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RM48L740 PDF预览

RM48L740

更新时间： 2024-11-19 12:21:43
品牌 Logo 应用领域
德州仪器 - TI 闪存微控制器
页数 文件大小 规格书
152页 2824K
描述
RM48Lx40 16/32-Bit RISC Flash Microcontroller

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RM48L740 数据手册

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RM48L940  
RM48L740  
RM48L540  
www.ti.com  
SPNS175–SEPTEMBER 2011  
RM48Lx40 16/32-Bit RISC Flash Microcontroller  
1 RM48Lx40 16/32-Bit RISC Flash Microcontroller  
1.1 Features  
1
• High-Performance Microcontroller for Safety  
• Multiple Communication Interfaces  
– 10/100 Mbps Ethernet MAC (EMAC)  
Critical Applications  
– Dual CPU’s running in lockstep  
– ECC on flash and RAM interfaces  
•
•
IEEE 802.3 compliant (3.3V-I/O only)  
Supports MII and MDIO  
– Built-In Self Test for CPU and on-chip RAMs  
– Error Signaling Module with Error Pin  
– Voltage and Clock Monitoring  
– Three CAN Controllers (DCAN)  
•
•
64 mailboxes with parity protection each  
Compliant to CAN protocol version 2.0B  
– Inter-Integrated Circuit (I2C)  
• ARM® Cortex™ – R4F 32-bit RISC CPU  
– Efficient 1.6DMIPS/MHz with 8-stage pipeline  
– Three Multi-buffered Serial Peripheral  
– Floating-Point Unit with Single/Double  
Interfaces (MibSPI)  
Precision  
•
128 Words with Parity Protection each  
– 12-Region Memory Protection Unit  
– Open Architecture with 3rd Party Support  
• Operating Conditions  
– Two Standard Serial Peripheral Interfaces  
(SPI)  
– Local Interconnect Network Interface (LIN)  
Controller  
– Up to 200MHz System Clock  
•
Compliant to LIN protocol version 2.1  
– Core Supply Voltage (VCC): 1.2V nominal  
– I/O Supply Voltage (VCCIO): 3.3V nominal  
• Integrated Memory  
– Up to 3MB Program Flash with ECC  
– Up to 256KB RAM with ECC  
– 64KB Flash for emulated EEPROM  
• 16- bit External Memory Interface  
• Common Platform Architecture  
– Consistent memory map across family  
– Real-Time Interrupt Timer (RTI) OS Timer  
– 96-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  
– Standard Serial Communication Interface  
(SCI)  
• Two High-End Timer Modules (N2HET)  
– N2HET1: 32 programmable channels  
– N2HET2: 20 programmable channels  
– 160 Word Instruction RAM with parity  
protection each  
– Each includes Hardware Angle Generator  
– Dedicated Transfer Unit for each N2HET  
(HTU)  
• Two 10/12-bit Multi-Buffered ADC Modules  
– ADC1: 24 channels  
– ADC2: 16 channels  
– 16 shared channels  
– 64 result buffers with parity protection each  
• Packages  
• Frequency-Modulated Phase-Locked-Loop  
(FMPLL) with Built-In Slip Detector  
• Separate Non-Modulating PLL  
– 144-pin Quad Flatpack (PGE) [Green]  
– 337-Ball Grid Array (ZWT) [Green]  
• IEEE 1149.1 JTAG, Boundary Scan and ARM  
CoreSight Components  
• JTAG Security Module  
• Trace and Calibration Capabilities  
– Embedded Trace Macrocell (ETM-R4)  
– Data Modification Module (DMM)  
– RAM Trace Port (RTP)  
– Parameter Overlay Module (POM)  
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  
Copyright © 2011, Texas Instruments Incorporated  
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.  
 
 
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