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参数资料
| 型号： | TMS320C542PGE-40 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 16-BIT, 100 MHz, OTHER DSP, PQFP144 |
| 封装： | PLASTIC, QFP-144 |
| 文件页数： | 32/111页 |
| 文件大小： | 1467K |
| 代理商： | TMS320C542PGE-40 |
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TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
27
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
extended program memory (’548 and ’549 only) (continued)
D Six new instructions for addressing extended program memory space:
–
FB[D] — Far branch
–
FBACC[D] — Far branch to the location specified by the value in accumulator A or accumulator B
–
FCALA[D] — Far call to the location specified by the value in accumulator A or accumulator B
–
FCALL[D] — Far call
–
FRET[D] — Far return
–
FRETE[D] — Far return with interrupts enabled
D Two ’54x instructions are extended to use the 23 bits in the ’548 and ’549 devices:
–
READA — Read program memory addressed by accumulator A and store in data memory
–
WRITA — Write data to program memory addressed by accumulator A
For more information on these six new instructions and the two extended instructions, refer to the instruction
set summary table in this data sheet and to the
TMS320C54x DSP Reference Set, Volume 2, Mnemonic
Instruction Set, literature number SPRU172. And for more information on extended program memory, refer to
the
TMS320C54x DSP Reference Set, Volume 1, CPU and Peripherals, literature number SPRU131.
data memory
The data memory space on the ’54x device addresses contains up to 64K of 16-bit words. The ’devices
automatically access the on-chip RAM when addressing within its bounds. When an address is generated
outside the RAM bounds, the device automatically generates an external access.
The advantages of operating from on-chip memory are as follows:
D Higher performance because no wait states are required
D Higher performance because of better flow within the pipeline of the CALU
D Lower cost than external memory
D Lower power than external memory
The advantage of operating from off-chip memory is the ability to access a larger address space.
bootloader
A bootloader is available in the standard ’54x on-chip ROM. This bootloader can be used to transfer user code
from an external source to anywhere in the program memory at power up automatically. If MP / MC of the device
is sampled low during a hardware reset, execution begins at location FF80h of the on-chip ROM. This location
contains a branch instruction to the start of the bootloader program. The standard ’54x devices provide different
ways to download the code to accommodate various system requirements:
D Parallel from 8-bit or 16-bit-wide EPROM
D Parallel from I/O space 8-bit or 16-bit mode
D Serial boot from serial ports 8-bit or 16-bit mode
D Host-port interface boot (’542, ’545, ’548, and ’549 devices only)
D Warm boot
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TMS320C54CST | 制造商:TI 制造商全称:Texas Instruments 功能描述:Client Side Telephony DSP |
| TMS320C54CSTGGU | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54CSTPGE | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54CSTZGU | 功能描述:数字信号处理器和控制器 - DSP, DSC DSP for Client-Side Telephony RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| TMS320C54V90 | 制造商:TI 制造商全称:Texas Instruments 功能描述:EMBEDDED V.90 MODEM DSP |
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