RM46L852
www.ti.com
SPNS185 –SEPTEMBER 2012
1 RM46L852 16/32-Bit RISC Flash Microcontroller . 1 4.11 Tightly-Coupled RAM Interface Module ............ 84
1.1 Features ............................................. 1 4.12 Parity Protection for Accesses to peripheral RAMs 84
1.2 Applications .......................................... 2 4.13 On-Chip SRAM Initialization and Testing ........... 86
1.3 Description ........................................... 3 4.14 External Memory Interface (EMIF) ................. 88
1.4 Functional Block Diagram ........................... 5 4.15 Vectored Interrupt Manager ........................ 95
2 Device Package and Terminal Functions .......... 8 4.16 DMA Controller ..................................... 99
2.1 PGE QFP Package Pinout (144-Pin) ................ 8 4.17 Real Time Interrupt Module ....................... 102
2.2 ZWT BGA Package Ball-Map (337 Ball Grid Array) . 9 4.18 Error Signaling Module ............................ 104
2.3 Terminal Functions ................................. 10 4.19 Reset / Abort / Error Sources ..................... 108
3 Device Operating Conditions ....................... 46 4.20 Digital Windowed Watchdog ...................... 111
3.1 Absolute Maximum Ratings Over Operating Free-
4.21 Debug Subsystem ................................. 112
Air Temperature Range, ............................ 46
5 Peripheral Information and Electrical
3.2 Device Recommended Operating Conditions ...... 46
Specifications ......................................... 117
3.3 Switching Characteristics over Recommended
5.1 Enhanced Translator PWM Modules (ePWM) .... 117
Operating Conditions for Clock Domains .......... 47
5.2 Enhanced Capture Modules (eCAP) .............. 122
3.4 Wait States Required ............................... 47
5.3 Enhanced Quadrature Encoder (eQEP) .......... 124
3.5 Power Consumption Over Recommended
5.4 Multi-Buffered 12bit Analog-to-Digital Converter .. 126
Operating Conditions ............................... 48
5.5 General-Purpose Input/Output .................... 137
3.6 Input/Output Electrical Characteristics Over
5.6 Enhanced High-End Timer (N2HET) .............. 138
Recommended Operating Conditions .............. 49
5.7 Controller Area Network (DCAN) .................. 142
3.7 Output Buffer Drive Strengths ...................... 50
5.8 Local Interconnect Network Interface (LIN) ....... 143
3.8 Input Timings ....................................... 51
5.9 Serial Communication Interface (SCI) ............ 144
3.9 Output Timings ..................................... 51
5.10 Inter-Integrated Circuit (I2C) ...................... 145
3.10 Low-EMI Output Buffers ............................ 53
5.11 Multi-Buffered / Standard Serial Peripheral Interface
4 System Information and Electrical Specifications
..................................................... 148
............................................................. 54
5.12 Ethernet Media Access Controller ................ 160
4.1 Device Power Domains ............................ 54
5.13 Universal Serial Bus Controller ................... 164
4.2 Voltage Monitor Characteristics .................... 54
6 Device and Documentation Support ............. 165
4.3 Power Sequencing and Power On Reset .......... 56
6.1 Device and Development-Support Tool
4.4 Warm Reset (nRST) ................................ 58
Nomenclature ..................................... 165
4.5 ARM
©
Cortex-R4F™ CPU Information ............. 59
6.2 Community Resources ............................ 165
4.6 Clocks .............................................. 62
6.3 Device Identification ............................... 166
4.7 Clock Monitoring .................................... 71
7 Mechanical Data ...................................... 167
4.8 Glitch Filters ........................................ 73
7.1 Thermal Data ...................................... 167
4.9 Device Memory Map ................................ 74
7.2 Packaging Information ............................ 167
4.10 Flash Memory ...................................... 81
Copyright © 2012, Texas Instruments Incorporated Contents 7
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