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参数资料
型号： DEMO908QC16
厂商： Freescale Semiconductor
文件页数： 11/21页
文件大小： 0K
描述： BOARD DEMO FOR MC908QC16
标准包装： 1
系列： HC08
类型： MCU
适用于相关产品： MC908QC16
所含物品： 板，线缆，CD
产品目录页面： 724 (CN2011-ZH PDF)
相关产品： MC908QC16MDTE-ND - IC MCU 8BIT 16K FLASH 16-TSSOP
MC908QC16MDSER-ND - IC MCU 8BIT 16K FLASH 20-TSSOP
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MC908QC16CDTER-ND - IC MCU 8BIT 16K FLASH 16-TSSOP
MC908QC16VDSE-ND - IC MCU 8BIT 16K FLASH 20-TSSOP
MC908QC16VDRE-ND - IC MCU 8BIT 16K FLASH 28-TSSOP
MC908QC16MDSE-ND - IC MCU 8BIT 16K FLASH 20-TSSOP
MC908QC16MDRE-ND - IC MCU 8BIT 16K FLASH 28-TSSOP
MC908QC16CDZE-ND - IC MCU 8BIT 16K FLASH 28-SOIC
MC908QC16CDYE-ND - IC MCU 8BIT 16K FLASH 20-SOIC
更多...

D E M O 9 0 8 Q C 1 6
J U N E
2 0 ,
2 0 0 5
POWER
The DEMO908QC16 is designed to be powered from the USB_MON08 debugger during appli-
cation development. A 2.0mm barrel connector is available to support LIN functionality and for
stand-alone operation. As an added feature, the board may source power through connector
J1 OR supply power to external circuitry connected to J1.
The integrated MON08 debugger simplifies application development by eliminating the need
for and external MON08 cable. During application development, the board draws power from
the USB bus through the integrated USB-MON08 connector. Total current consumption, of the
board and connected circuitry, must be limited to less than 500mA . Excessive current drain
will cause the USB bus to disconnect and may damage the target board or the host PC. USB
bus violations may also cause the host PC to reboot sporadically.
A 2.0mm barrel connector input has been provided to support LIN functionality and allow
stand-alone operation. Voltage input at this connector must be limited to between +7V and
+18V. An LDO voltage regulator at VR1 converts the input voltage to the +5V rail on the target
board. VR1 will shut down if the connected circuit draws excessive current or over-heats.
Stand-alone operation is supported though connector J1 but power input on this connector will
not support LIN functionality. Use caution when powering the target board from connector J1.
No protection is applied on this power input
CAUTION: J1 power input connects directly to the voltage rails on the board. Power input must
be regulated, 5VDC.
POWER SELECT
Power may be applied to the board through the integrated USB-MON08 circuitry, a 2.0mm bar-
rel connector, or through connector J1. Two option headers configure power routing on the
target board, PWR_SEL and VX_EN.
PWR_SEL
The PWR_SEL option header selects power input from either the integrated USB-MON08 de-
bugger or from the on-board voltage regulator. Pin 1 connects to the power output from the
integrated BDM. Pin 3 connects to the on-board voltage regulator output. Pin 2 provides
power to the target board voltage rail. Figure 3 below shows the PWR_SEL header selection
options.
Power from the integrated BDM is drawn from the USB bus and is limited to 500mA . Exces-
sive current drain will violate the USB specification and will cause the USB bus to disengage.
The host PC may also spontaneously reboot.
The on-board voltage regulator (VR1) accepts power input through a 2.0mm barrel connector
(PWR). Input voltage should be limited to between +7V to +18V. A voltage regulator at VR1
provides a +5V fixed output limited to 250mA. Over-temperature and over-current limit built
into the voltage regulator provides protection from excessive stresses. Use caution when at-
11
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DEMO9RS08KA8 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR KA8 PRODUCT 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
DEMO9RS08KB12 功能描述:开发板和工具包 - S08 / S12 KB12 DEMO Board 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
DEMO9RS08KB12 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE
DEMO9RS08LA8 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR LA8 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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