Information

FTFL_FCNFG field descriptions
Field Description
7
CCIE
Command Complete Interrupt Enable
The CCIE bit controls interrupt generation when a flash command completes.
0 Command complete interrupt disabled
1 Command complete interrupt enabled. An interrupt request is generated whenever the FSTAT[CCIF]
flag is set.
6
RDCOLLIE
Read Collision Error Interrupt Enable
The RDCOLLIE bit controls interrupt generation when a flash memory read collision error occurs.
0 Read collision error interrupt disabled
1 Read collision error interrupt enabled. An interrupt request is generated whenever a flash memory
read collision error is detected (see the description of FSTAT[RDCOLERR]).
5
ERSAREQ
Erase All Request
This bit issues a request to the memory controller to execute the Erase All Blocks command and release
security. ERSAREQ is not directly writable but is under indirect user control. Refer to the device's Chip
Configuration details on how to request this command.
The ERSAREQ bit sets when an erase all request is triggered external to the flash memory module and
CCIF is set (no command is currently being executed). ERSAREQ is cleared by the flash memory module
when the operation completes.
0 No request or request complete
1 Request to:
1. run the Erase All Blocks command,
2. verify the erased state,
3. program the security byte in the Flash Configuration Field to the unsecure state, and
4. release MCU security by setting the FSEC[SEC] field to the unsecure state.
4
ERSSUSP
Erase Suspend
The ERSSUSP bit allows the user to suspend (interrupt) the Erase Flash Sector command while it is
executing.
0 No suspend requested
1 Suspend the current Erase Flash Sector command execution.
3
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
2
PFLSH
Flash memory configuration
0 Flash memory module configured for FlexMemory that supports data flash and/or EEPROM
1 Reserved
1
RAMRDY
RAM Ready
This flag indicates the current status of the FlexRAM .
The state of the RAMRDY flag is normally controlled by the Set FlexRAM Function command. During the
reset sequence, the RAMRDY flag is cleared if the FlexNVM block is partitioned for EEPROM and is set if
the FlexNVM block is not partitioned for EEPROM. The RAMRDY flag is cleared if the Program Partition
command is run to partition the FlexNVM block for EEPROM. The RAMRDY flag sets after completion of
the Erase All Blocks command or execution of the erase-all operation triggered external to the flash
memory module .
Table continues on the next page...
Memory Map and Registers
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
594
Preliminary
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