MC9S12T64 Datasheet, PDF (214/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
Flash EEPROM 64K
CBEIF flag has no effect on CBEIF but sets ACCERR, which can be
used to abort a command sequence. This bit, CBEIF, is used together
with the enable bit CBEIE, to generate the interrupt request.
1 = Buffers are ready to accept a new command.
0 = Buffers are full.
CCIF — Command Complete Interrupt Flag
The CCIF flag indicates that there are no more commands pending.
The CCIF flag is cleared when CBEIF is clear and sets automatically
upon completion of all active and pending commands. The CCIF flag
does not set when an active commands completes and a pending
command is fetched from the command buffer. Writing to the CCIF
flag has no effect. This bit, CCIF, is used together with the enable bit
CCIE, to generate the interrupt request.
1 = All commands are completed
0 = Command in progress
PVIOL — Protection Violation
The PVIOL flag indicates an attempt was made to program or erase
an address in a protected Flash memory area. The PVIOL flag is
cleared by writing a “1” to PVIOL. Writing a “0” to the PVIOL flag has
no effect on PVIOL. While PVIOL is set, it is not possible to launch
another command. Refer to PVIOL flag set condition in page 229 for
more information.
1 = A protection violation has occurred.
0 = No failure
ACCERR — Flash Access Error
The ACCERR flag indicates an illegal access to the Flash array. This
can be either a violation of the command sequence, issuing an illegal
command (illegal combination of the CMDBx bits in the FCMD
register) or the execution of a CPU STOP instruction while a
command is executing (CCIF=0). The ACCERR flag is cleared by
writing a “1” to ACCERR. Writing a “0” to the ACCERR flag has no
effect on ACCERR.While ACCERR is set, it is not possible to launch
another command. Refer to ACCERR flag set condition in page 228
1 = Access error has occurred.
0 = No failure
MC9S12T64Revision 1.1.1
Flash EEPROM 64K
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