S912XEQ384J3MALR Freescale Semiconductor, S912XEQ384J3MALR Datasheet - Page 894

• Manufacturer Part Number: S912XEQ384J3MALR
• Description: S912XEQ Series 16 Bit 50 Mhz 384 KB Flash 24 KB Ram Microcontroller - LQFP-112
• Manufacturer: Freescale Semiconductor

Chapter 25 256 KByte Flash Module (S12XFTM256K2V1)
25.1.2.3
25.1.2.4
25.1.2.5
25.1.3
The block diagram of the Flash module is shown in
894
•
•
•
•
•
•
•
•
•
•
•
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 file 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
Up to 4 Kbytes of RAM for user access
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
Block Diagram
Emulated EEPROM Features
User Buffer RAM Features
Other Flash Module Features
MC9S12XE-Family Reference Manual Rev. 1.24
Figure
25-1.
Freescale Semiconductor