User`s Manual
Contents
1. Fully independent 176 bytes USB DPRAM for endpoint memory allocation Endpoint 0 for Control Transfers from 8 up to 64 bytes 4 Programmable Endpoints e Nor Out Directions e Bulk Interrupt and Isochronous Transfers e Programmable maximum packet size from 8 to 64 bytes e Programmable single or double buffer Suspend Resume Interrupts Microcontroller reset on USB Bus Reset without detach USB Bus Disconnection on Microcontroller Request USB pad multiplexed with PS 2 peripheral for single cable capability Peripheral Features PS 2 compliant pad One 8 bit Timer Counters with Separate Prescaler and Compare Mode two 8 bit PWM channels One 16 bit Timer Counter with Separate Prescaler Compare and Capture Mode three 8 bit PWM channels USART with SPI master only mode and hardware flow control RTS CTS embeddedglow com LBAT90USB162 Development Board User s Manual embeddedglow com Master Slave SPI Serial Interface Programmable Watchdog Timer with Separate On chip Oscillator On chip Analog Comparator Interrupt and Wake up on Pin Change On Chip Debug Interface debugWIRE opecial Microcontroller Features Power On Reset and Programmable Brown out Detection Internal Calibrated Oscillator External and Internal Interrupt Sources Five Sleep Modes Idle Power save Power down Standby and Extended Standby I O and Packages 22 Programmable I O Lines QFN32 5x52. LBAT9OUSB162 Atmel AT90USB162 Development Board User s manual embeddedglow com LBAT90USB162 Development Board User s Manual 1 INTRODUCTION Thank you for choosing the LBAT90USB162 Atmel AT90USB162 development board This board is designed to give quick and cost effective start to develop code and for hardware prototyping and testing 1 1 OVERVIEW embeddedglow com This document describes the LBAT90USB162 development board a cost effective yet feature rich highly compatible flexible and easily configurable development tool designed to allow easy coding and prototyping One of today s most widely used MCUS offering native USB support is the Atmel amp AT90USB162 It provides an easy way to add USB functionality to any new design along with hundreds of different projects that are available The LBAT90USB162 is an Atmel AT90USB162 development board This board is a cost effective yet highly compatible flexible and easy to use development tool designed to give a quick start in developing code and for hardware prototyping and testing It is clean in design and provides flexibility and convenience The board has all the basic circuitry needed to work with the AT90USB162 USB connector and circuit crystal Reset and HWB buttons power LED The board offers flexible power both 3 3 V and 5 V USB powered or from external supply The board also features 100 mil headers making it breadboard friendly an
3. Cl C2 22pF embeddedglow com VCC C4 100nF C5 1 O0nF 8 LBAT90USB162 Development Board User s Manual UI l xTALI All 24 XTAL2 PCO p PBO PCINTOSS iii 24 4 Reset PCL dW PBI PCINTLSCLK taj VEN PB2 PCINT2 MOSI PDI i i PCA PC2 PCINTI1 PB3 PCINT3 MISO PDO td Sr PC4 PCINT10 PB4 PCINTATI t PCS PCINT9 OC 1B PBS PCINTS id 25e PCG OC 1A PCINTS f PB6 PCINT6 kac gt PCT INTMICPI CLKO PB7 PCINT7 OC 0A OC IC af e 757 lt a UCAP PDO INTO OC 0B j UGND PDI INTI AINO f ka DHSCK PD3 INTVIXDI kin 20 D SDATA PD4 NTS ts PDS PCINTI2 XCK kuis uvec PD6 INTGRIS i i 32 AVCC PD7 INT7 TOHWB CTS kx VEC 33 3 GND GND Pad gt AT90USBIG2 PBO PBI RST d to TITRE Un me whe ol CN 9 10 1 12 13 la EXTA P4 PDO NPbL gt PD3 PD4 PDS 8 10 T 12 3 14 EXTB TIT 2 2 BOARD DESCRIPTION AND CONFIGURATION 2 2 1 Clock By default the clock is internal from 0 9 16 MHz crystal oscillator or internal calibrated RC oscillator External clock via XT1 P3 11 is also possible For using external clock CKSEL fuses must be programmed see AT90USB162 datasheet z XT4 Notes 1 Default is 8 MHz crystal other is possible by request 2 XT2 PCO can be used as generic I O depending on MCU configuration 2 2 2 HWB button S1 embeddedg
4. mm TQFP32 packages Operating Voltages 2 7 5 5V Operating temperature Industrial 40 C to 85 C Maximum Frequency 8 MHz at 2 7 V Industrial range 16 MHz at 4 5 V Industrial range LBAT90USB162 Development Board User s Manual 1 5 2 Block diagram s 9 lG PD7 PD0 PC7 PC0 PB7 PB0 a q o w x x x e m up um r Y v v Y v Y N 7 PORTD DRIVERS PORTC DRIVERS PORTB DRIVERS x gy CALEL ID ELL IUU HEN HINT eod s lt DATA REGISTER DATA DIR DATA REGISTER DATA DIR DATA REGISTER DATA DIR lt PORTD REG PORTD PORTC REG PORTC PORTB REG PORTB a d 8 BIT DA TA BUS JNE d a VCC z oO m POR BOD qp PROGRAM L COUNTER Debug Wire I D PROGRAM ON CHIP DEBUG 4 FLASH PROGRAMMING i LOGIC INSTRUCTION REGISTER INSTRUCTION ON CHIP DECODER 33V REGULATOR UVcc CONTROL tuF LINES a ny D SCK gt D SDATA le 1 5 3 Memory map Program Memory Data Memory 6xo0000 0000 001F 64 I O Registers 0020 005F 160 E xtl O Reg 0060 00FF 1 0100 Internal S RAM 512 x 8 2FF Boot Flash Section Ox3FFF 16KBytes Ox1FFF 8KBytes embeddedglow com LBAT90USB162 Development Board User s Manual 2 USING THE LBAT90USB162 This section describes the board and all its features embeddedglow com LBAT90USB162 Development Board User s Manual 2 1 SCHEMATIC YI 0 9 16MHz an nn
5. please see section 2 2 6 All MCU I O pins are accessible 100 mil extension headers for connection to universal or breadboards or direct interfacing with other devices providing access to all I O pins and virtually all signals Mini USB connector USB 2 0 full speed 12 Mbps Device mode supported Built in 0 9 16 MHz crystal default 8 MHz Internal or external clock Optional transient voltage suppression for USB data lines Hardware boot HWB button allows forcing bootloader stock Atmel or third party execution at reset see AT90USB162 datasheet allows MCU programming via USB without external programmer I O pin is still useable for other purposes Reset RST button Reset RST header allows using MCU s ISP port to reprogram the device if the bootloader gets damaged or destroyed see AT90USB162 datasheet It also makes possible the use of hardware debugger like JTAGICE 1 3 SPECIFICATIONS AT90USB162 Max frequency 8 MHz at 2 7 V 16 MHzat 4 5 V Flash memory 16 kBytes 10 000 write cycles 512 Bytes static USB 2 0 full speed 12 Mbps Device mode 176 Bytes F j Programming Via USB and hardware initiated bootloader or ISP connector I SPI port 2 7 V to 5 5 V Industrial 40 C to 85 C 41x 23x 8 mm 1 6 x 0 9 x 0 3 in FR 4 1 5 mm 1 4 COMPATIBILITY As all MCU I O pins are accessible and all MCU powering and clocking options are available the SBAT90USB162a is compatible with vir
6. AP UVCC XT1XT2 VBUS GND 19 pp PDT PD2 PD3 PD4 PDS PD6 PD7 PBO PB1 PB2 PB3 PBS VCC 12 LBAT90USB162 Development Board User s Manual 3 BOARD LAYOUT AND DIMENSIONS ANS SNA ZLX LLX DOAN d VO 29d Od S2d 99d LId LAd 98d SEd 23mm 0 9 1300mil 41mm 1 6 13 LBAT90USB162 Development Board User s Manual embeddedglow com Disclaimer All information in this document is provided in connection with embeddedglow com products No license express or implied by estoppel or otherwise to any intellectual property right is granted by this document or in connection with the sale of embeddedglow com products EXCEPT AS SET FORTH IN EMBEDDEDGLOW COM TERMS AND CONDITIONS OF SALE WEBSITE OWNER ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO HIS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO EVENT WILL WEBSITE OWNER BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF PROFITS BUSINESS INTERRUPTION OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT Website owner 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 with
7. B162 Development Board User s Manual 2 2 3 Reset button S2 Cold reset can be done manually by RST button S2 2 2 4 Reset RST header The Reset RST header allows the use of ISP programmer in case the bootloader is damaged or destroyed In that case that will be the only option to reprogram the device To use in circuit programming disconnect any circuitry from PB1 SCLK PB2 MOSI PB3 MISO lines and connect the ISP programmer to them and to the RST header In order to use the ISP interface the SPIEN fuse must be programmed The RST header also supports the debugWIRE interface for communication with debugging device To enable the debugWIRE interface on an AVR device the DWEN fuse must be programmed DWEN 0 AVR devices featuring debugWIRE are shipped with the DWEN fuse unprogrammed ISP or High Voltage Programming is required to enable debugWIRE 2 2 5 USB connector Mini B USB P1 is available USB Mini connector pinout 2 D Data 4 ID NCfortype B Note 1 New unprogrammed AT90USB162 device is seen via USB as AT90USB162 DFU To use USB driver installation is required USB 10 embeddedglow com LBAT90USB162 Development Board User s Manual drivers can be downloaded from Atmel s site htip atmel com Third party drivers are also available on the net 2 2 6 Powering the board Both 3 3 V and 5 V VCC power can be used supplied either from USB or as self powered device from
8. d easily connectable to any universal board or prototyping environment Board design makes it compatible with other similar development boards featuring same or similar MCUs and virtually all design development software and libraries MCU comes pre programmed with a bootloader allowing code to be programmed into the chip without any external programmer simply by using the USB interface and the FLIP software from Atmel To enter the bootloader mode the RST button should be pressed and hold then the HWB button pressed and hold and then the RST button released Any development board will probably see many versions of firmware What if the bootloader gets destroyed cutting the way to reprogram the device via USB Using external programmer connected via ISP or parallel is the only solution Although this design doesn t have a dedicated ISP port the ISP port of the MCU still can be used simply disconnect any circuitry from lines PB1 SCLK PB2 MOSI PB3 MISO and use them together with the dedicated Reset RST header to reprogram the device see LBAT90USB162 User s manual and AT90USB162 datasheet This option isn t directly available with many other development boards Hardware debugger like JTAGICE can also be used via the RST header LBAT90USB162 Development Board User s Manual 1 2 FEATURES Flexible power 3 3 V or 5 V from USB bus or external 3 0 V to 5 5 V Important To power the board properly external connections are needed
9. external source Important To power the board external connections are needed Wiring diagrams below must be strictly followed in order to power the board properly Missing that or feeding power simply between VCC and GND will cause board to malfunction Fig 1 Bus powered application 3V I O OOOOOOOO VBUS UVCC UCAP V OOOOOOOOOO0000 Fig 2 Bus powered application 5V I O O OO OOOOOOOOO VBUS UVCC 3 0V to 3 6V GND UVCC 3 4V to 5 5V V OOOOOOOOOOOOO VCC presence no matter what the power source is is indicated by the green VCC ON LED D1 e 2 2 7 Extension headers EXTA EXTB P3 P4 Extension headers provide connection to other devices and circuitry allowing access to all MCU I O pins and other signals EXTA and EXTB fit any 100mil 2 54mm linear connector thus providing connectivity with virtually any 100mil 2 54mm universal or breadboard Direct interfacing is of course also possible Headers length is 1300mil 30 48mm and spacing between them is 600mil 15 24mm see BOARD LAYOUT AND DIMENSIONS 11 embeddedglow com LBAT90USB162 Development Board User s Manual embeddedglow com Extension headers pinout GND VBUS XT2 XT1 UVCCUCAP PC2 PC4 PC5 PC6 PC7 PB7 PB6 PBS 14 13 12 11 109 8 7 6 5 4 3 2 1 EXTA P3 EXTB P7 15 16 17 18 19 20 21 22 23 24 25 26 27 28 PDO PD1 PD2 PD3 PD4 PD5 PD6 PD7 PBO PB1 PB2 PB3 PB4 VCC Le Ro O10 O00 0 O O O 0 Y PB5 PB6 PB7 PC7 PC6 PCS PC4PC2UC
10. low com The hardware boot button allows forcing bootloader execution after reset see AT90USB162 datasheet thus allowing MCU programming via USB without external programmer The HWB mode is active only when the HWBE fuse is enabled In that case PD7 HWB pin is configured as input during reset and sampled during reset rising edge Programming via USB is based on pre programmed USB bootloader located in the on chip memory boot section of the AT90USB162 This is the easiest and fastest way to reprogram the device directly over the USB interface but with certain limitations To force bootloader execution operate as follows e Press both RST and HWB buttons e Release the RST button e Release the HWB button FLIP Flexible In system Programmer is the software provided by Atmel to do in system programming of Flash devices through RS232 USB or CAN For further details regarding programming via USB please refer to FLIP documentation Note In order to use FLIP driver installation is required USB drivers come with FLIP and can be found in its install folder With Windows operating system depending on version used digitally signed drivers might be required As they may not be supplied by Atmel third party signed drivers can be downloaded from the net Maxidax Ltd doesn t supply any drivers Tip After programming is complete press the RST button Other bootloaders are also available LBAT90US
11. out notice Website owner does not make any commitment to update the information contained herein Embeddedglow com products are not intended authorized or suitable for and shall not be used in automotive applications and or as components in applications intended to support or sustain life The content of this document is protected by Copyright It cannot be copied or distributed in any way without the permission of the copyright holder All rights are reserved Atmel logo and combinations thereof and AVR are registered trademarks or trademarks of Atmel Corporation or its subsidiaries Windows is a registered trademark of Microsoft Corporation As this document provides links to web pages and or resources the inclusion of those links is for reader s convenience only and should not be interpreted as an endorsement of the owner sponsor of the site or the content of the site 14 embeddedglow com LBAT90USB162 Development Board User s Manual
12. tually every project and development tool designed for AT90USB162 and particularly for AVR MCUs embeddedglow com LBAT90USB162 Development Board User s Manual 1 5 MCU OVERVIEW The AT90USB162 is a low power CMOS 8 bit microcontroller based on the AVR enhanced RISC architecture By executing powerful instructions in a single clock cycle the AT90USB162 achieves throughputs approaching 1 MIPS per MHz allowing optimization of power consumption versus processing speed 1 5 1 Features High Performance Low Power AVR 8 Bit Microcontroller Advanced RISC Architecture 125 Powerful Instructions Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Upto 16 MIPS Throughput at 16 MHz Non volatile Program and Data Memories 16K Bytes of In System Self Programmable Flash e Endurance 10 000 Write Erase Cycles Optional Boot Code Section with Independent Lock Bits e USB boot loader programmed by default in the factory e In System Programming by on chip Boot Program hardware activated after reset e True Read While Write Operation 512 Bytes EEPROM e Endurance 100 000 Write Erase Cycle 512 Bytes Internal SRAM Programming Lock for Software Security K USB 2 0 Full speed Device Module with Interrupt on Transfer Completion Complies fully with Universal Serial Bus Specification REV 2 0 48 MHz PLL for Full speed Bus Operation data transfer rates at 12 Mbit s
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