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参数资料
| 型号： | DEMO9S08SH32 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | DEMO BOARD FOR MC9S08SH32 |
| 标准包装： | 1 |
| 系列： | HCS08 |
| 类型： | MCU |
| 适用于相关产品： | MC9S08SH16，MC9S08SH32 |
| 所含物品： | 板 |
D E M O 9 S 0 8 S H 3 2 / S G 3 2
U S E R G U I D E
J U L Y
9 ,
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
regulator, 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
connected 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 MC9S08SH32/SG32 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 MC9S08SH32/SG32 reference manual for
details LVD operation.
TIMING
The DEMO9S08SH32/SG32 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 MC9S08SH32/SG32 Data Sheet for further details.
COMMUNICATIONS
The DEMO9S08SH32/SG32 board applies a single Serial Communications Interface (SCI)
port configurable between either SCI or LIN functionality. RS-232 communications are
supported through a DB9 connector. LIN communications are supported through a pair of 4-
pin Molex connectors. A 2x3 option header selects the desired communications protocol.
11
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| 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 |
| 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 |
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