參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動(dòng)器)
中文描述: 圖形液晶顯示控制器/驅(qū)動(dòng)器支持日標(biāo)級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動(dòng)器)
文件頁數(shù): 89/133頁
文件大小: 2608K
代理商: HD66732
HD66732
89
Table 49 Attribute Code and Display Contents
A1
A0
Display Contents
0
0
Normal display
0
1
Black-white reversed display
1
0
Blinking display
1
1
Black-white reversed blinking display
Table 50 JIS Code and HD66732 Character Code
Upper byte
Lower byte
JIS Code
HD66732 Character Code
b7 b6 b5
C
11
C
10
C
9
C
8
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
Non-kanji
Level-1 Kanji
0
1
0
0
1
1
1
0
0
a7 a6 b3 b2
0
0 a5 a4 a3 a2 a1
b1
b7 b4 b3 b2
a5 a4 a3 a2 a1
b1
b7 b4 b3 b2
a5 a4 a3 a2 a1
b1
a7 a6
a7 a6
User Font
0
0
0
0 0
0
u2 u1
C
12
0
0
0
u6
Level-2 Kanji
1
0
1
b6 b4 b3 b2
a5 a4 a3 a2 a1
b1 a7 a6
1
1
1
0
b6 b4 b3 b2
a5 a4 a3 a2 a1
b1 a7 a6
1
1
1
1
a7 a6 b3 b2
a5 a4 a3 a2 a1
b1 0
0
1
u3
u4
u5
0
JIS Level-1 byte code: b7–b1 (7 bits)
JIS Level-2 byte code: a7–a1 (7 bits)
CGRAM code for user fonts: u6–u1 (6 bits)
1
Character code
C
6
C
5
C
4
C
3
C
2
C
1
C
0
Character code: C
6
–C
0
(7 bits)
MSB LSB
Figure 45 Half-size Code Format
An example of how to display full-size and half-size characters together is explained here.
The full-size character display conforms to the JIS code (16 bits). According to the relationship between
the 13-bit JIS code, the code is converted from 16 bits to 13 bits, and the data of two bytes/character is
written to the DDRAM. Write the lower byte to the smaller DDRAM address (table 51). When displaying
a half-size character, refer to the HD66732 half-size font list (table 52) and write the one byte/character
data to the DDRAM.
Figure 46 shows how to set data to the DDRAM when performing a 3-line 6-character display and figure
47 shows the resulting LCD display example.
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