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RM46L450 Datasheet, PDF (1/172 Pages) Texas Instruments – RM46Lx50 16/32-Bit RISC Flash Microcontroller
RM46L450
RM46L850
www.ti.com
SPNS184 – SEPTEMBER 2012
RM46Lx50 16/32-Bit RISC Flash Microcontroller
1 RM46Lx50 16/32-Bit RISC Flash Microcontroller
1.1 Features
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• High-Performance Microcontroller for Safety
Critical Applications
– Dual CPUs running in lockstep
– ECC on flash and RAM interfaces
– Built-In Self Test for CPU and on-chip RAMs
– Error Signaling Module with Error Pin
– Voltage and Clock Monitoring
• ARM® Cortex™ – R4F 32-bit RISC CPU
– 1.66DMIPS/MHz with 8-stage pipeline
– FPU with Single/Double Precision
– 12-Region Memory Protection Unit
– Open Architecture with 3rd Party Support
• Operating Conditions
– 200MHz System Clock
– Core Supply Voltage (VCC): 1.14V - 1.32V
– I/O Supply Voltage (VCCIO): 3.0V - 3.6V
• Integrated Memory
– Up to 1.25MB Program Flash with ECC
– Up to 192KB RAM with ECC
– 64KB Flash for emulated EEPROM with ECC
• 16- bit External Memory Interface (EMIF)
• Common Platform Architecture
– Consistent memory map across family
– Real-Time Interrupt Timer (RTI) 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 Non-Modulating PLL
• IEEE 1149.1 JTAG, Boundary Scan and ARM
CoreSight Components
• Advanced JTAG Security Module (AJSM)
• Trace and Calibration Capabilities
– Parameter Overlay Module (POM)
• Enhanced Timing Peripherals for Motor Control
– 7 Enhanced Pulse Width Modulators (ePWM)
– 6 Enhanced Capture (eCAP)
– 2 Enhanced Quadrature Encoder Pulse
(eQEP)
• Two High-End Timer Modules (N2HET)
– N2HET1: 32 programmable channels
– N2HET2: 18 programmable channels
– 160 Word Instruction RAM with parity
protection each
– Each includes Hardware Angle Generator
– Dedicated Transfer Units (HTU) on N2HETs
• Two 10/12-bit Multi-Buffered ADC Modules
– ADC1: 24 channels
– ADC2: 16 channels
– 16 shared channels
– 64 result buffers with parity protection each
• Multiple Communication Interfaces
– 10/100 Mbps Ethernet MAC (EMAC)
• IEEE 802.3 compliant (3.3V-I/O only)
• Supports MII, RMII and MDIO
– USB (revision 2.0 full-speed)
• 2-port USB Specification, revision 2.0-
compatible host controller, based on the
OHCI Specification for USB, release 1.0
• USB device compatible with the USB
Specification, revision 2.0 and USB
Specification, revision 1.1
– Three CAN Controllers (DCAN)
• 64 mailboxes with parity protection each
• Compliant to CAN protocol version
2.0A/B
– Inter-Integrated Circuit (I2C)
– Three Multi-buffered Serial Peripheral
Interfaces (MibSPI)
• 128 Words with Parity Protection each
• 8 Transfer groups
– Up to two Standard Serial Peripheral
Interfaces (SPI)
– Two UART (SCI) interfaces, one with Local
Interconnect Network Interface (LIN 2.1)
Support
• Up to 101 general purpose I/O (GIO) capable
pins
– 16 dedicated GIO pins with interrupt
generation capability
• Packages
– 144-pin Quad Flatpack (PGE) [Green]
– 337-Ball Grid Array (ZWT) [Green]
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PRODUCT PREVIEW information concerns products in the formative or design phase of
development. Characteristic data and other specifications are design goals. Texas
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Copyright © 2012, Texas Instruments Incorporated