MC9S12XET256MAG Freescale Semiconductor, MC9S12XET256MAG Datasheet - Page 836

• Manufacturer Part Number: MC9S12XET256MAG
• Description: MCU 16BIT 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XET256MAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 119
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 144-LQFP
• No. Of I/o's: 119
• Eeprom Memory Size: 4KB
• Ram Memory Size: 16KB
• Cpu Speed: 50MHz
• No. Of Timers: 3
• No. Of Pwm Channels: 8
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Processor Series: S12XE
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 119
• Number Of Timers: 25
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 24 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
24.1.2.3
24.1.2.4
24.1.2.5
24.1.3
The block diagram of the Flash module is shown in
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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
Up to 2 Kbytes of emulated EEPROM (EEE) accessible as 2 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 2 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. 1.23
Figure
24-1.
Freescale Semiconductor