TC58FVT160/B160AFT/AXB-70,-10

2002-08-06

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Output Disable Mode

Command Write

Command Write is executed by inputting the address and data into the Command Register. The command is

either WE or CE . The data is latched on the rising edge of either WE or CE . DQ0~DQ7 are valid for data

input and DQ8~DQ15 are ignored.

To abort input of the command sequence use the Reset command. The device will reset the Command Register

and enter Read Mode. If an undefined command is input, the Command Register will be reset and the device will

enter Read Mode.

Software Reset

Apply a software reset by inputting a Read/Reset command. A software reset returns the device from ID Read

Mode or CFI Mode to Read Mode, releases the lock state if automatic operation has ended abnormally, and clears

the Command Register.

Hardware Reset

reset is applied during data overwriting, such as a Write or Erase operation, data at the address or block being

written to at the time of the reset will become undefined.

and input of any command are allowed.

Comparison between Software Reset and Hardware Reset

ACTION

SOFTWARE RESET

HARDWARE RESET

Releases ID Read Mode or CFI Mode.

True

True

Clears the Command Register.

True

True

Releases the lock state if automatic operation has ended abnormally.

True

True

Stops any automatic operation which is in progress.

False

True

Stops any operation other than the above and returns the device to

Read Mode.

False

True

/Word Mode

input to BYTE , read data or write commands using DQ0~DQ7. DQ15/A-1 is used as the lowest address.

DQ8~DQ14 will become High-Impedance.

BYTE