Atmel AT91SAM7A2-EK User Manual Download Page 1

Page: 1 / 27

..............................................................................................

User Guide

Summary of Contents for AT91SAM7A2-EK

Page 1: ...AT91SAM7A2 EK Evaluation Board User Guide...

Page 2: ...AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05...

Page 3: ...Board 2 2 2 6 Measuring Current Consumption on the AT91SAM7A2 2 2 2 7 AT91SAM7A2 EK Block Diagram 2 3 Section 3 Board Description 3 1 3 1 AT91SAM7A2 EK Top Level 3 1 3 2 AT91SAM7A2 Processor 3 1 3 3...

Page 4: ...ii AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05...

Page 5: ...full datasheets datasheets with electrical and mechanical characteristics Application notes and Getting Started documents for all development boards and AT91 microcontrollers An AT91 Software package...

Page 6: ...programmable push buttons ICE interface A standard 20 pin ICE interface connector An embedded ICE interface linked to SubD25 connector Power supply features DC power line filtering Diode bridge Adjus...

Page 7: ...luation Board itself a DC power supply capable of supplying 7V to 12V 400 mA not supplied 2 2 Electrostatic Warning The AT91SAM7A2 EK Evaluation Board is shipped in protective anti static packaging Th...

Page 8: ...voltage to be from 7V to 12V 2 5 Powering Up the Board Figure 2 3 Powering Up the Board 2 6 Measuring Current Consumption on the AT91SAM7A2 The board is designed to generate the entire power supply o...

Page 9: ...tor 3 pin Connector 3 pin Connector Reset Controller AT91SAM7A2 EK USART0 CAN0 PIO SPI AIC UPIO PWM ADC Osc CAP Embedded ICE EBI ARM7TDMI Processor RS 232 Driver LIN Driver CAN Driver Serial EEPROM SR...

Page 10: ...2 4 AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05...

Page 11: ...rent required by the microcontroller 3 3 Power Supply Block The voltage regulator provides 3 3V 5V and analog 3 3V to the board and lights the red LED when operating Power can be applied via the 2 1 m...

Page 12: ...and microcontroller Red LED DS2 Connected to timer or I O pin TIOA0 GPT module Orange LED DS3 Connected to timer or I O pin TIOA1 GPT module Green LED DS4 Connected to timer or I O pin TIOB0 GPT modul...

Page 13: ...ct bus load 3 7 LIN Buses and RS 232 Lines Via USART modules the AT91SAM7A2 EK board provides the following Two LIN buses One RS 232 line Table 3 2 Pinout SubD9 Pin Function 4 CAN L 3 GND 8 CAN H othe...

Page 14: ...is described in Table 3 6 Figure 3 2 Male DB9 Connector Table 3 5 Serial Interface Peripheral Use Connector Closed Straps Open Straps USART0 in RS 232 DB9 E5 1 2 E5 2 3 E9 2 3 E6 E16 2 3 E9 1 2 E20 E...

Page 15: ...umper J10 DIS can be used to disconnect application board features such as the buzzer or RS 232 drivers The connectors are not fitted at the factory however the user can fit any 25 x 2 connector on a...

Page 16: ...he board without the use of system resources such as memory and serial ports A mini JTAG interface is embedded on the board It is accessed by a parallel port connector J12 It can be used with GNU Tool...

Page 17: ...AT91SAM7A2 Schematics Figure Reference Denomination Figure 4 1 AT91SAM7A2 Figure 4 2 Power Figure 4 3 Application Interface Figure 4 4 Serial Com Interface 1 2 Figure 4 5 Serial Com Interface 2 2 Fig...

Page 18: ...4 2 AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05 Figure 4 1 AT91SAM7A2 AT91SAM7A2 AT91SAM7A2...

Page 19: ...AT91SAM7A2 EK Evaluation Board User Guide 4 3 6115B ATARM 10 May 05 Figure 4 2 Power...

Page 20: ...4 4 AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05 Figure 4 3 Application Interface...

Page 21: ...AT91SAM7A2 EK Evaluation Board User Guide 4 5 6115B ATARM 10 May 05 Figure 4 4 Serial Com Interface 1 2...

Page 22: ...4 6 AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05 Figure 4 5 Serial Com Interface 2 2...

Page 23: ...AT91SAM7A2 EK Evaluation Board User Guide 4 7 6115B ATARM 10 May 05 Figure 4 6 ICE Interface Quartz PLL...

Page 24: ...ation Board User Guide 6115B ATARM 10 May 05 Figure 4 7 Memories Note 1 The board may be fitted with an AT49BV162A in place of an AT49BV1614A In this case the pins 12 13 14 are soldered together in pr...

Page 25: ...AT91SAM7A2 EK Evaluation Board User Guide 4 9 6115B ATARM 10 May 05 Figure 4 8 EBI Expansion...

Page 26: ...4 10 AT91SAM7A2 EK Evaluation Board User Guide 6115B ATARM 10 May 05 Figure 4 9 Expansion Connector...

Page 27: ...mel Sarl Route des Arsenaux 41 Case Postale 80 CH 1705 Fribourg Switzerland Tel 41 26 426 5555 Fax 41 26 426 5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong...