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参数资料
| 型号： | DEMO9S08SH8 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 10/14页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR MC9S08SH FAM |
| 标准包装： | 1 |
| 系列： | HCS08 |
| 类型： | MCU |
| 适用于相关产品： | MC9S08SH4，MC9S08SH8 |
| 所含物品： | 板，线缆，CD |
| 产品目录页面： | 730 (CN2011-ZH PDF) |
| 相关产品： | MC9S08SH8MTJ-ND - IC MCU 8BIT 8K FLASH 20-TSSOP MC9S08SH8MTG-ND - IC MCU 8BIT 8K FLASH 16-TSSOP MC9S08SH8MSC-ND - IC MCU 8BIT 8K FLASH 8-SOIC MC9S08SH8MPJ-ND - IC MCU 8BIT 8K FLASH 20-DIP MC9S08SH8CTJ-ND - IC MCU 8BIT 8K FLASH 20-TSSOP MC9S08SH8CTG-ND - IC MCU 8BIT 8K FLASH 16-TSSOP MC9S08SH8CSC-ND - IC MCU 8BIT 8K FLASH 8-SOIC MC9S08SH8CPJ-ND - IC MCU 8BIT 8K FLASH 20-DIP |
D E M O 9 S 0 8 S H 8
U S E R G U I D E
A P R I L
2 7 ,
2 0 0 7
Figure 2: PWR_SEL Option Header
1
2
3
Selects power input from USB-BDM
PWR_SEL
1
2
3
Selects power input from on-board regulator or J1
PWR_SEL
NOTE: Set PWR_SEL jumper to VB during application development. Use barrel connector in-
put (PWR) to support LIN functionality if needed.
Power from the integrated BDM is drawn from the USB bus and is limited to 500 mA . This cur-
rent limit accounts for the total current supplied over the USB cable to the BDM circuit, the tar-
get board, and any connected circuitry. Current drain in excess of 500 mA will violate the USB
specification and will cause the USB bus to disconnect. This will cause the board to exhibit
power cycling where the board appears to turn-on then off continually. Damage to the host PC
or the target board may also result.
The on-board voltage regulator (VR1) accepts power input through a 2.0mm barrel connector
(PWR). Input voltage may range from +6V to +18V. The voltage regulator (VR1) provides a
+5V fixed output limited to 250mA. Over-temperature and over-current limit built into the volt-
age regulator provides protection from excessive stress. The user should consider the maxi-
mum output current limit of VR1 when attempting to power off-board circuitry through connec-
tor J1.
If powered from the PWR connector, the integrated BDM may still be used to develop and de-
bug application code. Alternately, the board may be powered from the integrated BDM while
the LIN bus is powered from the PWR connector.
VX_EN
The VX_EN option header is a 2-pin jumper that connects or disconnects input J1-1 directly to
the target board, +5V voltage rail. J1-3 is directly connected to the ground plane. Use of this
feature requires a regulated +5V input power source. This power input is decoupled to mini-
mize noise but is not regulated. Care should be exercised when using this feature; no protec-
tion is applied on this input and damage to the target board may result if over-driven. Also, do
not attempt to power the target board through this connector while also applying power through
the USB-Multilink BDM or the PWR connector; damage to the board may result.
Power may also be sourced to off-board circuitry through the J1 connector. The current sup-
plied from the USB bus or the on-board regulator limits current available 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 header connections.
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DEMO9S08SV16 | 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR SV16 FAMILY 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 |
| DEMO9S12HY64 | 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR 9S12HY64 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 |
| DEMO9S12NE64 | 功能描述:开发板和工具包 - S08 / S12 9S12NE64 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 |
| DEMO9S12NE64 | 制造商:Freescale Semiconductor 功能描述:Microcontroller IC Clock Speed |
| DEMO9S12NE64E | 功能描述:开发板和工具包 - S08 / S12 9S12NE64 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 |
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