Datasheet > MPXR2005VMM80R

MPXR2005VMM80R

更新时间： 2024-02-16 15:11:42

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		微控制器
页数	文件大小	规格书
30页	137K
描述
32-bit Power ArchitectureÂ® Microcontrollers for Highly Reliable

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MPXR2005VMM80R 数据手册

Features

The DPM mode increased performances can be estimated in first approximation as about 1.6× the

performance of the LSM mode at the same frequency for shared program flash configuration (up to 2×,

depending on software).

PXS20 devices support only static configuration at power-on (either LSM or DPM).

2.4.3

Mode-Specific Performance Parameters

•

LSM:

— Up to 240 million integer instructions per second (dual integer unit)

— Up to 240 million floating point instructions per second (FPU)

— Up to 480 million multiply and accumulate instructions per second (SPE)

DPM:

•

— 384–480 million integer/floating point instructions per second

— 768–960 million multiply and accumulate instructions per second

2.4.4

Functional Safety Suitability

The PXS20 has been successfully assessed by Exida Certification (Official Certification issued on Nov.

30th 2007) to be fit for purpose to achieve a safety integrity level 3 (SIL3) as per IEC61508-part 2 standard

with an overall SoC PFH of 0.1 FIT in LSM mode.

The mode of operation which allows to reach the highest safety level with minimum software requirement

is the Lock Step mode (LSM).

SIL3 innovative safety concept:

•

LockStep mode and Fail-safe protection

Sphere of replication (SoR) for key components (such as CPU core, eDMA, crossbar switch)

Fault collection and control unit (FCCU)

Redundancy control and checker unit (RCCU) on outputs of the SoR connected to FCCU

Boot-time Built-In Self-Test for Memory (MBIST) and Logic (LBIST) triggered by hardware

Boot-time Built-In Self-Test for ADC and flash memory triggered by software

Replicated safety enhanced watchdog

Replicated junction temperature sensor

Non-maskable interrupt (NMI)

16-region memory protection unit (MPU)

Clock monitoring units (CMU)

Power management unit (PMU)

Cyclic redundancy check (CRC) unit

2.5

Module Features

PXS20 Product Brief, Rev. 1

Freescale Semiconductor

1...5 6 789 10 11...30

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