
Page 12
Epson Research and Development
Vancouver Design Center
S1D13706
Programming Notes and Examples
X31B-G-003-03
Issue Date: 01/02/23
Display Mode Setting Configuration
70h
83
1000 0011
Selects the following:
• display blank = screen is blanked
• dithering = enabled
• hardware video invert = disabled
• software video invert = video data is not inverted
• color depth = 8 bpp
71h
00
0000 0000
Selects the following:
• display data word swap = disabled
• display data byte swap = disabled
• sub-window enable = disabled
• SwivelView Mode = not rotated
74h
75h
76h
00
00
00
0000 0000
0000 0000
0000 0000
Sets the main window display start address
78h
79h
50
00
0101 0000
0000 0000
Sets the main window line address offset
7Ch
7Dh
7Eh
00
00
00
0000 0000
0000 0000
0000 0000
Sets the sub-window display start address
80h
81h
50
00
0101 0000
0000 0000
Sets the sub-window line address offset
84h
85h
00
00
0000 0000
0000 0000
Sets the sub-window X start position
88h
89h
00
00
0000 0000
0000 0000
Sets the sub-window Y start position
8Ch
8Dh
4F
00
0100 1111
0000 0000
Sets the sub-window X end position
90h
91h
EF
00
1110 1111
0000 0000
Sets the sub-window Y end position
Miscellaneous Register Configuration
A0h
00
0000 0000
Disables power save mode
A1h
00
0000 0000
Reserved register. Must be written 00h.
A2h
00
0000 0000
Set reserved bit 7 to 0
A3h
00
0000 0000
Reserved register. Must be written 00h.
A4h
A5h
00
00
0000 0000
0000 0000
Clears the scratch pad registers
GPIO Pin Configuration
A8h
00
0000 0000
GPIO[6:0] pins are configured as input pins
A9h
80
1000 0000
Bit 7 set to 1 to enable GPIO pin inputs.
Table 2-1: Example Register Values (Continued)
Register
Value
(Hex)
Value
(Binary)
Description
Notes