MPC5200CVR400B Microprocessors

The MPC5200B blends a high-performance MPC603e series e300 core with a wide range of peripheral capabilities targeted at communications and systems integration. The PowerPC® core architecture serves as the basis for the e300 core design. The MPC5200B has a cutting-edge BestComm I/O subsystem that separates routine maintenance of peripheral functions from the embedded e300 core. Six Programmable Serial Controllers (PSC), I2C, J1850, Timers, CAN, SPI, and GPIOs are included in the MPC5200B, and an SDRAM/DDR Memory Controller, a flexible External Bus Interface, PCI Controller, USB, ATA, and Ethernet.

MPC5200CVR400B Key Features

MPC603e series e300 core

• Superscalar architecture is present.
• Features a 16 KB data cache and a 16 KB instruction cache.
• Features FPU with double accuracy.
• Has a data and instruction MMU.
• Capability for both standard and critical interrupts.

SDRAM / DDR Memory Interface

• Operation of 133 MHz or more.
• Support for SDRAM and DDR SDRAM.
• Two CS are available, each with a 256 MB addressing range.
• Data bus in 32 bits.
• Initialization and Refresh are built-in.

Flexible multi-function External Bus Interface

• Supports connecting to other memory-mapped devices or ROM/Flash/SRAM memories.
• 8 Chip Selects that are programmable.
• Capable of short or long bursts.
• Employing an 8-/16-/32-bit data bus with a full 25-bit address for multiplexed data access.

(PCI) Peripheral Component Interconnect Controller

• Support for PCI version 2.2.
• Target and initiator PCI operation.
• PCI Address/Data bus in 32 bits.
• Operating at 33 and 66 MHz.
• Arbitration feature of PCI.

ATA Controller

• The external interface that is ATA version 4 compatible—IDE Disk.
• Encourage connectivity

BestComm DMA subsystem

• virtual DMA controller with intelligence.
• Dedicated DMA channels are used to regulate peripheral transmission and reception.
• Regional memory (SRAM 16 KB).

6 Programmable Serial Controllers (PSC)

• RS232 or UART interface.
• Soft Modem CODEC interface, Master/Slave.
• AC97, I2S, and CODEC Mode.
• SPI full duplex mode.
• From 2400 bps to 4 Mbps in IrDA mode.

Fast Ethernet Controller (FEC)

• Supports 10 Mbps 7-wire interface, 100 Mbps IEEE 802.3 MII, and IEEE 802.3 MI.

Systems level features

• The interrupt Controller and four external interrupt request lines support forty-seven internal interrupt sources.
• GPIO/Timer capabilities There are up to 56 total GPIO pins that enable different interrupt/WakeUp features.
• Eight timer-capable GPIO pins can be used for input capture, output comparison, and pulse width modulation (PWM) operations.
• Real-time clock with a resolution of one second.
• Systems Defense (watchdog timer, bus monitor).
• Control over each functional block clock source.
• Modes for managing energy: nap, doze, sleep, and deep sleep.
• Various sources support WakeUp from low power modes (GPIO, RTC, CAN).

Test/Debug features

• JTAG (IEEE 1149.1 test access port) (IEEE 1149.1 test access port).
• Debug port for Common On-Chip Processors (COP).

MPC5200CVR400B Feature

• Power ArchitectureTM CPU core from the MPC603e series.
• Operate between -40°C and +85°C at a frequency of 0–400 MHz.
• Floating-Point Double Precision Unit (FPU).
• Data and Instruction Memory Management Unit (MMU)
• Instruction and data caches of 16K.
• Intelligent DMA I/O Controller by BestComm.
• Double Data Rate (DDR) memory interface @ 133 MHz and SDR (266 MHz effective).
• Flash memory interface Local Plus, etc.
• Ethernet MAC 10/100.
• ATA/IDE Interface, Peripheral Control Interface (PCI) Version 2.2.
• two USB 1.1 hosts apiece. Compatible with USB 2.0.
• Serial controllers that can be programmed (six).
• Peripheral Serial Interface (SPI).
• I2C (two) (two).
• I2S (up to three) (up to three).
• CAN 2.0 A/B (two).
• BDLC-D J1850.
• GPIO (up to 56). (up to 56).
• Eight timing
• 3V external, 1.5V internal (and 2.5V for DDR memory).
• The automotive grade is offered in AEC-Q100, QS9000, and TS-16949.
• Packages with and without lead (Pb).

Frequently Asked Questions

What is MPU

Memory protection is provided by a memory protection unit (MPU), a piece of computer hardware. Typically, it is implemented as a central processing unit (CPU) component. A simplified version of the memory management unit (MMU), the memory protection unit (MPU), only supports memory protection. It is typically used in low-power CPUs because they merely need memory protection and don’t require advanced features like virtual memory management.

The MPU gives privileged software the ability to establish memory areas and give each one a unique set of memory properties and access permissions. The number of supported memory regions varies depending on how the CPU is implemented. The MPU can support up to 16 regions on ARMv8-M CPUs. The memory attributes define the ordering, merging, caching, and buffering actions of these regions. If accessible, cache properties can be exported for use by system caches and used by internal caches.

The MPU keeps track of all transactions, including data accesses and instruction fetches from the processor. The MPU may raise a fault exception if an access violation is discovered. Thanks to memory protection, a process cannot access memory that has not been allotted to it. Doing this prevents a process’s defect or malware from other processes and the operating system as a whole.

What is MPU used for?

The MPU prevents malicious processes from bad system memory and user memory regions. Permissions for several embedded operating systems at the privileged and unprivileged access levels (OS).

Conclusion

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