TC1796
System Units (Vol. 1 of 2)
Program Memory Unit
User’s Manual 7-45 V2.0, 2007-07
PMU, V2.0
ERASE 5rhErase State
This flag indicates whether PFLASH or DFLASH is
currently erased or have been erased. ERASE is set
with the last cycle of an erase command sequence.
After an erase operation this bit remains set. ERASE
is cleared by a Clear Status command or by a power-
on reset.
0
B
There is no erase operation running,
requested, or finished.
1
B
An erase operation is running, requested, or
finished.
PFPAGE 6rhPFLASH in Page Mode
This flag indicates whether the PFLASH is in Page
Mode or not. It is set with the enter Page Mode
command and cleared by a Write Page command, or
by a Reset-to-Read command, or by any reset
operation.
0
B
PFLASH is not in Page Mode.
(default after reset)
1
B
PFLASH is in Page Mode. The page assembly
buffer of the PFLASH is ready to be filled.
DFPAGE 7rhDFLASH in Page Mode
This flag indicates whether the DFLASH is in Page
Mode or not. It is set with the enter Page Mode
command and cleared by a write Page Mode
command, or by a Reset-to-Read command, or by
any reset operation.
0
B
DFLASH is not in Page Mode.
(default after reset)
1
B
DFLASH is in Page Mode. The page assembly
buffer of the DFLASH is ready to be filled.
PFOPER 8rhPFLASH Operation Error
This flag indicates a flash array error during PFLASH
operation. PFOPER is cleared by a reset operation,
by a Reset-to-Read command, or by a Clear Status
command.
0
B
PFLASH operation is finished or currently
running without error.
1
B
PFLASH operation is aborted caused by a
PFLASH array failure.
Field Bits Type Description
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