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RM48L540 Datasheet(PDF) 91 Page - Texas Instruments

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Part # RM48L540
Description  RM48Lx40 16/32-Bit RISC Flash Microcontroller
PDF  152 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

RM48L540 Datasheet(HTML) 91 Page - Texas Instruments

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RM48L940
RM48L740
RM48L540
www.ti.com
SPNS175
– SEPTEMBER 2011
4.16 DMA Controller
The DMA controller is used to transfer data between two locations in the memory map in the background
of CPU operations. Typically, the DMA is used to:
•
Transfer blocks of data between external and internal data memories
•
Restructure portions of internal data memory
•
Continually service a peripheral
4.16.1 DMA Features
•
CPU independent data transfer
•
One master port - PortB (64 bits wide) that interfaces to the RM4x Memory System.
•
FIFO buffer(4 entries deep and each 64bit wide)
•
Channel control information is stored in RAM protected by parity
•
16 channels with individual enable
•
Channel chaining capability
•
32 peripheral DMA requests
•
Hardware and Software DMA requests
•
8, 16, 32 or 64-bit transactions supported
•
Multiple addressing modes for source/destination (fixed, increment, offset)
•
Auto-initiation
•
Power-management mode
•
Memory Protection with four configurable memory regions
Copyright
© 2011, Texas Instruments Incorporated
System Information and Electrical Specifications
91
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