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RM46L430 Datasheet(PDF) 2 Page - Texas Instruments

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Part # RM46L430
Description  16- and 32-Bit RISC Flash Microcontroller
Download  179 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

RM46L430 Datasheet(HTML) 2 Page - Texas Instruments

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RM46L430, RM46L830
SPNS182C – SEPTEMBER 2012 – REVISED JUNE 2015
www.ti.com
1.2
Applications
Industrial Safety Applications
Medical Applications
Industrial Automation
Ventilators
Safe Programmable Logic Controllers (PLCs)
Defibrillators
Power Generation and Distribution
Infusion and Insulin Pumps
Turbines and Windmills
Radiation Therapy
Elevators and Escalators
Robotic Surgery
1.3
Description
The RM46Lx30 device is a high-performance microcontroller family for safety systems. The safety
architecture includes dual CPUs in lockstep, CPU and memory BIST logic, ECC on both the flash and the
data SRAM, parity on peripheral memories, and loopback capability on peripheral I/Os.
The RM46Lx30 device integrates the ARM Cortex-R4F floating-point CPU which offers an efficient
1.66 DMIPS/MHz, and can run up to 200 MHz providing up to 332 DMIPS. The device supports the little-
endian [LE] format.
The RM46L830 device has 1.25MB of integrated flash and 192KB of data RAM with single-bit error
correction and double-bit error detection. The RM46L430 device has 1MB of integrated flash and 128KB
of data RAM with single-bit error correction and double-bit error detection. The flash memory on this
device is a nonvolatile, electrically erasable and programmable memory, implemented with a 64-bit-wide
data bus interface. The flash operates on a 3.3-V supply input (same level as I/O supply) for all read,
program, and erase operations. When in pipeline mode, the flash operates with a system clock frequency
of up to 200 MHz. The SRAM supports single-cycle read and write accesses in byte, halfword, word, and
double-word modes throughout the supported frequency range.
The RM46Lx30 device features peripherals for real-time control-based applications, including two Next
Generation High-End Timer (N2HET) timing coprocessors with up to 44 I/O terminals, seven Enhanced
Pulse Width Modulator (ePWM) modules with up to 14 outputs, six Enhanced Capture (eCAP) modules,
two Enhanced Quadrature Encoder Pulse (eQEP) modules, and two 12-bit Analog-to-Digital Converters
(ADCs) supporting up to 24 inputs.
The N2HET is an advanced intelligent timer that provides sophisticated timing functions for real-time
applications. The timer is software-controlled, using a reduced instruction set, with a specialized timer
micromachine and an attached I/O port. The N2HET can be used for pulse-width-modulated outputs,
capture or compare inputs, or general-purpose I/O (GIO). The N2HET is especially well suited for
applications requiring multiple sensor information and drive actuators with complex and accurate time
pulses. A High-End Timer Transfer Unit (HTU) can perform DMA-type transactions to transfer N2HET data
to or from main memory. A Memory Protection Unit (MPU) is built into the HTU.
The ePWM module can generate complex pulse width waveforms with minimal CPU overhead or
intervention. The ePWM is easy to use and it supports both high-side and low-side PWM and deadband
generation. With integrated trip zone protection and synchronization with the on-chip MibADC, the ePWM
module is ideal for digital motor control applications.
The eCAP module is essential in systems where the accurately timed capture of external events is
important. The eCAP can also be used to monitor the ePWM outputs or for simple PWM generation when
the eCAP is not needed for capture applications.
The eQEP module is used for direct interface with a linear or rotary incremental encoder to get position,
direction, and speed information from a rotating machine as used in high-performance motion and
position-control systems.
2
Device Overview
Copyright © 2012–2015, Texas Instruments Incorporated
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Product Folder Links: RM46L430 RM46L830


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