DEMO9S08EL32AUTO Freescale Semiconductor, DEMO9S08EL32AUTO Datasheet - Page 51
![DEMO BOARD EL32 AUTO](/photos/37/58/375858/demo9s08sg32bd_sml.jpg)
DEMO9S08EL32AUTO
Manufacturer Part Number
DEMO9S08EL32AUTO
Description
DEMO BOARD EL32 AUTO
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheets
1.DEMO9S08EL32.pdf
(356 pages)
2.DEMO9S08EL32.pdf
(14 pages)
3.DEMO9S08EL32.pdf
(2 pages)
Specifications of DEMO9S08EL32AUTO
Contents
Board, Cable, CD and Documentation
Processor To Be Evaluated
MC9S08EL32
Data Bus Width
8 bit
Interface Type
RS-232, USB
Operating Supply Voltage
12 V
For Use With/related Products
MC9S08EL32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.5.5
The sector erase abort operation will terminate the active sector erase operation so that other sectors are
available for read and program operations without waiting for the sector erase operation to complete.
The sector erase abort command write sequence is as follows:
If the sector erase abort command is launched resulting in the early termination of an active sector erase
operation, the FACCERR flag will set once the operation completes as indicated by the FCCF flag being
set. The FACCERR flag sets to inform the user that the FLASH sector may not be fully erased and a new
sector erase command must be launched before programming any location in that specific sector.
If the sector erase abort command is launched but the active sector erase operation completes normally,
the FACCERR flag will not set upon completion of the operation as indicated by the FCCF flag being set.
Therefore, if the FACCERR flag is not set after the sector erase abort command has completed, a sector
being erased when the abort command was launched will be fully erased.
A flowchart to execute the sector erase abort operation is shown in
Freescale Semiconductor
1. Write to any FLASH or EEPROM address to start the command write sequence for the sector erase
2. Write the sector erase abort command, 0x47, to the FCMD register.
3. Clear the FCBEF flag in the FSTAT register by writing a “1” to FCBEF to launch the sector erase
abort command. The address and data written are ignored.
abort command.
Sector Erase Abort
SECTOR ERASE
ABORT FLOW
SECTOR ERASE COMPLETED
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Figure 4-4. Sector Erase Abort Flowchart
0
1
0
TO BUFFER ADDRESS AND DATA
SECTOR ERASE ABORTED
WRITE 0x47 TO FCMD
TO LAUNCH COMMAND
AND CLEAR FCBEF
WRITE 1 TO FCBEF
WRITE TO FLASH
FACCERR ?
FCCF ?
FCCF ?
START
1
1
0
(2)
Figure
(2)
before checking FCBEF or FCCF.
Wait at least four bus cycles
4-4.
Chapter 4 Memory
51
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