XC2000 datasheet(120/647 Pages) INFINEON

120 / 647 page

XC2000 Derivatives

System Units (Vol. 1 of 2)

Memory Organization

Preliminary

User’s Manual

3-58

V1.0, 2007-06

MemoryX2K, V1.1

Field

Bits

Typ Description

PROG

Program Task Indication

This bit is set when a program task is started. The

affected flash module is indicated by a BUSY bit.

The PROG bit is not automatically reset but must be

cleared by a “Clear Status” command. This bit is not

cleared by an Application Reset but only by a

System Reset.

ERASE

Erase Task Indication

This bit is set when an erase task is started. The

affected flash module is indicated by a BUSY bit.

The ERASE bit is not automatically reset but must be

cleared by a “Clear Status” command. This bit is not

cleared by an Application Reset but only by a

System Reset.

POWER

Power Change Indication

This bit indicates that a flash module is in its startup

phase or in a shutdown phase. The BUSY bits

indicate which flash module is busy. This bit is not

automatically reset but must be cleared by a “Clear

Status” command.

MAR

Margin Change Indication

If a read margin modification is requested this bit is

set together with the corresponding BUSY bit. The

BUSY bit is cleared when the margin change is

effective and the flash module can be read again.

The MAR bit must be cleared by a “Clear Status”

command.

SQER

Sequence Error

This bit is set by a errored command sequence or a

command that is not accepted. It is cleared by “Clear

Status” and “Reset to Read”.

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