AT25DF161-SH

Manufacturer Part NumberAT25DF161-SH
Description8-bit Atmel Microcontrollers
ManufacturerATMEL [ATMEL Corporation]
AT25DF161-SH datasheet
 
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Atmel AVR1923: XMEGA-A3BU Xplained
Hardware User Guide
Features
®
®
• Atmel
AVR
ATxmega256A3BU microcontroller
• FSTN LCD display with 128x32 pixels resolution
• Battery backup
• Analog sensors
- Ambient light sensor
- Temperature sensor
• Analog filter
• Digital I/O
- Three mechanical buttons
- Two user LEDs, one power LED and one status LED
- Four expansion headers
• Touch
®
- One Atmel AVR QTouch
button
• Memory
- Atmel AVR AT45DB642D DataFlash
• Footprints for external memory
- Atmel AVR AT25DF series industry standard serial flash
1 Introduction
The Atmel AVR XMEGA-A3BU Xplained evaluation kit is a hardware platform to
evaluate the Atmel ATxmega256A3BU microcontroller.
The kit offers a large range of features that enables the Atmel AVR XMEGA
to get started using XMEGA peripherals right away and understand how to
integrate the XMEGA device in their own design.
Figure 1-1. XMEGA-A3BU Xplained evaluation kit.
®
serial flash
8-bit Atmel
Microcontrollers
Application Note
®
user
Rev. 8394B-AVR-02/12

AT25DF161-SH Summary of contents

  • Page 1

    ... One Atmel AVR QTouch button • Memory - Atmel AVR AT45DB642D DataFlash • Footprints for external memory - Atmel AVR AT25DF series industry standard serial flash 1 Introduction The Atmel AVR XMEGA-A3BU Xplained evaluation kit is a hardware platform to evaluate the Atmel ATxmega256A3BU microcontroller. ...

  • Page 2

    Related items Atmel AVR1923 2 The following list contains links to the most relevant documents, software and tools for the Atmel AVR XMEGA-A3BU Xplained: Atmel AVR Xplained products Xplained is a series of small-sized and easy-to-use evaluation kits for ...

  • Page 3

    IAR Embedded Workbench for Atmel AVR IAR™ Embedded Workbench is a commercial C/C++ compiler that is available for 8- bit AVR. There day evaluation version as well (code size limited) kick- start ...

  • Page 4

    General information 3.1 Preprogrammed firmware 3.2 Power supply 3.3 Measuring the Atmel AVR XMEGA power consumption Atmel AVR1923 4 The Atmel AVR XMEGA-A3BU Xplained kit is intended to demonstrate the Atmel AVR ATxmega256A3BU microcontroller. the board. Figure 3-1. Overview ...

  • Page 5

    WARNING 3.4 Programming the kit 8394B-AVR-02/12 by measuring the current that is flowing into this plane. The VCC_MCU_P3V3 plane is connected via a jumper to the main power plane (VCC_P3V3) and by replacing the jumper with an amperemeter it is ...

  • Page 6

    Connectors 4.1 Programming headers Atmel AVR1923 6 The Atmel AVR XMEGA-A3BU Xplained kit has five 10-pins, 100mil headers. One header is used for programming the Atmel AVR ATxmega256A3BU, and the others are used to access spare analog and digital ...

  • Page 7

    I/O expansion headers NOTE 8394B-AVR-02/12 This however will disable the JTAG interface until the connection is reestablished by, for example soldering a bridge on the cut-strap. The Atmel AVR XMEGA-A3BU Xplained headers J1, J2, J3, and J4 offer access ...

  • Page 8

    Atmel AVR1923 8 Table 4-4. Expansion header J3. Pin on J3 Name PA0 2 PA1 3 PA2 4 PA3 5 PB4 6 PB5 7 PB6 8 PB7 9 GND 10 VCC_P5V0 Note: 1. Can be disconnected from ...

  • Page 9

    ... In order Atmel AVR1923 and the connection to the MCU is shown in Serial flash SCK MOSI MISO SS Atmel AVR AT25DF AT25DF641A-SH AT25DF321A-SH AT25DF161-SH AT25DF081-SSH AT25DF021-SSH Table 5-3. The QTouch sensor, a copper fill, is QButton SNS SNSK 9 ...

  • Page 10

    Mechanical buttons 5.5 LEDs 5.6 FSTN LCD display Atmel AVR1923 10 to measure the backup system power consumption a header with a mounted jumper is available. The header is shown in the silkscreen. The jumper can also be used ...

  • Page 11

    V : Display voltage (contrast control). 0 ⎛ ⎞ ⎜ 1 ⎟ : Voltage regulator internal resistance ratio. ⎝ Ra ⎠ Internal fixed voltage supply typically 2.1V. REG α: Electronic volume level ...

  • Page 12

    Analog I/O 5.7.1 Temperature sensor Atmel AVR1923 12 The temperature sensor circuitry consists of a serial connection of a normal and a NTC resistor. The NTC sensor is from Murata and some part details are shown in Table 5-7, ...

  • Page 13

    NTC Temp. resistance Temp. [°C] [kΩ] [°C] -7 528.602 23 -6 499.212 24 -5 471.632 25 -4 445.772 26 -3 421.480 27 -2 398.652 28 -1 377.193 29 Two common approximations can be used to model the temperature vs. ...

  • Page 14

    Ambient light sensor Atmel AVR1923 14 ADC input [V] Temp. [°C] ADC codes 1.055 9 1.018 10 0.982 11 0.947 12 0.913 13 0.880 14 0.848 15 0.817 16 0.787 17 0.758 18 0.730 19 0.702 20 0.676 21 ...

  • Page 15

    Table 5-10. Symbol description for illuminance calculation. Symbols Description Calibrated sensor responsivity at 100lx. This is 50µA according ICA to the sensor datasheet E v Illuminance I Current through the sensor U Output voltage of the sensor circuitry that ...

  • Page 16

    Code examples Atmel AVR1923 16 The example application is based on the Atmel AVR Software Framework that is included in Atmel AVR Studio 5. The AVR Software Framework can also be found as a separate package online at: http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4192. ...

  • Page 17

    Revision history 7.1 Revision 2 8394B-AVR-02/12 To identify the revision of the Atmel AVR XMEGA-A3BU Xplained kit, locate the bar- code sticker on the back side of the board. The first line on the sticker shows the product ID ...

  • Page 18

    Table of contents Atmel AVR1923 18 Features ............................................................................................... 1 1 Introduction ...................................................................................... 1 2 Related items.................................................................................... 2 3 General information......................................................................... 4 3.1 Preprogrammed firmware.................................................................................... 4 3.2 Power supply ....................................................................................................... 4 3.3 Measuring the Atmel AVR XMEGA power consumption..................................... 4 ...

  • Page 19

    Atmel Corporation Atmel Asia Limited 2325 Orchard Parkway Unit 01-5 & 16, 19F San Jose, CA 95131 BEA Tower, Milennium City 5 USA 418 Kwun Tong Road Kwun Tong, Kowloon Tel: (+1)(408) 441-0311 Fax: (+1)(408) 487-2600 HONG KONG Tel: (+852) ...