TC581282A 데이터 시트보기 (PDF) - Toshiba
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TC581282A Datasheet PDF : 31 Pages
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TC581282AXB
(8) Pointer control for “00H”, “01H” and “50H”
The device has three Read modes which set the destination of the pointer. Table 7 shows the destination of
the pointer, and Figure 14 is a block diagram of their operations.
Table 8. Pointer Destination
Read Mode
Command
(1)
00H
(2)
01H
(3)
50H
Pointer
0 to 255
256 to 511
512 to 527
0
255 256
511 512 527
A
B
C
(1) 00H
(2) 01H
(3) 50H
Pointer control
Figure 19. Pointer control
The pointer is set to region A by the “00H” command, to region B by the “01H” command, and to region C by
the “50H” command.
(Example)
The “00H” command must be input to set the pointer back to region A when the pointer is pointing to region
C.
00H
Add
Start point
Add
Start point
A area
A area
50H
Add
Start point
Add
Start point
C area
C area
01H
Add
Start point
Add
Start point
B area
A area
50H
Add
00H
Add
To program region C only, set the start point to region C using the 50H command.
Start point
C area
Start point
A area
50H
80H
10H
Add
DIN Start point
Programming region C only
C Area
01H
80H
10H
Add
DIN Start point
Programming region B and C
B Area
Figure 20. Example of How to Set the Pointer
2001-12-04 24/31
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