參數資料
型號： MC56F8006VLF
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, MS-026BBC, LQFP-48
文件頁數： 73/106頁
文件大?。?/td> 1215K
代理商： MC56F8006VLF
Specifications
MC56F8006/MC56F8002 Digital Signal Controller, Rev. 4
Freescale Semiconductor
69
Power consumption is given by the following equation:
Eqn. 1
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 39 provides coefficients for calculating power dissipated in the I/O cells as a function of capacitive load.
In these cases:
TotalPower =
((Intercept + Slope*Cload)*frequency/10 MHz)
Eqn. 2
where:
Summation is performed over all output pins with capacitive loads
Total power 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.
E, the external [static component], reflects the effects of placing resistive loads on the outputs of the device. Sum the total of
all V2/R or IV to arrive at the resistive load contribution to power. Assume V = 0.5 for the purposes of these rough calculations.
For instance, if there is a total of eight PWM outputs driving 10 mA into LEDs, then P = 8*0.5*0.01 = 40 mW.
In previous discussions, power consumption due to parasitics associated with pure input pins is ignored, as it is assumed to be
negligible.
Total power =
A:
internal [static component]
+B: internal [state-dependent component]
+C:
internal [dynamic component]
+D:
external [dynamic component]
+E:
external [static component]
Table 39. I/O Loading Coefficients at 10 MHz
Intercept
Slope
8 mA drive
1.3
0.11 mW/pF
4 mA drive
1.15 mW
0.11 mW/pF
相關PDF資料
PDF描述
MC56F8006MWL 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PDSO28
MC56F8006MLF 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP48
MC56F8323MFB60 0-BIT, 120 MHz, OTHER DSP, PQFP64
MC68020CFC25E 32-BIT, 25 MHz, MICROPROCESSOR, PQFP132
MC68020CFC25E 32-BIT, 25 MHz, MICROPROCESSOR, PQFP132
相關代理商/技術參數
參數描述
MC56F8006VLF 制造商:Freescale Semiconductor 功能描述:IC DSC 16BIT 16KB 32MHZ 3.6V LQFP-48
MC56F8006VWL 功能描述:數字信號處理器和控制器 - DSP, DSC 16 BIT DSPHC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
MC56F8006VWL 制造商:Freescale Semiconductor 功能描述:IC DSC 16BIT 16KB 32MHZ 3.6V SOIC-28
MC56F8006VWLR 功能描述:數字信號處理器和控制器 - DSP, DSC 16 BIT DSPHC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
MC56F8011 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
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