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/驅動器)
中文描述: 圖形液晶顯示控制器/驅動器支持日標級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅動器)
文件頁數(shù): 40/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
40
2.3 Half-size Character (HCGROM)
6 x 12 dots, up to 256 types (128 types x 2 banks)
EPROM: HN27C4001G x one (address: $40000 to $40FFF)
EPROM addresses A18 to A0 designate the "$40 + half-size CGROM bank bit (bk) + half-size
character code (C6 to C0) + line position"
Write "0" into the rightmost bit as a character space (I/O 0 = 0)
Write "0" into I/Os 7 and 6
When A3, A2, A1, or A0 = $C to $F (1100 to 1111), write "0" into I/Os 7 to 0
Table 23 HCGROM Write (2)
HCGROM
EPROM Address
A16 = 0
Data
I/O I/O I/O I/O I/O I/O
5
4
3
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
A18 A17 A16 A15 A14 A13 A12 A11 A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
2
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
bk
C6
C5
C4
C3
C2
C1
C0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
J
Half-size CGROM bank bit
Character code (C6 to C0)
Line position
Character pattern "0"
Space
Table 24 4-M EPROM Address
4-M EPROM Address
A9
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
A18 A17 A16 A15 A14 A13 A12 A11 A10
0
0
0
0
0
0
0
0
1
1
0
0
1
0
0
0
0
1
1
1
0
1
0
0
0
A8
0
A7
0
A6
0
A5
0
1
0
1
0
A4
0
A3
0
A2 A1 A0
0
0
1
1
0
0
1
1
0
0
hex.
0
FFFF
10000
1FFFF
20000
Level 1 (left)
Kanji
Set +
non-
Kanji
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
(right)
1
0
1
0
1
0
1
0
1
0
1
0
1
0
(left)
Level 2
Kanji
Set
1
1
1
0
0
0
0
1
0
1
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2FFFF
30000
3FFFF
40000
407FF
40800
40FFF
(right)
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
bk = 0
(bank 0)
Half-
size
Font
1
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
bk = 1
(bank 1)
1
0
0
0
0
0
1
1
1
1
1
1
1
1
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