TC58256AFT Toshiba, TC58256AFT Datasheet - Page 26

• Manufacturer Part Number: TC58256AFT
• Description: IC FLASH 256MBIT 50NS 48TSOP
• Manufacturer: Toshiba

Specifications of TC58256AFT

• Format - Memory: FLASH
• Memory Type: FLASH - Nand
• Memory Size: 256M (32M x 8)
• Speed: 50ns
• Interface: Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TC58256AFT(YBJ)

(8)
Pointer control for “00H”, “01H” and “50H”
the pointer, and Figure 14 is a block diagram of their operations.
Table 8. Pointer Destination
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)
C.
Read Mode
The device has three Read modes which set the destination of the pointer. Table 7 shows the destination of
The “00H” command must be input to set the pointer back to region A when the pointer is pointing to region
To program region C only, set the start point to region C using the 50H command.
(1)
(2)
(3)
00H
50H
01H
50H
01H
Add
Add
Add
Command
00H
01H
50H
80H
80H
Start point
Start point
Start point
C area
A area
B area
256 to 511
512 to 527
Add
Add
Figure 20. Example of How to Set the Pointer
0 to 255
Pointer
Add
Add
Add
DIN
DIN
Start point
Start point
C Area
B Area
Start point
Start point
Start point
0
A area
C area
A area
(1) 00H
(2) 01H
(3) 50H
10H
10H
A
Figure 19. Pointer control
50H
00H
255
Pointer control
Programming region B and C
Programming region C only
256
Add
Add
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B
TC58256AFT
Start point
Start point
C area
A area
511
512
C
527