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TMS570LS1227 Datasheet, PDF (1/184 Pages) Texas Instruments – TMS570LS1227 16- and 32-Bit RISC Flash Microcontroller
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TMS570LS1227
SPNS192B – OCTOBER 2012 – REVISED FEBRUARY 2015
TMS570LS1227 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 ADC Modules
– ADC1: 24 Channels
– ADC2: 16 Channels Shared With ADC1
– 64 Result Buffers Each With Parity Protection
• Multiple Communication Interfaces
– 10/100 Mbps Ethernet MAC (EMAC)
• IEEE 802.3 Compliant (3.3-V I/O Only)
• Supports MII, RMII, and MDIO
– 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-Pin Quad Flatpack (PGE) [Green]
– 337-Ball Grid Array (ZWT) [Green]
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.