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S912XEP100J5MAG Datasheet, PDF (1142/1324 Pages) Freescale Semiconductor, Inc – Features of the MC9S12XE-Family are listed here. Please see Table D-2.for memory options and Table D-2. for the peripheral features that are available on the different family members. | |||
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Chapter 29 1024 KByte Flash Module (S12XFTM1024K5V2)
29.1.2.2 D-Flash Features
⢠Up to 32 Kbytes of D-Flash memory with 256 byte sectors for user access
⢠Dedicated commands to control access to the D-Flash memory over EEE operation
⢠Single bit fault correction and double bit fault detection within a word during read operations
⢠Automated program and erase algorithm with verify and generation of ECC parity bits
⢠Fast sector erase and word program operation
⢠Ability to program up to four words in a burst sequence
29.1.2.3 Emulated EEPROM Features
⢠Up to 4 Kbytes of emulated EEPROM (EEE) accessible as 4 Kbytes of RAM
⢠Flexible protection scheme to prevent accidental program or erase of data
⢠Automatic EEE ï¬le handling using an internal Memory Controller
⢠Automatic transfer of valid EEE data from D-Flash memory to buffer RAM on reset
⢠Ability to monitor the number of outstanding EEE related buffer RAM words left to be
programmed into D-Flash memory
⢠Ability to disable EEE operation and allow priority access to the D-Flash memory
⢠Ability to cancel all pending EEE operations and allow priority access to the D-Flash memory
29.1.2.4 User Buffer RAM Features
⢠Up to 4 Kbytes of RAM for user access
29.1.2.5 Other Flash Module Features
⢠No external high-voltage power supply required for Flash memory program and erase operations
⢠Interrupt generation on Flash command completion and Flash error detection
⢠Security mechanism to prevent unauthorized access to the Flash memory
29.1.3 Block Diagram
The block diagram of the Flash module is shown in Figure 29-1.
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MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
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