LMB204BDC データシートの表示（PDF） - Unspecified
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LMB204BDC Datasheet PDF : 11 Pages
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TOPWAY
LCD Module User Manual
LMB204BDC
4.4 Display Memory Map
There are two main memory-areas in the LCD module for display.
- Character Generator RAM (CGRAM)
- Display Data RAM (DDRAM)
4.4.1 Character Generator RAM (CGRAM)
Character Generator RAM is for storing the User-defined Characters (5x8 dots font).
Totally 8 User-defined Characters (character code = 00h ~ 07h) could be created.
The User-defined Character Codes are 00h and 07h. They could be called into DDRAM as normal
character.
User-defined
Character
Code
00h
(08h)
01h
(09h)
02h
(0Ah)
03h
(0Bh)
04h
(0Ch)
05h
(0Dh)
06h
(0Eh)
07h
(0Fh)
CGRAM
Address
CGRAM Data (Font Pattern)
D7 ~ D5
D4 ~ D0
00h
01h
:
Not Use
06h
07h
08h
09h
:
Not Use
0Eh
0Fh
10h
11h
:
Not Use
16h
17h
18h
19h
:
Not Use
1Eh
1Fh
20h
21h
:
Not Use
26h
27h
28h
29h
:
Not Use
2Eh
2Fh
30h
31h
:
Not Use
36h
37h
38h
39h
:
Not Use
3Eh
3Fh
CGRAM Address Map
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
5 x 8 dots
font pattern
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Document Name: LMB204BDC-Manual-Rev0.1.doc
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