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Summary of Contents for Atmel AT85DVK-07
- Page 1 AT85DVK-07 Development Board ....................Hardware User’s Guide...
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Page 2: Table Of Contents
AT85DVK-07 Starter Kit Information ............1-2 1.3.1 Very Low Voltage 1.8V System ............1-3 1.3.2 Low Voltage 3V System ..............1-3 Section 2 Using the AT85DVK-07 Board ............. 2-5 Development Board ..................2-5 Power Management Unit................2-7 2.2.1 Battery Power Supply .................2-7 2.2.2 External Power Supply Connection ............2-7 2.2.3... - Page 3 Technical Specifications ..............3-23 Section 4 Development Board Errata List............4-25 Board V1.0.0 ..................4-25 Board V1.0.1 ..................4-25 Section 5 Technical Support................5-27 Problem Reporting ..................5-27 Firmware ....................5-27 Hardware ....................5-27 Tools .......................5-28 Audio Player....................5-28 Picture Viewer ..................5-28 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07...
- Page 4 Section 1 Introduction Congratulations on your purchase of the C51 AT85DVK-07 Starter Kit. It is designed to give designers a quick start to develop code on the AT85C51SND3Bx and for prototyp- ing and testing of new designs. Overview This document describes the development board part of the AT85DVK-07 Starter Kit dedicated to the AT85C51SND3Bx microcontroller.
- Page 5 Introduction Figure 1-1. AT85DVK-07 Board Photo AT85DVK-07 The AT85DVK-07 Starter Kit allows demonstrating of 2 typical applications which differ- entiate by the power supply voltage: Starter Kit Information The Very Low Voltage System The player operates at 1.8V and allows very low power consumption.
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Page 6: Introduction
Figure 1-2. Typical Very Low Voltage 1.8V Application 1.8V System AT85C51SND3Bx 1.8V NF Memories Battery SD/MMC LVDD FM Module 1.3.2 Low Voltage 3V Figure 1-3. Typical Low Voltage 3V Application System AT85C51SND3Bx 3V NF Memories SD/MMC FM Module HVDD 3V DC-DC AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... -
Page 7: Using The At85Dvk-07 Board
Section 2 Using the AT85DVK-07 Board The AT85DVK-07 Board can be used as a stand-alone USB mass storage disk and master or slave multi-format audio player. Development Board Figure 2-1. AT85DVK-07 Board Block Diagram PSI & FS/HS UART & SPI... - Page 8 Using the AT85DVK-07 Board Figure 2-2. AT85DVK-07 Board Ext. Int. Line-In Extension On-Chip Serial Debug Remote Audio Input/Output Display AT89C51SND3Bx Parallel Remote Power AT85DVK-07 Management Keypad Nand MMC/SD Flash AT85DVK-07 Development Board User Guide 4391B–MP3–07/07...
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Page 9: Power Management Unit
(see Section 2.14). Figure 2-3. Power Management Unit Implementation 2.2.1 Battery Power The AT85DVK-07 Board allows direct plug-in of a single AAA battery element or a AA Supply battery as an option. Table 2-1. Battery Power Supply Range Power supply source Min. -
Page 10: Power Configuration
Using the AT85DVK-07 Board 2.2.4 Power Configuration The power configuration is done through a set of solder straps. By default, the AT85DVK-07 Board is delivered configured in “Low Voltage 3V application” meaning all external components (LCD, NF, MMC…) are powered at 3V. Note: “Very Low Voltage 1.8V application”... -
Page 11: External Dc-Dc Replacement
1.8V supply voltage 0V digital supply reference Microcontroller The Microcontroller unit consists in the AT85C51SND3Bx component in LQFP100 pin package including its 12 MHz oscillator and the reset (RST) and in system programming Unit (ISP) push-buttons. AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... -
Page 12: Socket
SPI Interfaces. This connector allows easy connection with a host able to control the audio player remotely. Note: The AT85DVK-07 Board is supplied without any RS-232 driver/receiver. Figure 2-8. Serial Remote Control Unit Implementation Table 2-8. Remote Control Connector (J23) - Page 13 PSI Slave Data Bit 2 P0.2/SD2/LD2 LCD Data Bit 2 0V digital supply reference PSI Slave Data Bit 3 P0.3/SD3/LD3 LCD Data Bit 3 PSI Slave Data Bit 5 P0.5/SD5/LD5 LCD Data Bit 5 AT85DVK-07 Development Board User Guide 2-11 4391B–MP3–07/07...
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Page 14: Usb Unit
J24 (see Table 2-10) which allows control of an external VBUS power supply able to power USB device. Details on how to connect a USB storage device to the AT85DVK-07 Board are pro- vided in Section 2.15. Figure 2-10. USB Unit Implementation 2.5.1... - Page 15 Write Protect Signal Not Used Not Used NFWP Write Protect Signal NFD7 Data Bit 7 NFD6 Data Bit 6 NFD5 Data Bit 5 NFD4 Data Bit 4 NFD3 Data Bit 3 NFD2 Data Bit 2 AT85DVK-07 Development Board User Guide 2-13 4391B–MP3–07/07...
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Page 16: On-Board Nand Flash Configuration
SE17 SE17 On-board Nand Flash not used On-board Nand Flash used MMC/SD Unit The MMC/SD unit consists in a single card socket that allows direct plug-in of MMC, RS- MMC and SD cards. 2-14 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... -
Page 17: Mmc I/O Extension
IOVDD power supply 1.8V or 3V depending on the power configuration 0V digital supply reference Audio Input Unit The Audio Input unit consists in the electret microphone unit and a 3.5mm stereo input jack J3. AT85DVK-07 Development Board User Guide 2-15 4391B–MP3–07/07... -
Page 18: Audio Output Unit
Very Low Voltage VDD power supply 1.8V AMP_EN Active low amplifier enable signal AMP_IR Amplifier left channel analog input AMP_IC Common reference analog input AMP_IL Amplifier right channel analog input AMP_OR Amplifier left channel output 2-16 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... - Page 19 (for further information, refer to the firmware user’s manual). Figure 2-17. Headphone Amplifier Configuration (bottom view) Low Voltage Application Very Low Voltage Application (on-chip amplifier) (on-board amplifier) AT85DVK-07 Development Board User Guide 2-17 4391B–MP3–07/07...
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Page 20: Fm Receiver Unit
To ease software implementation with generic software keypad driver, user’s keypad arrangement must fit with an available matrix configuration (for further information, refer to the firmware user’s manual). Figure 2-18. Keypad Unit Implementation 2-18 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... -
Page 21: Keypad Extension
OCD dongle for debugging. Table 2-22. 6-pin OCD Connector (J26) Number Name Pin Description Number Name Pin Description 0V digital supply reference OCDT OCD Transmit signal MCU Reset signal OCDR OCD Receive signal AT85DVK-07 Development Board User Guide 2-19 4391B–MP3–07/07... -
Page 22: Power Consumption Measurement
SE31 solder strap. 2.15 USB Storage A USB storage device can be connected to the AT85DVK-07 Board using the “Mini A to Receptacle A USB cable” as shown in Figure 2-20. Device In order to power the USB storage device, an external 5V controlled VBUS power sup- Connection ply must be connected to J24 (see Table 2-10) according to Figure 2-21. -
Page 23: Nand Flash Board Extension
Note: In order to fit with generic software driver, the Nand Flash memories soldered on one board must be of same part number. Figure 2-22. Nand Flash Board Implementation Top View Bottom View AT85DVK-07 Development Board User Guide 2-21 4391B–MP3–07/07... - Page 24 1. Optional configuration depending on Nand Flash Manufacturer. These solder straps connect pin 6 (TSOP package) of selected NF to VSS (check Nand Flash datasheet). Table 2-24. Double CE Nand Flash Memory Configuration Populated Footprint Solder Strap Configuration Number of 2-22 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07...
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Page 25: Technical Specifications
– Physical Dimensions L= 120 x W= 120 x H= 25 mm – Weight 100 g Operating Conditions – Voltage Supply 1.5V single battery element or USB V or external power supply (battery replacement) AT85DVK-07 Development Board User Guide 3-23 4391B–MP3–07/07... -
Page 26: Development Board Errata List
The display shows flickering when operating @ 1.8V (LCD charge pump issue). Workaround: None. Board V1.0.1 • LCD - Display Stability @ 1.8V The display shows flickering when operating @ 1.8V (LCD charge pump issue). Workaround: None. AT85DVK-07 Development Board User Guide 4-25 4391B–MP3–07/07... -
Page 27: Technical Support
– Any useful information about changes... Hardware Silicon – Part Number: e.g. 85C51SND3B1-EL – Date Code: e.g. 0441 – Lot Number: e.g. A04319B Memories – NF Part Number: e.g. Micron MT29F2G08AABWG, – Device Number: e.g. #2 AT85DVK-07 Development Board User Guide 5-27 4391B–MP3–07/07... -
Page 28: Tools
Tools – Dongle Firmware Version KEIL – Add “about” windows screen-shot in attachment – Software “music_player_isp.exe” version Audio Player Send any audio files that fail. Picture Viewer Send any picture files that fail. 5-28 AT85DVK-07 Development Board User Guide 4391B–MP3–07/07... - Page 29 Atmel does not make any commitment to update the information contained herein. Unless specifically providedot- herwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as compo- nents in applications intended to support or sustain life.
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