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参数资料
| 型号： | DEMO9S08SG8 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR MC9S08SG FAM |
| 标准包装： | 1 |
| 系列： | HCS08 |
| 类型： | MCU |
| 适用于相关产品： | MC9S08SG4，MC9S08SG8 |
| 所含物品： | 板，线缆，CD |
| 产品目录页面： | 730 (CN2011-ZH PDF) |
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 3: VX_EN Option Header
ON
OFF
1
2
Enabled
Disabled
VX_EN
CAUTION: Do not exceed available current supply from USB-Multilink BDM or on-board regu-
lator, when sourcing power through connector J1 to external circuitry.
RESET SWITCH
The RESET switch applies an asynchronous RESET to the MCU. The RESET switch is con-
nected directly to the RESET* input on the MCU. Pressing the RESET switch applies a low
voltage level to the RESET* input. A pull-up bias resistor allows normal MCU operation.
Shunt capacitance ensures an adequate input pulse width.
LOW VOLTAGE RESET
The MC9S08SH8 utilizes an internal Low Voltage Detect (LVD) circuit. The LVD holds the
MCU in reset until applied voltage reaches an appropriate level. The LVD also protect against
under-voltage conditions. Consult the MC9S08SH8 reference manual for details LVD opera-
tion.
TIMING
The DEMO9S08SH8 is configured to use the target MCU’s internal clock source by default.
Space is provided for an external, 32 kHz XTAL oscillator; however, this timing source is not
populated. The internal timing source is active out of RESET. Default configuration sets the
internal bus to run at 8.4MHz. The internal clock source is trimmable to ± 0.2%. Refer to the
MC9S08SH8 Data Sheet for further details.
COMMUNICATIONS
The DEMO9S08SH8 board applies a single Serial Communications Interface (SCI) port con-
figurable between either SCI or LIN functionality. RS-232 communications are supported
through a DB9 connector. LIN communications are supported through associated pins at con-
nector J1. An option header at COM_EN allows the user to isolate the RS-232 transceiver
from the MCU. This allows the associated MCU pins to be used for alternate functionality.
11
相关PDF资料 |
PDF描述 |
|---|---|
| DEMO9S08SV16 | BOARD DEMO FOR SV16 FAMILY |
| DEMO9S12XHY256 | BOARD DEMO FOR 9S12XHY256 |
| DEMOACKIT | KIT DEMO KIT FOR DC9S08A |
| DEMOEM | BOARD DEMO HARDWARE ONLY |
| DEMOQE128 | DEMO BOARD FOR QE128 FLEXIS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DEMO9S08SG8AUTO | 功能描述:开发板和工具包 - S08 / S12 DEMO BRD FOR 9S08SG8 WIT 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 |
| DEMO9S08SH32 | 功能描述:开发板和工具包 - S08 / S12 SH32 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 |
| DEMO9S08SH8 | 功能描述:开发板和工具包 - S08 / S12 DEMO BRD FOR 9S08SH8 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 |
| 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 |
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