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参数资料
| 型号： | DEMO908QC16 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 13/21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 MC908QC16CDZER-ND - IC MCU 8BIT 16K FLASH 28-SOIC 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... |
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LOW VOLTAGE INHIBIT
The MC68HC908QC16 utilizes an internal Low Voltage Inhibit (LVI) protect against under-
voltage conditions. The LVI is enabled for low-voltage operation out of RESET. To use this
feature, the user should configure the LVI for high-voltage operation. Consult the MCU Device
User Guide for details on configuring LVI operation.
TIMING
The DEMO908QC16 has 2 timing sources available to the user. The internal oscillator oper-
ates at one of four, user selectable internal timing frequencies: 25.6MHz, 12.8 MHz, 8.0 MHz,
or 4.0 MHz. Out of reset, the internal oscillator is set to 4MHz with a frequency tolerance of
less than 25%. An 8-bit register allows trimming the internal oscillator to a tolerance of 0.4%.
Refer to the MC68HC908QC16 Device User Guide for details on internal oscillator operation.
An 8.0MHz crystal oscillator is also available as alternate timing source. The crystal in config-
ured for Pierce mode operation. An option jumper enables/disables the use of the external os-
cillator to the MCU. The external oscillator is connected to MCU inputs PTA5/OSC1 and
PTA4/OSC2 on the MCU. The user must configure the MCU for operation with the external
clock source. Refer to the MC68HC908QC16 Device User Guide for details.
Figure 5: OSC_EN Option Header
ON
Enables Clock Oscillator Input to MCU
1
2
OFF
Disables Clock Oscillator Input to MCU
COMMUNICATIONS
The DEMO908QC16 board provides a single Enhanced Serial Communications Interface
(ESCI) port. The ESCI port may be configured for RS-232 serial communications or for LIN
serial communications. RS-232 communications are supported through a DB9 connector. LIN
communications are supported through two, 4-pin Molex connectors.
The COM_SEL option header selects the communications protocol applied by the user.
LIN Communications
The DEMO908QC16 applies the MC33661D Local Interconnect Interface (LIN) physical layer
(PHY) for use in developing automotive control applications. The MC33661D PHY support LIN
bus functionality for input voltages between +7V and +18V. Only power applied to the PWR
connector will enable the LIN bus. The COM_SEL option header selects the LIN interface (see
COM_SEL above). Two, 4-pin, Molex connectors provide off-board connectivity. Figure 6
shows the pin-out for the LIN connectors and mating connector part numbers.
13
相关PDF资料 |
PDF描述 |
|---|---|
| DEMO9RS08KA8 | BOARD DEMO FOR MC9RS08KA8 |
| DEMO9RS08KB12 | DEMO BOARD FOR 9RS08KA12 |
| DEMO9RS08LA8 | BOARD DEMO FOR MC9RSOLA8 MCU |
| DEMO9S08AC60E | BOARD DEMO FOR MC9S08A |
| DEMO9S08AW60E | DEMO BOARD FOR MC9S08AW60 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DEMO9RS08KA2 | 功能描述:开发板和工具包 - S08 / S12 DEMO9RS08KA2 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 |
| 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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