mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1066
mc9s12xd256
Manufacturer Part Number
mc9s12xd256
Description
Hcs12x Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12XD256.pdf
(1350 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
mc9s12xd256CAA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
mc9s12xd256CAG
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 1066 of 1350
- Download datasheet (8Mb)
Chapter 25 2 Kbyte EEPROM Module (S12XEETX2KV1)
25.4.2.6
The sector modify operation will erase both words in a sector of EEPROM memory followed by a
reprogram of the addressed word using an embedded algorithm.
An example flow to execute the sector modify operation is shown in
command write sequence is as follows:
If an EEPROM sector to be modified is in a protected area of the EEPROM memory, the PVIOL flag in
the ESTAT register will set and the sector modify command will not launch. Once the sector modify
command has successfully launched, the CCIF flag in the ESTAT register will set after the sector modify
operation has completed unless a new command write sequence has been buffered.
1066
1. Write to an EEPROM memory address to start the command write sequence for the sector modify
2. Write the sector modify command, 0x60, to the ECMD register.
3. Clear the CBEIF flag in the ESTAT register by writing a 1 to CBEIF to launch the sector erase
command. The EEPROM address written determines the sector to be erased and word to be
reprogrammed while byte address bit 0 is ignored.
command.
Sector Modify Command
MC9S12XDP512 Data Sheet, Rev. 2.17
Figure
25-23. The sector modify
Freescale Semiconductor
Related parts for mc9s12xd256
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: