Datasheet > MC9S12XET256VAL

MC9S12XET256VAL

更新时间： 2024-01-18 18:36:37

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
15页	3828K
描述
16-bit MCU, S12X core, 256KB Flash, 50MHz, -40/+105degC, QFP 112

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MC9S12XET256VAL 数据手册

Features

• 1-bit fault correction

• 2-bit fault detection

• Improved EMC performance

• Separate supply for internal voltage regulator and I/O allow optimized EMC filtering

• Enhanced current consumption

• Extended API up to 5 sec

3.5 Module Features

The following sections provide more details of the modules implemented on the MC9S12XE.

3.5.1 16-Bit CPU12X

• 16-bit CPU12X

• Compatible with MC9S12 instruction set with the exception of five fuzzy instructions (MEM, WAV, WAVR, REV,

REVW) which have been removed.

• Enhanced indexed addressing

• Access to large data segments independent of PPAGE

3.5.2 Enhanced Interrupt Module

• Eight levels of nested interrupts

• Flexible assignment of interrupt sources to each interrupt level.

• External non-maskable high priority interrupt (XIRQ)

• Internal, non-maskable high priority memory protection unit interrupt

• Up to 24 pins on ports J, H and P configurable as rising or falling edge sensitive

3.5.3 XGATE

• Programmable, high performance I/O coprocessor module with up to 100 MIPS RISC performance

• Transfers data to or from all peripherals and RAM without CPU intervention or CPU wait states

• Performs logical, shifts, arithmetic, and bit operations on data

• Can interrupt the S12X CPU signalling transfer completion

• Triggers from any hardware module as well as from the CPU possible

• Two interrupt levels to service high priority tasks

• Enables Full CAN capability when used in conjunction with MSCAN module

• Full LIN master or slave capability when used in conjunction with the integrated LIN SCI modules

3.5.4 Memory Protection Unit (MPU)

• 8 address regions definable per active program task

• Address range granularity as low as 8-bytes

• Protection Attributes

• No write

• No execute

MC9S12XE Family Product Brief, Rev. 9, 4/2015

Freescale Semiconductor, Inc.

1...4 5 678 9 10...15

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