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| 型号： | TMS320F241PGS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 0-BIT, 5 MHz, OTHER DSP, PQFP64 |
| 封装： | PLASTIC, QFP-64 |
| 文件页数： | 84/122页 |
| 文件大小： | 1465K |
| 代理商： | TMS320F241PGS |
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TMS320F243, TMS320F241
DSP CONTROLLERS
SPRS064D DECEMBER 1997 REVISED FEBRUARY 2006
64
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
watchdog (WD) timer module (continued)
Table 18. WD Overflow (Timeout) Selections
WD PRESCALE SELECT BITS
39.0625-kHz WDCLK
WDPS2
WDPS1
WDPS0
WDCLK DIVIDER
FREQUENCY (Hz)
MINIMUM
OVERFLOW (ms)
0
X
1
152.59
6.55
0
1
0
2
76.29
13.11
0
1
4
38.15
26.21
1
0
8
19.07
52.43
1
0
1
16
9.54
104.86
1
0
32
4.77
209.72
1
64
2.38
419.43
Generated by 5-MHz clock
X = Don’t care
scan-based emulation
TMS320x2xx
devices
incorporate
scan-based
emulation
logic
for
code-development
and
hardware-development support. Scan-based emulation allows the emulator to control the processor in the
system without the use of intrusive cables to the full pinout of the device. The scan-based emulator
communicates with the x2xx by way of the IEEE 1149.1-compatible (JTAG) interface. The F243 and F241
DSPs, like the TMS320F206, TMS320C203, and TMS320LC203, do not include boundary scan. The scan
chain of these devices is useful for emulation function only.
TMS320x24x instruction set
The x24x microprocessor implements a comprehensive instruction set that supports both numeric-intensive
signal-processing operations and general-purpose applications, such as multiprocessing and high-speed
control. Source code for the TMS320C1x
t (C1xt) and TMS320C2xt (C2xt) generation DSPs is upwardly
compatible with the x243/x241 devices.
For maximum throughput, the next instruction is prefetched while the current one is being executed. Because
the same data lines are used to communicate to external data, program, or I/O space, the number of cycles an
instruction requires to execute varies, depending upon whether the next data operand fetch is from internal or
external memory. Highest throughput is achieved by maintaining data memory on chip and using either internal
or fast external program memory.
addressing modes
The TMS320x24x instruction set provides four basic memory-addressing modes: direct, indirect, immediate,
and register.
In direct addressing, the instruction word contains the lower seven bits of the data memory address. This field
is concatenated with the nine bits of the data memory page pointer (DP) to form the 16-bit data memory address.
Therefore, in the direct-addressing mode, data memory is paged effectively with a total of 512 pages, each page
containing 128 words.
Indirect addressing accesses data memory through the auxiliary registers. In this addressing mode, the address
of the instruction operand is contained in the currently selected auxiliary register. Eight auxiliary registers
(AR0 AR7) provide flexible and powerful indirect addressing. To select a specific auxiliary register, the auxiliary
register pointer (ARP) is loaded with a value from 0 to 7 for AR0 through AR7, respectively.
TMS320C1x, C1x, TMS320C2x, and C2x are trademarks of Texas Instruments.
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| TMS320F243PGE | 功能描述:数字信号处理器和控制器 - DSP, DSC 16B 5V fixed point DSP w/ Flash 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 |
| TMS320F243PGEA | 功能描述:数字信号处理器和控制器 - DSP, DSC 16B 5V fixed point DSP w/ Flash 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 |
| TMS320F28015PZA | 功能描述:数字信号处理器和控制器 - DSP, DSC 32-Bit DSC w/ 32KB Flash 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 |
| TMS320F28015PZA | 制造商:Texas Instruments 功能描述:IC DSP 32-BIT CMOS QFP 100PIN PLAS |
| TMS320F28015PZQ | 功能描述:数字信号处理器和控制器 - DSP, DSC 32-Bit DSC w/ 32KB Flash 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 |
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