC, CD
OSC1
–
Supply voltage doubling/halving capacitor connecting
I
Crystal oscillation input
OSC2
22
O
I
Crystal oscillation output
OSC3
24
CR oscillation input
OSC4
25
O
I
CR oscillation output
K00–K03
K10–K13
P00–P03
P10–P13
P20–P23
R00
6–3
Input port
1, 160–158
44–41
38–35
34–31
80
I
Input port
I/O
I/O
I/O
O
O
O
O
O
O
I/O port
I/O port (switching to serial I/F input/output is possible by software)
I/O port
Output port
R01
81
Output port
R02
82
Output port (switching to TOUT output is possible by software)
Output port (switching to FOUT output is possible by software)
Output port
R03
83
R10–R13
COM00–COM03
COM10–COM13
SEG0–SEG59
MOUT
84–87
157–154
48–45
153–124, 49–78
30
LCD common output (1/4, 1/3, 1/2 duty can be selected by software)
O
O
LCD segment output
Melody output
SC1–SC28
RESET
88–115
27
I, O, I/O G/A input/output
I
I
I
Initial reset input
Testing input
Testing input
TEST1
29
TEST2
28
■ 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 (QFP8-160pin).
● 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
fOSC1 Any one is selected
32.768
76.8
153.6
kHz
kHz
kHz
kHz
fOSC3 Duty 50±5%, VDC="1"
4
SEIKO [ SEIKO EPSON CORPORATION ]
