Segment Pin Assignment - Epson S1C17M01 Technical Manual

14 LCD DRIVER (LCD8A)

14.6.2 Segment Pin Assignment

The display data RAM address assignment for the segment pins can be inverted using the LCD8DSP.SEGREV bit.
When the LCD8DSP.SEGREV bit is set to 1, memory addresses are assigned to segment pins in ascending order.
When the LCD8DSP.SEGREV bit is set to 0, memory addresses are assigned to segment pins in descending order.
14.6.3 Common Pin Assignment
The display data RAM bit assignment for the common pins can be inverted using the LCD8DSP.COMREV bit.
When the LCD8DSP.COMREV bit is set to 1, memory bits are assigned to common pins in ascending order. When
the LCD8DSP.COMREV bit is set to 0, memory bits are assigned to common pins in descending order.
Bit
D0
D1
D2
D3
D4
D5
D6
D7
LCD8DSP.SEGREV
bit = 1
LCD8DSP.SEGREV
bit = 0
Bit
D0
D1
D2
D3
D4
D5
D6
D7
LCD8DSP.SEGREV
bit = 1
LCD8DSP.SEGREV
bit = 0
14-10
Address
· · · · ·
Display area
· · · · ·
· · · · ·
Figure 14.6.3.1 Display Data RAM Map (1/8 duty)
Address
· · · · ·
Display area
· · · · ·
· · · · ·
Figure 14.6.3.2 Display Data RAM Map (1/5 duty)
Seiko Epson Corporation
LCD8DSP.
COMREV
· · · · ·
bit = 1
COM0
COM1
COM2
Unused area
COM3
(general-
COM4
purpose RAM)
COM5
COM6
COM7
LCD8DSP.
COMREV
· · · · ·
bit = 1
COM0
COM1
COM2
Unused area
COM3
(general-
COM4
purpose RAM)
–
–
–
S1C17M01 TECHNICAL MANUAL
LCD8DSP.
COMREV
bit = 0
COM7
COM6
COM5
COM4
COM3
COM2
COM1
COM0
LCD8DSP.
COMREV
bit = 0
COM4
COM3
COM2
COM1
COM0
–
–
–
(Rev. 1.2)