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AMPL138ZCEA3

更新时间： 2024-11-18 06:37:11
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德州仪器 - TI /
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268页 2298K
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OMAP-L138 Low-Power Applications Processor

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AMPL138ZCEA3 数据手册

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OMAP-L138 Low-Power Applications Processor  
www.ti.com  
SPRS586A–JUNE 2009–REVISED AUGUST 2009  
1 OMAP-L138 Low-Power Applications Processor  
1.1 Features  
(RCPxP) and Square-Root Reciprocal  
Approximation (RSQRxP) Operations  
Per Cycle  
•
Dual Core SoC  
–
–
300-MHz ARM926EJ-S™ RISC MPU  
300-MHz C674x VLIW DSP  
–
Two Multiply Functional Units  
•
ARM926EJ-S Core  
•
Mixed-Precision IEEE Floating Point  
Multiply Supported up to:  
–
–
–
–
–
32-Bit and 16-Bit (Thumb®) Instructions  
DSP Instruction Extensions  
Single Cycle MAC  
ARM® Jazelle® Technology  
EmbeddedICE-RT™ for Real-Time Debug  
–
–
–
–
2 SP x SP -> SP Per Clock  
2 SP x SP -> DP Every Two Clocks  
2 SP x DP -> DP Every Three Clocks  
2 DP x DP -> DP Every Four Clocks  
•
•
ARM9 Memory Architecture  
•
Fixed Point Multiply Supports Two 32 x  
32-Bit Multiplies, Four 16 x 16-Bit  
Multiplies, or Eight 8 x 8-Bit Multiplies  
per Clock Cycle, and Complex Multiples  
C674x Instruction Set Features  
–
–
–
–
–
–
–
Superset of the C67x+™ and C64x+™ ISAs  
2400/1800 C674x MIPS/MFLOPS  
Byte-Addressable (8-/16-/32-/64-Bit Data)  
8-Bit Overflow Protection  
Bit-Field Extract, Set, Clear  
Normalization, Saturation, Bit-Counting  
Compact 16-Bit Instructions  
–
–
–
Instruction Packing Reduces Code Size  
All Instructions Conditional  
Hardware Support for Modulo Loop  
Operation  
Protected Mode Operation  
Exceptions Support for Error Detection and  
Program Redirection  
–
–
•
•
C674x Two Level Cache Memory Architecture  
–
–
–
–
–
32K-Byte L1P Program RAM/Cache  
32K-Byte L1D Data RAM/Cache  
256K-Byte L2 Unified Mapped RAM/Cache  
Flexible RAM/Cache Partition (L1 and L2)  
1024K-Byte Boot ROM  
•
Software Support  
–
–
TI DSP/BIOS™  
Chip Support Library and DSP Library  
•
•
128K-Byte RAM Shared Memory  
1.8V or 3.3V LVCMOS IOs (except for USB and  
DDR2 interfaces)  
Enhanced Direct-Memory-Access Controller 3  
(EDMA3):  
•
Two External Memory Interfaces:  
–
–
–
–
–
2 Channel Controllers  
3 Transfer Controllers  
64 Independent DMA Channels  
16 Quick DMA Channels  
Programmable Transfer Burst Size  
–
EMIFA  
•
•
•
NOR (8-/16-Bit-Wide Data)  
NAND (8-/16-Bit-Wide Data)  
16-Bit SDRAM With 128 MB Address  
Space  
•
TMS320C674x Floating-Point VLIW DSP Core  
–
DDR2/Mobile DDR Memory Controller  
•
–
Load-Store Architecture With Non-Aligned  
Support  
16-Bit DDR2 SDRAM With 512 MB  
Address Space or  
16-Bit mDDR SDRAM With 256 MB  
Address Space  
–
–
64 General-Purpose Registers (32 Bit)  
Six ALU (32-/40-Bit) Functional Units  
•
•
•
•
Supports 32-Bit Integer, SP (IEEE Single  
Precision/32-Bit) and DP (IEEE Double  
Precision/64-Bit) Floating Point  
Supports up to Four SP Additions Per  
Clock, Four DP Additions Every 2  
Clocks  
•
Three Configurable 16550 type UART Modules:  
–
–
–
With Modem Control Signals  
16-byte FIFO  
16x or 13x Oversampling Option  
•
•
LCD Controller  
Supports up to Two Floating Point (SP  
or DP) Reciprocal Approximation  
Two Serial Peripheral Interfaces (SPI) Each  
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 document.  
TMS320C6000, C6000 are trademarks of Texas Instruments.  
ARM926EJ-S is a trademark of ARM Limited.  
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 © 2009–2009, Texas Instruments Incorporated  
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