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RM48L940 Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce RM48L940
Description  RM48Lx40 16- and 32-Bit RISC Flash Microcontroller
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

RM48L940 Fiches technique(HTML) 1 Page - Texas Instruments

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RM48L940, RM48L740, RM48L540
SPNS175C – APRIL 2012 – REVISED JUNE 2015
RM48Lx40 16- and 32-Bit RISC Flash Microcontroller
1
Device Overview
1.1
Features
1
• High-Performance Microcontroller for Safety-
• Multiple Communication Interfaces
Critical Applications
– 10/100 Mbps Ethernet MAC (EMAC)
– Dual CPUs Running in Lockstep
IEEE 802.3 Compliant (3.3-V I/O Only)
– ECC on Flash and RAM Interfaces
Supports MII, RMII, and MDIO
– Built-In Self-Test (BIST) for CPU and On-chip
– Three CAN Controllers (DCANs)
RAMs
64 Mailboxes, Each With Parity Protection
– Error Signaling Module With Error Pin
Compliant to CAN Protocol Version 2.0B
– Voltage and Clock Monitoring
– Standard Serial Communication Interface (SCI)
• ARM® Cortex®-R4F 32-Bit RISC CPU
– Local Interconnect Network (LIN) Interface
– Efficient 1.66 DMIPS/MHz With 8-Stage Pipeline
Controller
– FPU With Single- and Double-Precision
Compliant to LIN Protocol Version 2.1
– 12-Region Memory Protection Unit (MPU)
Can be Configured as a Second SCI
– Open Architecture With Third-Party Support
– Inter-Integrated Circuit (I2C)
• Operating Conditions
– Three Multibuffered Serial Peripheral Interfaces
– System Clock up to 200 MHz
(MibSPIs)
– Core Supply Voltage (VCC): 1.2 V Nominal
128 Words With Parity Protection Each
– I/O Supply Voltage (VCCIO): 3.3 V Nominal
– Two Standard Serial Peripheral Interfaces
(SPIs)
– ADC Supply Voltage (VCCAD): 3.0 to 5.25 V
• Two Next Generation High-End Timer (N2HET)
• Integrated Memory
Modules
– 3MB of Program Flash With ECC (RM48L940)
– N2HET1: 32 Programmable Channels
– 2MB of Program Flash With ECC
– N2HET2: 18 Programmable Channels
(RM48L740/540)
– 160-Word Instruction RAM Each With Parity
– 256KB of RAM With ECC (RM48L940/740)
Protection
– 192KB of RAM With ECC (RM48L540)
– Each N2HET Includes Hardware Angle
– 64KB of Flash With ECC for Emulated
Generator
EEPROM
– Dedicated High-End Transfer Unit (HTU) With
• 16-Bit External Memory Interface
MPU for Each N2HET
• Common Platform Architecture
• Two 12-Bit Multibuffered ADC Modules
– Consistent Memory Map Across Family
– ADC1: 24 Channels
– Real-Time Interrupt (RTI) Timer OS Timer
– ADC2: 16 Channels Shared With ADC1
– 96-Channel Vectored Interrupt Module (VIM)
– 64 Result Buffers With Parity Protection Each
– 2-Channel Cyclic Redundancy Checker (CRC)
• General-Purpose Input/Output (GPIO) Pins
• Direct Memory Access (DMA) Controller
Capable of Generating Interrupts
– 16 Channels and 32 Peripheral Requests
– 16 Pins on the ZWT Package
– Parity Protection for Control Packet RAM
– 10 Pins on the PGE Package
– DMA Accesses Protected by Dedicated MPU
• IEEE 1149.1 JTAG, Boundary Scan and ARM
• Frequency-Modulated Phase-Locked Loop
CoreSight™ Components
(FMPLL) With Built-In Slip Detector
• JTAG Security Module
• Separate Nonmodulating PLL
• Packages
• Trace and Calibration Capabilities
– 144-Pin Quad Flatpack (PGE) [Green]
– Embedded Trace Macrocell (ETM-R4)
– 337-Ball Grid Array (ZWT) [Green]
– Data Modification Module (DMM)
– RAM Trace Port (RTP)
– Parameter Overlay Module (POM)
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.


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