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| 型号： | MC56F8011VFAE |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 0-BIT, 8 MHz, OTHER DSP, PQFP32 |
| 封装： | ROHS COMPLIANT, LQFP-32 |
| 文件页数： | 20/125页 |
| 文件大小： | 1702K |
| 代理商： | MC56F8011VFAE |
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56F8013/56F8011 Data Sheet, Rev. 11
116
Freescale Semiconductor
Power consumption is given by the following equation:
A, the internal [static component], is comprised of the DC bias currents for the oscillator, leakage currents,
PLL, and voltage references. These sources operate independently of processor state or operating
frequency.
B, the internal [state-dependent component], reflects the supply current required by certain on-chip
resources only when those resources are in use. These include RAM, Flash memory and the ADCs.
C, the internal [dynamic component], is classic C*V2*F CMOS power dissipation corresponding to the
56800E core and standard cell logic.
D, the external [dynamic component], reflects power dissipated on-chip as a result of capacitive loading
on the external pins of the chip. This is also commonly described as C*V2*F, although simulations on two
of the I/O cell types used on the 56800E reveal that the power-versus-load curve does have a non-zero
Y-intercept.
Power due to capacitive loading on output pins is (first order) a function of the capacitive load and
frequency at which the outputs change. Table 10-20 provides coefficients for calculating power dissipated
in the I/O cells as a function of capacitive load. In these cases:
TotalPower =
Σ((Intercept + Slope*Cload)*frequency/10MHz)
where:
Summation is performed over all output pins with capacitive loads
TotalPower is expressed in mW
Cload is expressed in pF
Because of the low duty cycle on most device pins, power dissipation due to capacitive loads was found
to be fairly low when averaged over a period of time.
Total power =
A: internal [static component]
+B: internal [state-dependent component]
+C: internal [dynamic component]
+D: external [dynamic component]
+E: external [static]
Table 10-20 I/O Loading Coefficients at 10MHz
Intercept
Slope
8mA drive
1.3
0.11mW / pF
4mA drive
1.15mW
0.11mW / pF
Please see http://www.freescale.com for the most current mechanical drawing.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC56F8013 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8013E | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8013MFAE | 功能描述:数字信号处理器和控制器 - DSP, DSC 16Bit DSPHC ANGUILLA 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 |
| MC56F8013MFAER2 | 制造商:Freescale Semiconductor 功能描述:16 BIT DSPHC ANGUILLA - Tape and Reel |
| MC56F8013PB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
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