4 SEGMENT OPTION GENERATOR SOG6008
26
EPSON
S5U1C60N08D MANUAL
(DEVELOPMENT SOFTWARE TOOL FOR S1C60N08)
4.3 Segment Ports Output Specifications
For the output specification of the segment output ports SEG0–SEG47 segment output and DC output can
be selected in units of two terminals. When used for liquid crystal panel drives, select segment output;
when used as regular output port, select DC output. When DC output is selected, either complementary
output or Pch open drain output may further be selected.
However, for segment output ports that will not be used, select segment output.
Refer to the "S1C62 Family Development Tool Reference Manual (Segment Option Generator)" for the
segment option source file creation.
■
When segment output is selected
The segment output port has a segment decoder built-in, and the data bit of the optional address in the
segment memory area (040H–06FH or 240H–26FH) can be allocated to the optional segment. With this,
up to 192 segments (144 segments when 1/3 duty is selected or 96 segments when 1/2 duty is selected)
of liquid crystal panel could be driven.
The segment memory may be allocated only one segment and multiple setting is not possible.
The allocated segment displays when the bit for this segment memory is set to "1", and goes out when
bit is set to "0".
Segment allocation is set to H for high address (4–6), to L for low address (0–F), and to D for data bit (0–
3) and are recorded in their respective column in the option list. For segment ports that will not be used,
write "---" (hyphen) in the H, L, and D columns of COM0–COM3.
Examples
• When 1/4 duty is selected
0 601 600 632 603 S
1 612 611 610 623 S
• When 1/3 duty is selected
0 601 600 632 --- S
1 612 611 610 --- S
• When 1/2 duty is selected
0 601 600 --- --- S
1 612 611 --- --- S
■
When DC output is selected
The DC output can be selected in units of two terminals and up to 48 terminals may be allocated for DC
output. Also, either complementary output or Pch open drain output is likewise selected in units of two
terminals. When the bit for the selected segment memory is set to "1", the segment output port goes
high (V
DD
), and goes low (V
SS
) when set to "0". Segment allocation is the same as when segment output
is selected but for the while the segment memory allocated to COM1–COM3 becomes ineffective. Write
three hyphens ("---") in the COM1–COM3 columns in the option list.
Example
• When complementary output is set to SEG16 and SEG17, and Pch open drain output is set to SEG18 and SEG19.
16 6E0 --- --- --- C
17 6F0 --- --- --- C
18 6E1 --- --- --- P
19 6F1 --- --- --- P
Refer to the SOG section of the "S1C62 Family Development Tool Reference Manual" for details of segment
option source file.
Note: If you select "1/3 bias, internal regulator used, LCD 3 V" in LCD specification, do not select "DC
output" in the SOG file, because it is not allowance.
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