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Section 5
STK511 Transmitter Board
5.1
5.1.1
Hardware Description
Overview
Supplied with this kit is a single-frequency UHF RF transmitter, operating on 315, 433.92, 868.3, or 915
MHz. It employs the Atmel T575x series of UHF transmitter ICs and the Atmel AVR ? ATtiny13 8-bit
microcontroller IC.
The transmitter is housed in a 2-button key fob with openings in the fob that expose two LED activity-
indicators, a CdS photocell, and a 6-pin header for microcontroller programming (see Figure 5-1 ).
Figure 5-1.
STK511 Transmitter
5.1.2
Physical Features
Button Inputs: The STK511 transmitter features two push-button inputs. As described in the Software
section, the functionality of these buttons is user-programmable. The transmitter software accompanying
this kit demonstrates both single-button and simultaneous two-button presses.
Indicator LEDs: Two LEDs, located above the buttons, confirm button-press action and indicate the soft-
ware-controlled activity of the T575x transmitter IC.
CdS Photocell: To demonstrate the capability of the 10-bit A/D converter (ADC) resident in the ATtiny13,
this photocell presents to the ADC input an analog voltage inversely proportional to the intensity of the
incident light.
Six-pin ISP Header: The transmitter’s ATtiny13 microcontroller can be programmed through the conve-
nient 6-pin ISP header with the cable supplied in the STK500. Figure 5-2 defines the individual pins’
functions. This also allows the user to customize the functionality of the transmitter without having to dis-
assemble the transmitter in order to gain access to the microcontroller (see Figure 5-3 ).
STK511 User Guide
5-1
4842B–AVR–10/09
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相关代理商/技术参数
ATAKSTK511-4 功能描述:射频开发工具 434 MHz AVR based RF Starterkit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
ATAKSTK511-8 功能描述:射频开发工具 868 MHz AVR based RF Starterkit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
ATAKSTK511-9 功能描述:射频开发工具 915 MHz AVR based RF Starterkit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
ATAKSTK512-3 功能描述:射频开发工具 REMOTE ACCESS CNTRL UNDIRECTIONAL KIT RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
ATAKSTK512-4 功能描述:射频开发工具 REMOTE ACCESS CNTRL UNDIRECTIONAL KIT RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
ATALB WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
AT-AM-2A 制造商:Banner Engineering 功能描述:Relay, E-Mech, Control, Cur-Rtg 4A, Ctrl-V 115AC, Vol-Rtg 250AC/DC, DIN Rail Mnt, CE 制造商:Banner Engineering 功能描述:SAFETY RELAY SPST-NO 115VAC 4A 制造商:Banner Engineering 功能描述:SAFETY RELAY, SPST-NO, 115VAC, 4A 制造商:Banner Engineering 功能描述:SAFETY RELAY, SPST-NO, 115VAC, 4A, Coil Voltage VAC Nom:115V, Contact Current Ma 制造商:Banner Engineering 功能描述:SAFETY RELAY, SPST-NO, 115VAC, 4A, Coil Voltage VAC Nom:115V, Contact Current Max:4A, Contact Voltage AC Nom:250V, Contact Voltage DC Nom:250V, Contact Configuration:SPST-NO, No. of Poles:1, Relay Mounting:DIN Rail, Carry Current:4A , RoHS Compliant: Yes
ATAM510 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:MARC4 4-bit MTP Universal Microcontroller