參數(shù)資料
型號(hào): LC74788N
文件頁數(shù): 14/50頁
文件大?。?/td> 175K
代理商: LC74788N
No. 7191-14/50
LC74735W
Second byte (3)
DA0 to 7
Register
Content
Notes
State
Function
7
0
6
0
5
CT0
0
Color table number 1
Color table selection
1
Color table number 2
4
I/E
0
Internal ROM
ROM selection
1
External ROM
3
M/G
0
Character
Character/graphic specification
1
Graphic
2
C10
[MSB]
0
1
1
C9
0
Character code specification
1
0
C8
0
1
Second byte (4)
DA0 to 7
Register
Content
Notes
State
Function
7
C7
0
1
6
C6
0
1
5
C5
0
1
4
C4
0
1
3
C3
0
1
2
C2
0
1
1
C1
0
1
0
C0
[LSB]
0
1
Character code
Internal ROM: 512 characters
000 to 1FF (hexadecimal)
0 to 511
External ROM: 2048 characters
000 to 7FF (hexadecimal)
0 to 2047
*
Transparent character specification
I/E = 0 (Internal ROM)
M/G = 0 (Character)
Code = 1FF (hexadecimal)
Character code specification
*
: This register is set to the all bits zero state when the IC is reset by the RST pin.
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