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| 型號： | SAH-XC2336A-72F80L |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 0.50 MM PITCH, GREEN, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 34/106頁 |
| 文件大?。?/td> | 1607K |
| 代理商： | SAH-XC2336A-72F80L |
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XC2336A
XC2000 Family / Base Line
Functional Description
Data Sheet
33
V2.1, 2011-07
3.3
Memory Protection Unit (MPU)
The XC233xA’s Memory Protection Unit (MPU) protects user-specified memory areas
from unauthorized read, write, or instruction fetch accesses. The MPU can protect the
whole address space including the peripheral area. This completes establisched
mechanisms such as the register security mechanism or stack overrun/underrun
detection.
Four Protection Levels support flexible system programming where operating system,
low level drivers, and applications run on separate levels. Each protection level permits
different access restrictions for instructions and/or data.
Every access is checked (if the MPU is enabled) and an access violating the permission
rules will be marked as invalid and leads to a protection trap.
A set of protection registers for each protection level specifies the address ranges and
the access permissions. Applications requiring more than 4 protection levels can
dynamically re-program the protection registers.
3.4
Memory Checker Module (MCHK)
The XC233xA’s Memory Checker Module calculates a checksum (fractional polynomial
division) on a block of data, often called Cyclic Redundancy Code (CRC). It is based on
a 32-bit linear feedback shift register and may, therefore, also be used to generate
pseudo-random numbers.
The Memory Checker Module is a 16-bit parallel input signature compression circuitry
which enables error detection within a block of data stored in memory, registers, or
communicated e.g. via serial communication lines. It reduces the probability of error
masking due to repeated error patterns by calculating the signature of blocks of data.
The polynomial used for operation is configurable, so most of the commonly used
polynomials may be used. Also, the block size for generating a CRC result is
configurable via a local counter. An interrupt may be generated if testing the current data
block reveals an error.
An autonomous CRC compare circuitry is included to enable redundant error detection,
e.g. to enable higher safety integrity levels.
The Memory Checker Module provides enhanced fault detection (beyond parity or ECC)
for data and instructions in volatile and non volatile memories. This is especially
important for the safety and reliability of embedded systems.
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參數(shù)描述 |
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| SAH-XC2336B-40F80L AA | 功能描述:16位微控制器 - MCU 16 BIT FLASH C11 BCS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| SAH-XC2361A-56F80L34 AA | 制造商:Infineon Technologies AG 功能描述:INFSAHXC2361A56F80L34AA SP000473748_MCU_ |
| SAH-XC2361B-40F66L AA | 功能描述:16位微控制器 - MCU SnglChip MCU w/32Bit Perform Value RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| SAH-XC2361B-40F80L AA | 功能描述:16位微控制器 - MCU SnglChip MCU w/32Bit Perform Value RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| SAI Y-4S M8-M8 | 制造商:Weidmuller 功能描述:SPLITTER PLUG TO 2X RCPT M8 制造商:Weidmuller 功能描述:SPLITTER, PLUG TO 2X RCPT, M8, 4 WAY 制造商:Weidmuller 功能描述:SPLITTER, PLUG TO 2X RCPT, M8, 4 WAY, No. of Ports:2, SVHC:No SVHC (20-Jun-2013) |
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