ATAVRDB101 Atmel, ATAVRDB101 Datasheet
ATAVRDB101
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ATAVRDB101 Summary of contents
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AVR481: DB101 Hardware User's Guide Features • LCD module with RGB backlight • UART, SPI and TWI with level converters • RS232 interface • Joystick for user input and menu navigation • Piezo speaker • Powered by Battery or external ...
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Features overview AVR481 2 The schematics, and layout files (gerber format) are available in separate files distributed with this application note. The bill of material is found last in this document. Figure 2-1. Assembly drawing of DB101 front – ...
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AVR microcontroller 2.2 LCD display 2.3 Joystick 2.4 Piezo speaker 2.5 Power supply - battery 8073B-AVR-09/07 The LCD is controlled by an ATmega1281, which has 64 pins, 128kB of Flash memory and 8kB of SRAM. The AVR is running ...
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Communication interfaces AVR481 4 Figure 2-3. Jumper J306, controlling supply voltage of the DB101 possible to sense whether the mega1281 runs from external supply or from battery as these voltages sources are connected to internal ADC of ...
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... The level converted TWI lines are available on J203, which can be found on the middle left-hand side on Figure 2-4. An Atmel AT45DB161D dataflash is available on the DB101. This can be used to store display fonts, graphics, sound and other data, which will be persistent regardless of reprogramming the mega1281 internal flash memory. ...
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Programming and debugging interface 2.9 Real time clock 2.10 GPIO pins AVR481 6 The dataflash is connected to the mega1281’s USART0, which can operate in SPI master mode. The USART0 SPI master communication uses port E, pins 0 to ...
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... Not mounted Mounted Mounted Notes: 1. Default display mounted on DB101 The schematics for DB101 are found as a separate PDF file distributed with this application note, which can be downloaded from http://www.atmel.com. Manufacturer Description Ceramic capacitor, SMD 0603, NP0, 50V, ±0,5 pF ® Kemet Ceramic capacitor, SMD 0603, NP0, 50V, ± ...
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Quantity MPN/ brief Manufacturer 4 100R 1 150R 6 1k KOA 5 4.7k 22 10k KOA 6 39k 6 47k 3 130k 1 220k 1 270k 3 390k BLM21AG121SN1D Murata 1 ELL6RH3R3M Panasonic 1 BAT74 Philips 2 ...
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... Quantity MPN/ brief Manufacturer 1 AT45DB161D-SU ATMEL Texas 1 TPS63000DRCRG4 Instruments 1 ATmega1281V-8MU ATMEL 1 LF XTAL016207 Rakon Ltd 1 CSTCC7M37G53 Murata Projects 1 Piezo transducer SMD Unlimited 1 YMJ-02-O-BK Cen Link Co. 1 SKRHABE010 ALPS 1 3008TR Keystone Corp. 1 1x3 Right angle Harwin 1 PIN HEADER 1x4 PIP Freber 2 PIN HEADER 1x6 PIP ...
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... BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’ ...