Epson S1C6S3N2 Technical Manual page 70

CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
Table 4.7.1 Differences depending on selected duty
Duty Pins used in common Maximum number of segments Frame frequency
1/4
1/3
1/2
I-58
(2) Drive duty
With the mask option, either 1/4, 1/3 or 1/2 duty can be
selected for the LCD drive duty.
Table 4.7.1 shows the differences in the number of seg-
ments depending on the selected duty.
COM0–3
COM0–2
COM0–1
(3) Output specification
The segment pins (SEG0–SEG37) are selected with the
mask option in pairs for either segment signal output
or DC output (V
When DC output is selected, the data corresponding
to COM0 of each segment pin is output.
When DC output is selected, either complementary
output or Pch open drain output can be selected for
each pin with the mask option.
Note
The pin pairs are the combination of SEG2*n and SEG2*n + 1
(where n is an integer from 0 to 18).
x
152 (38 4)
x
114 (38 3)
x
76 (38 2)
and V
DD SS
EPSON
(when f
OSC1
f /1,024 (32 Hz)
OSC1
f /768 (42.7 Hz)
OSC1
f /1,024 (32 Hz)
OSC1
binary output).
S1C6S3N2 TECHNICAL HARDWARE
= 32 kHz)