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TMS570LS1225
SPNS191B – OCTOBER 2012 – REVISED FEBRUARY 2015
TMS570LS1225 16- and 32-Bit RISC Flash Microcontroller
1 Device Overview
1.1 Features
1
• High-Performance Automotive-Grade Microcontroller for Safety-Critical Applications – Dual CPUs Running in Lockstep – ECC on Flash and RAM Interfaces – Built-In Self-Test (BIST) for CPU and On-chip RAMs – Error Signaling Module With Error Pin – Voltage and Clock Monitoring
• ARM® Cortex®-R4F 32-Bit RISC CPU – 1.66 DMIPS/MHz With 8-Stage Pipeline – FPU With Single- and Double-Precision – 12-Region Memory Protection Unit (MPU) – Open Architecture With Third-Party Support
• Operating Conditions – Up to 180-MHz System Clock – Core Supply Voltage (VCC): 1.14 to 1.32 V – I/O Supply Voltage (VCCIO): 3.0 to 3.6 V
• Integrated Memory – 1.25MB of Program Flash With ECC – 192KB of RAM With ECC – 64KB of Flash for Emulated EEPROM With ECC
• 16-Bit External Memory Interface (EMIF) • Common Platform Architecture
– Consistent Memory Map Across Family – Real-Time Interrupt (RTI) Timer (OS Timer) – 128-Channel Vectored Interrupt Module (VIM) – 2-Channel Cyclic Redundancy Checker (CRC) • Direct Memory Access (DMA) Controller – 16 Channels and 32 Control Packets – Parity Protection for Control Packet RAM – DMA Accesses Protected by Dedicated MPU • Frequency-Modulated Phase-Locked Loop (FMPLL) With Built-In Slip Detector • Separate Nonmodulating PLL • IEEE 1149.1 JTAG, Boundary Scan and ARM CoreSight™ Components • Advanced JTAG Security Module (AJSM) • Calibration Capabilities – Parameter Overlay Module (POM) • 16 General-Purpose Input/Output (GPIO) Pins Capable of Generating Interrupts
• Enhanced Timing Peripherals for Motor Control – 7 Enhanced Pulse Width Modulator (ePWM) Modules – 6 Enhanced Capture (eCAP) Modules – 2 Enhanced Quadrature Encoder Pulse (eQEP) Modules
• Two Next Generation High-End Timer (N2HET) Modules – N2HET1: 32 Programmable Channels – N2HET2: 18 Programmable Channels – 160-Word Instruction RAM Each With Parity Protection – Each N2HET Includes Hardware Angle Generator – Dedicated High-End Timer Transfer Unit (HTU) for Each N2HET
• Two 12-Bit Multibuffered Analog-to-Digital Converter (MibADC) Modules – ADC1: 24 Channels – ADC2: 16 Channels Shared With ADC1 – 64 Result Buffers Each With Parity Protection
• Multiple Communication Interfaces – FlexRay Controller With 2 Channels
• 8KB of Message RAM With Parity Protection
• Dedicated FlexRay Transfer Unit (FTU) – Three CAN Controllers (DCANs)
• 64 Mailboxes Each With Parity Protection
• Compliant to CAN Protocol Version 2.0A and 2.0B
– Inter-Integrated Circuit (I2C) – Three Multibuffered Serial Peripheral Interface
(MibSPI) Modules
• 128 Words Each With Parity Protection
• 8 Transfer Groups – Up to Two Standard Serial Peripheral Interface
(SPI) Modules – Two UART (SCI) Interfaces, One With Local
Interconnect Network (LIN 2.1) Interface Support • Packages – 144.