Epson E0C6001 Technical Manual page 50

Table 4.6.1
Differences according to
selected duty
Note
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
(2) Drive duty
According to the mask option, either 1/4, 1/3 or 1/2
duty can be selected as the LCD drive duty.
Table 4.6.1 shows the differences in the number of seg-
ments according to the selected duty.
Pins Used
Duty
in Common
1/4 COM0–3
1/3 COM0–2
1/2 COM0–1
(3) Output specification
The segment pins (SEG0–SEG19) are selected by mask
option in pairs for either segment signal output or DC
output (V and V
DD
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 by mask option.
The pin pairs are the combination of SEG (2 * n) and SEG (2 * n +
1) (where n is an integer from 0 to 12).
(4) Drive bias
For the drive bias of the E0C6001 or the E0C60L01,
either 1/3 bias or 1/2 bias can be selected by the mask
option.
Maximum Number
of Segments
80 (20 × 4)
60 (20 × 3)
40 (20 × 2)
binary output). When DC output
SS
Frame Frequency
(when fosc = 32 kHz)
32 Hz
42.7 Hz
32 Hz
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