MCU with integrated 64-bit SRAM controller, Memory Protection Unit and real-time, low latency execution unit, optimized for low cost, low power microcontroller and embedded applications

Features

• 30% higher frequency of equivalent MIPS microAptiv implementations
• 6 stage pipeline Load/Store architecture with single cycle ALU operations
• Dedicated DSP and SIMD module Single cycle throughput multiply and MAC operations
• Supports 32×32, 16×16, dual 16×16, dual 8×8, dual 8×16
• Implements over 150 instructions, including 70 SIMD and 38 Multiply/MAC instructions
• Supports up to 4 Accumulators
• 32 General Purpose Registers Up to 16 shadow register sets
• M6200: Tightly coupled SRAM controller Single cycle
• 32-bit address, 64-bit data
• Dual instruction and data interfaces
• M6250: Programmable L1 instruction/data cache controller Up to 64KB, 2 or 4-Way Set Associative
• 64-byte cache line size
• 64-bit instruction/data cache, accessible in same pipeline cycle
• M6250: Optional Tightly Coupled Sratchpad RAM (SPRAM) controller Up to 1MB instruction/data SPRAM
• Data Integrity: Error Correction (ECC) and parity ECC support on instruction and data memories: SPRAM, L1 cache and SPRAM
• Single error correction and double error detection (SECDED)
• Parity support on instruction and data
• Up to 4GB Virtual Memory support – User, Kernel and Debug modes
• M6200 Memory Management Unit (MMU) Up to 16 region Memory Protection Unit with address, size and protection options
• Fixed Memory Translation (FMT)
• M6250 Memory Management Unit (MMU) Instruction/Data Translation Lookaside Bufer (TLB)
• 32/dual entry 16 fully associative Joint TLB (JTLB)
• 4-entry Instruction TLB and 4-entry Data TLB
• M6250: 40-bit eXtended Physical Addressing
• MCU Application Specific Extension (MCU ASE) Supports up to 255 interrupts from external interrupt controller
• Separate priority and vector generation
• Automated interrupt handling instructions
• Supports tailchaining
• Supports use of GPR shadow sets for reduced interrupt latency
• Interrupt Control Unit (optional) Supports up to 255 configurable interrupts
• Supports interrupt source sensitivity (level-positive, level-negative, edge-positive, edge-negative, dual-edge-sensitive)
• Debug Port AMBA APB parallel debug port
• Supports mixed-core debugging
• MIPS Debug Hub (optional) Supports connections to JTAG and/or APB compatible debug systems
• Supports multi-core debugging
• Debug and Trace profiling Simple instruction/data breakpoint support – 4I/2D, 8I/4D
• Complex instruction/data breakpoint support – 8I/4D
• Fast Debug Channel
• Performance Counters and PC/Address Sampling profiling support
• iFlowtrace Instruction Trace
• Secure Debug
• M6250: AMBA 3 AXI Bus Interface Unit
• Power Management Incorporates extensive fine-grain clock gating
• Power Down modes initiated by a register control or WAIT instruction

Applications

• Internet of Things (IoT), Machine to Machine (M2M)
• High frequency networks, packet inspection/messaging processing systems
• Large address space embedded applications – SSD and Flash controllers, GPU co-processor
• High reliability industrial, enterprise, and automotive system
• Wearables

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