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| 型号： | M52210DEMO |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 12/18页 |
| 文件大小： | 0K |
| 描述： | BOARD DEV MCF5221X LOW COST |
| 标准包装： | 1 |
| 系列： | ColdFire® |
| 类型： | MCU |
| 适用于相关产品： | MCF5221x |
| 所含物品： | 模块和其他硬件 |
| 相关产品： | MCF52213CAE50-ND - IC MCU 32BIT 128K FLASH 64-LQFP MCF52213AE50-ND - IC MCU 32BIT 128K FLASH 64-LQFP MCF52212CAE50-ND - IC MCU 32BIT 64K FLASH 64-LQFP MCF52212AE50-ND - IC MCU 32BIT 64K FLASH 64-LQFP MCF52211CAE80-ND - IC MCU 32BIT 80MHZ 64-LQFP MCF52210CAE80-ND - IC MCU 32BIT 80MHZ 64-LQFP MCF52211CEP66-ND - IC MCU 128K FLASH 66MHZ 64QFN MCF52211CAF80-ND - IC MCU 128K FLASH 80MHZ 100LQFP MCF52211CAE66-ND - IC MCU 128K FLASH 66MHZ 64LQFP MCF52210CEP66-ND - IC MCU 64K FLASH 66MHZ 64QFN 更多... |
M 5 2 2 1 0 D E M O
U S E R
G U I D E
A U G U S T
2 1 ,
2 0 0 7
Figure 6: +5V_SEL Option
VUSB
VBDM
VIN
?
?
?
?
?
?
Selects power input from miniAB USB connector
Selects power input from integrated USB BDM *
Selects power input from PWR connector
* indicates default shipping configuration
VX_EN
A 2-pin option header, VX_EN, connects input J1-1 directly to the +3.3V rail. J1-3 is connected
directly to the ground plane. This input requires a regulated +3.3V voltage source. This power
input is decoupled to minimize noise input but is not regulated. Also, no protection is applied
on this input and damage to the target board may result if over-driven. Do not attempt to
power the target board through this connector while also applying power through the USB
BDM or the PWR connector as damage to the board may result.
NOTE
Do not exceed available current from the USB BDM or the on-board regulator when sourcing
power through connector J1 to external circuitry.
Power may be sourced to off-board circuitry through the J1 connector. The current limitation of
the USB bus or the on-board regulator must be considered when attempting to source power
to external circuitry. Excessive current drain may damage the target board, the host PC USB
hub, or the on-board regulator. The figure below details the VX_EN option header connec-
tions.
Figure 7. VX_EN Option Header
VX_EN
ON
Enable power connection to connector J1
?
?
OFF
Disable power connection to connector J1
VX_EN
CAUTION
Do not apply power to connector J1 while also sourcing power from either the PWR connector
of the USB BDM circuit. Damage to the board may result.
USB OTG Power
The M52210DEMO may be powered from voltage input through the miniAB USB connector.
The DEMO board is also designed to provide power through the miniAB connector. This al-
lows the board to act as either Host or Peripheral.
Power output to the USB MAB connector is provided by a high-side switch located at U2. This
device provides the +5V output necessary for proper operation of the bus when the board is in
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M52210DEMO | 制造商:Freescale Semiconductor 功能描述:MCF5221X and MCF521XX ColdFire |
| M52211EVB | 功能描述:开发板和工具包 - COLDFIRE KIRIN 0 FULL FEATURED EV RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V |
| M52221DEMO | 功能描述:开发板和工具包 - COLDFIRE MCF52221 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V |
| M52221DEMO | 制造商:Freescale Semiconductor 功能描述:MCF52221 Demonstration Board |
| M52223EVB | 功能描述:开发板和工具包 - COLDFIRE MCF52223 EVALUATION BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V |
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