E0C88862
■ PIN DESCRIPTION
Pin name
Pin No.
In/Out
Function
V
V
V
V
V
DD
SS
D1
68
69
–
–
–
–
O
–
I
Power supply (+) terminal
Power supply (GND) terminal
Regulated voltage for internal circuit
67
OSC
C1–
66
Regulated voltage for OSC1 oscillation circuit
LCD drive voltage output terminals
V
C5
61–57
56–50
70
CA–CG
OSC1
Booster capacitor connection terminals for LCD
OSC1 oscillation input terminal
(select crystal oscillation/CR oscillation/external clock input with mask option)
OSC1 oscillation output terminal
OSC2
OSC3
71
62
O
I
OSC3 oscillation input terminal
(select crystal/ceramic/CR oscillation/external clock input with mask option)
OSC3 oscillation output terminal
OSC4
63
82–75
74
O
I
K00–K07
K10/EVIN
R26/TOUT
Input terminals (K00–K07)
I
Input terminal (K10) or event counter external clock input terminal (EVIN)
Output terminal (R26) or programmable timer underflow signal inverted
output terminal (TOUT) (selectable by mask option)
Output terminal (R27)
91
O
R27/TOUT
92
O
or programmable timer underflow signal output terminal (TOUT)
Output terminal (R50) or buzzer output terminal (BZ)
Output terminal (R51) or buzzer inverted output terminal (BZ)
(selectable by mask option)
R50/BZ
R51/BZ
93
94
O
O
P10/SIN
90
89
I/O
I/O
I/O
I/O
I/O
O
I/O terminal (P10) or serial I/F data input terminal (SIN)
I/O terminal (P11) or serial I/F data output terminal (SOUT)
I/O terminal (P12) or serial I/F clock I/O terminal (SCLK)
I/O terminal (P13) or serial I/F ready signal output terminal (SRDY)
I/O terminals (P14–P17)
P11/SOUT
P12/SCLK
88
P13/SRDY
P14–P17
87
86–83
49–34
32–17
COM0–COM15
COM16–COM31
/SEG66–SEG51
SEG0–SEG40
RESET
LCD common output terminals
O
LCD common output terminals (when 1/32 duty is selected)
or LCD segment output terminal (when 1/16 or 1/8 duty is selected)
LCD segment output terminals
101–128, 4–16
O
I
73
72
Initial reset input terminal
TEST *1
I
Test input terminal
1
TEST is the terminal used for shipping inspection of the IC. For normal operation be sure it is connected to VDD.
■ELECTRICAL CHARACTERISTICS
● Absolute Maximum Ratings
(VSS=0V)
Rating
Symbol
Condition
Value
-0.3 ~ +7.0
-0.3 ~ +7.0
-0.3 ~ VDD + 0.3
-0.3 ~ VDD + 0.3
-5
Unit Note
Power voltage
V
V
V
V
DD
C5
I
V
V
V
Liquid crystal power voltage
Input voltage
Output voltage
O
V
mA
mA
mA
mA
mW
°C
1
2
High level output current
I
OH
1 terminal
Total of all terminals
1 terminal
-20
5
20
200
Low level output current
I
OL
Total of all terminals
Permitted loss
P
D
Operating temperature
Storage temperature
Soldering temperature / time
Topr
Tstg
Tsol
-40 ~ +85
-65 ~ +150
°C
–
(
)
260°C, 10sec lead section
Note) 1 Case that to Nch open drain output by the mask option is included.
2 In case of plastic package.
4
SEIKO [ SEIKO EPSON CORPORATION ]
