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RM46L850 PDF预览

RM46L850

更新时间： 2024-11-21 12:01:47
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德州仪器 - TI 闪存微控制器
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RM46Lx50 16/32-Bit RISC Flash Microcontroller

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RM46L850 数据手册

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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  
1
• High-Performance Microcontroller for Safety  
Critical Applications  
• Two High-End Timer Modules (N2HET)  
– N2HET1: 32 programmable channels  
– 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  
– 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)  
• 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  
•
•
IEEE 802.3 compliant (3.3V-I/O only)  
Supports MII, RMII and MDIO  
– USB (revision 2.0 full-speed)  
– 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  
•
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  
•
– 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  
– 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  
• Frequency-Modulated Phase-Locked-Loop  
(FMPLL) with Built-In Slip Detector  
• Separate Non-Modulating PLL  
– Up to two Standard Serial Peripheral  
Interfaces (SPI)  
• IEEE 1149.1 JTAG, Boundary Scan and ARM  
CoreSight Components  
• Advanced JTAG Security Module (AJSM)  
• Trace and Calibration Capabilities  
– Two UART (SCI) interfaces, one with Local  
Interconnect Network Interface (LIN 2.1)  
Support  
• Up to 101 general purpose I/O (GIO) capable  
pins  
– Parameter Overlay Module (POM)  
– 16 dedicated GIO pins with interrupt  
generation capability  
• Packages  
• Enhanced Timing Peripherals for Motor Control  
– 7 Enhanced Pulse Width Modulators (ePWM)  
– 6 Enhanced Capture (eCAP)  
– 144-pin Quad Flatpack (PGE) [Green]  
– 337-Ball Grid Array (ZWT) [Green]  
– 2 Enhanced Quadrature Encoder Pulse  
(eQEP)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCT PREVIEW information concerns products in the formative or design phase of  
development. Characteristic data and other specifications are design goals. Texas  
Instruments reserves the right to change or discontinue these products without notice.  
Copyright © 2012, Texas Instruments Incorporated  
 
 
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