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參數(shù)資料
| 型號(hào)： | TMX320VC5509AGHH |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | TMS320VC5509A Fixed-Point Digital Signal Processor |
| 中文描述： | TMS320VC5509A定點(diǎn)數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 37/144頁(yè) |
| 文件大?。?/td> | 1603K |
| 代理商： | TMX320VC5509AGHH |
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Functional Overview
37
November 2002 Revised January 2005
SPRS205D
3.2
Peripherals
The 5509A supports the following peripherals:
A Configurable Parallel External Interface supporting either:
16-bit external memory interface (EMIF) for asynchronous memory and/or SDRAM
16-bit enhanced host-port interface (HPI)
A six-channel direct memory access (DMA) controller
A programmable phase-locked loop clock generator
Two 20-bit timers
Watchdog Timer
Three serial ports supporting a combination of:
up to three multichannel buffered serial ports (McBSPs)
up to two MultiMedia/Secure Digital Card Interfaces
Seven (LQFP) or Eight (BGA) configurable general-purpose I/O pins
USB full-speed slave interface supporting:
Bulk
Interrupt
Isochronous
I
2
C multi-master and slave interface (I
2
C compatible except, no fail-safe I/O buffers)
Real-time clock with crystal input, separate clock domain and supply pins
4-channel (BGA) or 2-channel (LQFP)10-bit Successive Approximation A/D
For detailed information on the C55x
DSP peripherals, see the following documents:
TMS320C55x
DSP Functional Overview
(literature number SPRU312)
TMS320C55x DSP Peripherals Overview Reference Guide
(literature number SPRU317)
3.3
Direct Memory Access (DMA) Controller
The 5509A DMA provides the following features:
Four standard ports, one for each of the following data resources: DARAM, SARAM, Peripherals and
External Memory
Six channels, which allow the DMA controller to track the context of six independent DMA channels
Programmable low/high priority for each DMA channel
One interrupt for each DMA channel
Event synchronization. DMA transfers in each channel can be dependent on the occurrence of selected
events.
Programmable address modification for source and destination addresses
Dedicated Idle Domain allows the DMA controller to be placed in a low-power (idle) state under software
control.
Dedicated DMA channel used by the HPI to access internal memory (DARAM)
The 5509A DMA controller allows transfers to be synchronized to selected events. The 5509A supports
19 separate sync events and each channel can be tied to separate sync events independent of the other
channels. Sync events are selected by programming the SYNC field in the channel-specific DMA Channel
Control Register (DMA_CCR).
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|---|---|
| TMX320VC5509APGE | 制造商:Texas Instruments 功能描述: |
| TMX320VC5509GHH | 制造商:Rochester Electronics LLC 功能描述:AMADEUS CATALOG DEVICE - Bulk 制造商:Texas Instruments 功能描述: |
| TMX320VC5509GHH31 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TMX320VC5509PGE | 制造商:Rochester Electronics LLC 功能描述:AMADEUS - Bulk 制造商:Texas Instruments 功能描述: |
| TMX320VC5509PGE31 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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