S912XET256BVAAR
16Bit MCU, S12X core, 256KB Flash, 50MHz, -40/+105℃, Automotive Qualified, QFP 80
Overview
The S12XE family of MCUs takes the S12XD family a step further with features that deliver enhanced system integrity and greater functionality, including:
* Memory protection unit MPU
* Error correction code ECC
* Enhanced EEPROM functionality
* Enhanced XGATE
* Frequency-modulated locked loop
* Faster analog-to-digital converter ADC
Additionally, the S12XE family:
* Extends the S12X product range up to 1 MB of flash memory with increased I/O capability in the 208-pin version of the flagship MC9S12XE100
* Delivers 32-bit performance with all the advantages and efficiencies of a 16-bit MCU
* Is optimized for automotive multiplexing, generic auto body and industrial applications
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## Features
* XGATE co-processor assists building virtual peripherals and boosting the overall performance
* Flexible, programmable, hardware-emulated EEPROM
* System integrity support with the memory protection unit & supervisor/user modes
* S12X CPU @ 50Mhz bus speed
* ADC 12-bit resolution and 3μs conversion time
* Enhance capture timer ECT
* Periodic interrupt timer PIT
* Real Time Interrupt RTI
* Asynchronous periodic interrupt API
* Pulse width modulator PWM
* MSCAN Module
* Serial peripherial interface SPI
* Serial communication interface SCI
* Background debug module BDM debugger xDBG
* On-chip voltage regulator
* This product is included in our product longevity program, with assured supply for a minimum of 15 years after launch
* Ultra-Reliable MCUs
## Features Comparison Table
### S12XE Family Members
| MC9S12XEP| MC9S12XEQ| MC9S12XEG| MC9S12XES| MC9S12XET| MC9S12XEA
\---|---|---|---|---|---|---
Internal Flash| 768 to 1M| 384 to 512| 128 to 384| 384| 256| 128 to 256
Packages| 112&144 LQFP, 208 MPBGA| 80, 112, 144 LQFP| 80, 112, 144 LQFP| 80, 112, 144 LQFP| 80, 112, 144 LQFP| 80, 112, 144 LQFP
Serial Interface Type| CAN, SCI, SPI, I2C| CAN, SCI, SPI, I2C| CAN, SCI, SPI, I2C| CAN, SCI, SPI, I2C| CAN, SCI, SPI, I2C| CAN, SCI, SPI, I2C
Max. Number of Serial Interface| 5, 8, 3, 2| 4, 6, 3, 2| 2, 6, 3, 2| 1, 2, 1, 2| 3, 4, 3, 1| 3, 2, 3, 1
Timers| ECT, PIT, TIM| ECT, PIT| ECT, PIT| ECT, PIT| ECT, PIT| ECT, PIT
XGATE co-processor| Yes| Yes| Yes| No| Yes| Yes
