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参数资料
型号： DEMO56F8014
厂商： Freescale Semiconductor
文件页数： 19/124页
文件大小： 0K
描述： BOARD DEMO MC56F8014 W/US PS
标准包装： 1
类型： MCU
适用于相关产品： 56F8014
所含物品： 板，线缆，CD，电源
配用： APMOTOR56F8000E-ND - KIT DEMO MOTOR CTRL SYSTEM
相关产品： MC56F8014VFAE-ND - IC DIGITAL SIGNAL CTRLR 32-LQFP
Power Consumption
56F8014 Technical Data, Rev. 11
Freescale Semiconductor
115
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.
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
10mA into LEDs, then P = 8*.5*.01 = 40mW.
+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
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VE-BTR-EY-F2 CONVERTER MOD DC/DC 7.5V 50W
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相关代理商/技术参数
参数描述
DEMO56F8014-E 功能描述:开发板和工具包 - 其他处理器 MC56F8014 BD W/UNIV PS 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:
DEMO56F8014-EE 功能描述:开发板和工具包 - 其他处理器 MC56F8014 BD W/UNIV PS 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:
DEMO90121DA 功能描述:KIT DEMO RFID DOOR ACCESS RoHS:是 类别:RF/IF 和 RFID >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:用于 200/300 系列的欧盟开发套件 适用于相关产品:Zensys RF 模块 所含物品:开发板，模块，编程器，软件，线缆，电源 其它名称:703-1019Q3225667
DEMO90121LR 功能描述:KIT DEMO LONG RANGE READER RoHS:是 类别:RF/IF 和 RFID >> RFID 评估和开发套件及电路板 系列:- 产品培训模块:M24LR64 Dual Interface EEPROM 标准包装:1 系列:- 类型:读取器模块 频率:13.56MHz 适用于相关产品:M24LR-64-R 已供物品:2 根基准天线，I2C 和 RFID 读取器，样品 其它名称:497-10480
DEMO908AP64 功能描述:开发板和工具包 - S08 / S12 MC68HC908AP64 DEMO BRD RoHS:否 产品:Development Kits 工具用于评估:MC9S12G128 核心:S12 接口类型:CAN, LIN, RS-232, USB 工作电源电压:5 V 制造商:Freescale Semiconductor
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