参数资料
型号: ATDVK90CAN1
厂商: Atmel
文件页数: 33/61页
文件大小: 0K
描述: KIT DEV FOR AT90CAN128 MCU
产品培训模块: MCU Product Line Introduction
标准包装: 1
主要目的: 接口,CAN
嵌入式: 是,MCU,8 位
已用 IC / 零件: AT90CAN AVR 设备
已供物品: 板,线缆,文档,软件
产品目录页面: 612 (CN2011-ZH PDF)
相关产品: AT90CAN128-16AUR-ND - IC MCU AVR 128K FLASH 64TQFP
AT90CAN128-16MUR-ND - IC MCU AVR 128K FLASH 64QFN
AT90CAN64-15MZTR-ND - MCU AVR 64K FLASH 15MHZ 64-QFN
AT90CAN64-15MT1TR-ND - MCU AVR 64K FLASH 15MHZ 64-QFN
AT90CAN64-15MTTR-ND - MCU AVR 64K FLASH 15MHZ 64-QFN
AT90CAN64-15AZTR-ND - MCU AVR 64K FLASH 15MHZ 64TQFP
AT90CAN64-15AT1TR-ND - MCU AVR 64K FLASH 15MHZ 64TQFP
AT90CAN64-15ATTR-ND - MCU AVR 64K FLASH 15MHZ 64TQFP
AT90CAN32-16AUR-ND - MCU AVR 32K FLASH 16MHZ 64-TQFP
AT90CAN32-15MZTR-ND - MCU AVR 32K FLASH 15MHZ 64-QFN
更多...
Using the DVK90CAN1
Figure 3-36 . Thermistor Schematic
Figure 3-37 . Thermistor Implementation
R31 = Thermistor
3.7.8
Luminosity Sensor
The luminosity sensor uses a CdS photoconductive cell, or luminosity-sensitive resistor.
The luminosity-sensitive resistor have a negative coefficient, meaning the resistance
goes up as luminosity goes down. This luminosity sensor have a linear
resistance/temperature curve from 0 up to 75°C.
The luminosity sensor used in DVK90CAN1 has a resistance close to 60 K Ω at 10 lux
and 5 K Ω at 100 lux for a wavelength of 550 nm.
Table 3-16 . CdS Photoconductive Cell Electrical characteristics at temp=25°C
Parameter ( temp=25°C )
Min
Typ
Max Units
Test Conditions
Light Resistance
20
5
100
K Ω
K Ω
10 lux
100 lux
Peak Spectral Wavelength
Dark Resistance
20
550
nm
K Ω
10 s after removal of light
10 s after removal of light
The voltage over the luminosity sensor can be found using the A/D converter. See the
AT90CAN128 Datasheet for how to use the ADC. The resistor value (R L ) is calculate
3-32
4381B–AVR–07/08
DVK90CAN1 Hardware User Guide
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