Atmel AT90USB162 User Manual Download

Page: 15 / 18

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DBAT90USB162 Enhanced

Development Board User’s Manual

2.2.11. MCU headers (P17..P20)

Provide support for optional header boards for MCU allowing the use of several
(differently programmed) MCUs.

2.2.12. R13..R16 isolation resistors

Provide isolation for SCK, MISO, MOSI, and HWB pins, if they have to be used for
other purposes (not recommended). Isolation resistors can be shorted by jumpers
J13..J16.

PB1 (SCLK)

J13

ISP

open

Generic I/O

short

PB2 (MOSI)

J14

ISP

open

Generic I/O

short

PB3 (MISO)

J15

ISP

open

Generic I/O

short

PD7 (HWB)

J16

HWB

open

Generic I/O

short

Summary of Contents for AT90USB162

Page 1: ...1 embeddedglow com DBAT90USB162 Enhanced Development Board User s Manual DBAT90USB162 Atmel AT90USB162 Enhanced Development Board User s manual ...

Page 2: ...buttons status LED user button and LED power source voltage configuration circuitry configurable voltage regulator isolation resistors to combine ISP lines with other functions The board either accepts a MCU directly or uses additional header boards for MCU installation giving the developer the freedom of using one development board with several MCUs eventually programmed with different code The b...

Page 3: ... and Mini USB connectors Built in 0 9 16 MHz crystal default 8 MHz Internal or external clock Optional transient voltage suppression for USB data lines Reset RST button Hardware boot HWB button allows forcing bootloader stock Atmel or third party execution at reset see AT90USB82 AT90USB162 datasheet allows MCU programming via USB without external programmer I O pin is still useable for other purpo...

Page 4: ...ort 1 Programming Via USB and hardware initiated bootloader or ISP connector Debugging Via debugWIRE interface ISP connector Operating voltage 2 7 V to 5 5 V Operating temperature Industrial 40 C to 85 C Dimensions 61 x 76 x 19 mm 2 4 x 3 0 in 95 x 76 mm 3 7 x 3 0 x 0 75 in with UB100288 universal board Weight 31 4 g bare 39 25 g with UB100288 1 4 COMPATIBILITY As all MCU I O pins are accessible a...

Page 5: ...True Read While Write Operation 512 Bytes EEPROM Endurance 100 000 Write Erase Cycle 512 Bytes Internal SRAM Programming Lock for Software Security 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 Fully independent 176 bytes USB DPRAM for end...

Page 6: ...IRE Special 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 5x5 mm TQFP32 packages Operating Voltages 2 7 5 5 V Operating temperature Industrial 40 C to 85 C Maximum Frequency 8 ...

Page 7: ...7 embeddedglow com DBAT90USB162 Enhanced Development Board User s Manual 1 5 2 Block diagram ...

Page 8: ...while pressing BUT1 changes the blinking rate This program doesn t provide USB compatibility AVR GCC source file is available for download at http embeddedglow com products DBAT90USB162 DBAT90USB162_Demo c HEX file is available for download at http embeddedglow com products DBAT90USB162 DBAT90USB162_Demo hex 2 USING THE DBAT90USB162 This section describes the board and all its features ...

Page 9: ...9 embeddedglow com DBAT90USB162 Enhanced Development Board User s Manual 2 1 SCHEMATIC ...

Page 10: ...est 2 XTAL2 PC0 can be used as generic I O depending on MCU configuration 2 2 2 Reset button S2 Cold reset is done either manually by RST button S2 or externally via RSTDW P11 P21 27 Optionally a parallel capacitor C5 can be installed to the RST button S2 The PCB accepts thru hole and 0805 SMD 2 2 3 HWB button S1 The hardware boot button allows forcing bootloader execution after reset see AT90USB1...

Page 11: ... 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 If Windows operating system is used depending on its version digitally signed drivers might be required As they may not be supplied by Atmel third party signed drivers can be download...

Page 12: ...nsient voltage suppression Data lines protection is available by using optional transils D2 and D3 2 2 6 Power supply Both 3 3 V and 5 V VCC power can be used supplied from USB built in regulator or other source via VREG P12 I O voltage VCC source J5 J6 J7 J8 J9 J10 3 V I O USB powered open short open open short 5 V I O USB powered open open short open short 3 0 to 3 6 V I O self powered 1 short s...

Page 13: ...V short 5 V open Power jack PWR1 P7 pinout Shottky diode D1 serves as a reverse polarity protection 2 2 8 User button BUT1 BUT1 can be used as a general use button or for debugging purposes It can be detached from PC2 by leaving J11 open To use PC2 I O pin for other purposes leave J11 open BUT1 signal is available via header P13 Optionally capacitor C13 can be used The PCB accepts thru hole and 08...

Page 14: ...SO VCC VTG SCK MOSI RST GND JTAG connector pinout 1 2 SCK TCK GND MISO TDO VTref VCC nSRST RST MOSI TDI The JTAG connector is intended for use with devices like JTAGICE mkII and AVR ONE but only offers in circuit programming and debugging via debugWIRE as the full JTAG interface is not supported by AT90USB162 The JTAG 10 pin connector pinout is different from ISP 10 pin connector pinout which is n...

Page 15: ...ifferently programmed MCUs 2 2 12 R13 R16 isolation resistors Provide isolation for SCK MISO MOSI and HWB pins if they have to be used for other purposes not recommended Isolation resistors can be shorted by jumpers J13 J16 PB1 SCLK J13 ISP open Generic I O short PB2 MOSI J14 ISP open Generic I O short PB3 MISO J15 ISP open Generic I O short PD7 HWB J16 HWB open Generic I O short ...

Page 16: ...l 2 54mm universal or breadboard Example 1 Use male female headers and connect universal board like UB100288 or any third party universal or breadboard Example 2 Use a 100 mil 2 54 mm terminal header to connect wires directly Example 3 Use a 100 mil SIP socket to connect single parts like sensors directly EXT header pinout 1 VCC 2 LED1 3 BUT1 4 PB0 5 PB1 6 PB2 7 PB3 8 PB4 9 PB5 10 PB6 11 PB7 12 PD...

Page 17: ...17 embeddedglow com DBAT90USB162 Enhanced Development Board User s Manual 3 BOARD LAYOUT AND DIMENSIONS DBAT90USB162 Optional UB100288 ...

Page 18: ... 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 without notice Website owner does not make any commitment to update the information contained herein Embeddedglow com products are not intended authorize...

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