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参数资料
| 型号： | MC56F8002VWL |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 73/106页 |
| 文件大小： | 0K |
| 描述： | DSC 12K FLASH 32MHZ 28-SOIC |
| 标准包装： | 26 |
| 系列： | 56F8xxx |
| 核心处理器： | 56800E |
| 芯体尺寸： | 16-位 |
| 速度： | 32MHz |
| 连通性： | I²C，LIN，SCI，SPI |
| 外围设备： | LVD，POR，PWM，WDT |
| 输入/输出数： | 23 |
| 程序存储器容量： | 12KB（6K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1K x 16 |
| 电压 - 电源 (Vcc/Vdd)： | 1.8 V ~ 3.6 V |
| 数据转换器： | A/D 15x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 734 (CN2011-ZH PDF) |
| 配用： | APMOTOR56F8000E-ND - KIT DEMO MOTOR CTRL SYSTEM |
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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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC56F8002VWL | 制造商:Freescale Semiconductor 功能描述:IC DSC 16BIT 12KB 32MHZ 3.6V SOIC-28 |
| MC56F8006 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Digital Signal Controller |
| MC56F8006DEMO | 功能描述:开发板和工具包 - 其他处理器 MC56F8006 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| MC56F8006DEMO | 制造商:Freescale Semiconductor 功能描述:MC56F8006DEMO board w/o USB TAP |
| MC56F8006DEMO-T | 功能描述:开发板和工具包 - 其他处理器 MC56F8006 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
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