E0C6281
■ PIN DESCRIPTION
Pin name
Pin No.
In/Out
Function
V
V
V
V
V
V
DD
SS
S1
L1
L2
L3
54
55
53
60
59
58
61–63
57
I
I
Power source (+) terminal
Power source (-) terminal
O
O
O
O
–
I
O
I
I/O
O
O
O
O
O
I
Oscillation and internal logic system regulated voltage output terminal
LCD system regulated voltage output terminal (approx. -1.05 V)
LCD system booster output terminal (VL1 x 2)
LCD system booster output terminal (VL1 x 3)
Booster capacitor connecting terminal
Crystal or CR oscillation input terminal
Crystal or CR oscillation output terminal
Input terminal
CA–CC
OSC1
OSC2
K00–K03, K10
P00–P03
R00–R03
R10
R11
R12
MO
CMPP
CMPM
SEG0–25
COM0–3
RESET
TEST
56
40–44
32–35
49–52
45
46
47
48
37
36
I/O terminal
Output terminal
Output terminal (FOUT output available by mask option)
Output terminal
Output terminal (Melody inverted output and envelope function available by mask option)
Melody signal output terminal
Analog comparator non-inverted input terminal
Analog comparator inverted input terminal
LCD segment output terminal (Convertible to DC output by mask option)
LCD common output terminal
I
4–17, 19–30
64, 1–3
39
O
O
I
Initial reset input terminal
Test input terminal
18
I
MTEST
38
I
Melody test input terminal
■ ELECTRICAL CHARACTERISTICS
● Absolute Maximum Ratings
(VDD=0V)
Rating
Supply voltage
Symbol
VSS
Value
-5.0 to 0.5
Unit
V
Input voltage (1)
Input voltage (2)
Permissible total output current *1 ΣIVSS
Operating temperature
Storage temperature
Soldering temperature / Time
Permissible dissipation *2
VI
VIOSC
VSS - 0.3 to 0.5
VSS - 0.3 to 0.5
10
-20 to 70
-65 to 150
V
V
mA
°C
°C
–
Topr
Tstg
Tsol
PD
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 (QFP6-64pin).
● Recommended Operating Conditions
E0C6281/62A81
(Ta=-20 to 70°C)
Condition
Supply voltage
Oscillation frequency
Symbol
Remark
Min.
-3.5
–
Typ.
-3.0
32.768
Max.
-1.8
–
Unit
V
kHz
V
SS
V
DD=0V
f
OSC
E0C62L81/62B81
(Ta=-20 to 70°C)
Condition
Supply voltage
Symbol
Remark
Min.
-3.5
-3.5
-3.5
–
Typ.
-1.5
-1.5
-1.5
32.768
Max.
-1.1
-0.9 *2
-1.3
–
Unit
V
V
V
kHz
VSS
V
V
V
DD=0V
DD=0V, With software control *1
DD=0V, When the analog comparator is used
Oscillation frequency
f
OSC
1: When switching to heavy load protection mode. The SVD circuit and analog voltage comparator are turned OFF.
2: The possibility of LCD panel display differs depending on the characteristics of the LCD panel.
3
SEIKO [ SEIKO EPSON CORPORATION ]
