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RM48L952
SPNS177D –SEPTEMBER 2011–REVISED JUNE 2015
RM48L952 16- and 32-Bit RISC Flash Microcontroller
1 Device Overview
1.1 Features
1
• High-Performance Microcontroller for Safety-
Critical Applications
• Multiple Communication Interfaces
– 10/100 Mbps Ethernet MAC (EMAC)
– Dual CPUs Running in Lockstep
– ECC on Flash and RAM Interfaces
•
•
IEEE 802.3 Compliant (3.3-V I/O Only)
Supports MII, RMII, and MDIO
– Built-In Self-Test (BIST) for CPU and On-chip
RAMs
– Error Signaling Module With Error Pin
– Voltage and Clock Monitoring
– USB
•
•
2-Port USB Host Controller
One Full-Speed USB Device Port
– Three CAN Controllers (DCANs)
• ARM® Cortex®-R4F 32-Bit RISC CPU
– Efficient 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
•
•
64 Mailboxes, Each With Parity Protection
Compliant to CAN Protocol Version 2.0B
– Standard Serial Communication Interface (SCI)
– Local Interconnect Network (LIN) Interface
Controller
•
•
Compliant to LIN Protocol Version 2.1
Can be Configured as a Second SCI
– System Clock up to 220 MHz
– Inter-Integrated Circuit (I2C)
– Core Supply Voltage (VCC): 1.2 V Nominal
– I/O Supply Voltage (VCCIO): 3.3 V Nominal
– ADC Supply Voltage (VCCAD): 3.0 to 5.25 V
• Integrated Memory
– Three Multibuffered Serial Peripheral Interfaces
(MibSPIs)
•
128 Words With Parity Protection Each
– 3MB of Program Flash With ECC
– 256KB of RAM With ECC
– Two Standard Serial Peripheral Interfaces
(SPIs)
• Two Next Generation High-End Timer (N2HET)
Modules
– 64KB of Flash With ECC for Emulated
EEPROM
– N2HET1: 32 Programmable Channels
– N2HET2: 18 Programmable Channels
• 16-Bit External Memory Interface
• Common Platform Architecture
– 160-Word Instruction RAM Each With Parity
Protection
– Each N2HET Includes Hardware Angle
Generator
– Dedicated High-End Transfer Unit (HTU) With
MPU for Each N2HET
– Consistent Memory Map Across Family
– Real-Time Interrupt (RTI) Timer OS Timer
– 96-Channel Vectored Interrupt Module (VIM)
– 2-Channel Cyclic Redundancy Checker (CRC)
• Direct Memory Access (DMA) Controller
– 16 Channels and 32 Peripheral Requests
– Parity Protection for Control Packet RAM
– DMA Accesses Protected by Dedicated MPU
• Two 12-Bit Multibuffered ADC Modules
– ADC1: 24 Channels
– ADC2: 16 Channels Shared With ADC1
– 64 Result Buffers With Parity Protection Each
• General-Purpose Input/Output (GPIO) Pins
Capable of Generating Interrupts
– 16 Pins on the ZWT Package
– 10 Pins on the PGE Package
• IEEE 1149.1 JTAG, Boundary Scan and ARM
CoreSight™ Components
• Frequency-Modulated Phase-Locked Loop
(FMPLL) With Built-In Slip Detector
• Separate Nonmodulating PLL
• Trace and Calibration Capabilities
– Embedded Trace Macrocell (ETM-R4)
– Data Modification Module (DMM)
– RAM Trace Port (RTP)
– Parameter Overlay Module (POM)
• JTAG Security Module
• Packages
– 144-Pin Quad Flatpack (PGE) [Green]
– 337-Ball Grid Array (ZWT) [Green]
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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.