S912XEG384J3VA Datasheet, PDF (891/1324 Pages) Freescale Semiconductor, Inc – MC9S12XEP100 Reference Manual Covers MC9S12XE Family

Chapter 25
256 KByte Flash Module (S12XFTM256K2V1)
Revision
Number
V01.08
V01.09
V01.10
Table 25-1. Revision History
Revision
Date
14 Nov 2007
19 Dec 2007
25 Sep 2009
Sections
Affected
Description of Changes
25.5.2/25-951 - Changed terminology from ‘word program’ to “Program P-Flash’ in the BDM
unsecuring description, Section 25.5.2
25.4.2/25-927 - Added requirement that user not write any Flash module register during
execution of commands ‘Erase All Blocks’, Section 25.4.2.8, and ‘Unsecure
Flash’, Section 25.4.2.11
25.4.2.8/25-933 - Added statement that security is released upon successful completion of
command ‘Erase All Blocks’, Section 25.4.2.8
25.4.2.5/25-930 - Corrected Error Handling table for Load Data Field command
25.4.2/25-927 - Corrected Error Handling table for Full Partition D-Flash, Partition D-Flash,
and EEPROM Emulation Query commands
25.3.1/25-896 - Corrected P-Flash IFR Accessibility table
25.1/25-891 - Clarify single bit fault correction for P-Flash phrase
25.3.2.1/25-903 - Expand FDIV vs OSCCLK Frequency table
25.4.2.4/25-930 - Add statement concerning code runaway when executing Read Once
command from Flash block containing associated fields
25.4.2.7/25-932 - Add statement concerning code runaway when executing Program Once
command from Flash block containing associated fields
25.4.2.12/25- - Add statement concerning code runaway when executing Verify Backdoor
936
Access Key command from Flash block containing associated fields
- Relate Key 0 to associated Backdoor Comparison Key address
25.4.2.12/25- - Change “power down reset” to “reset”
936
- Add ACCERR condition for Disable EEPROM Emulation command
25.4.2.12/25- The following changes were made to clarify module behavior related to Flash
936
register access during reset sequence and while Flash commands are active:
25.4.2.20/25- - Add caution concerning register writes while command is active
945
- Writes to FCLKDIV are allowed during reset sequence while CCIF is clear
- Add caution concerning register writes while command is active
- Writes to FCCOBIX, FCCOBHI, FCCOBLO registers are ignored during
25.3.2/25-901 reset sequence
25.3.2.1/25-903
25.4.1.2/25-922
25.6/25-951
25.1 Introduction
The FTM256K2 module implements the following:
• 256 Kbytes of P-Flash (Program Flash) memory, consisting of 2 physical Flash blocks, intended
primarily for nonvolatile code storage
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
891