Related Manuals for Atmel AT91SAM7A2-EK
Summary of Contents for Atmel AT91SAM7A2-EK
- Page 1 AT91SAM7A2-EK Evaluation Board ....................User Guide...
- Page 2 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
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Page 3: Table Of Contents
Section 1 Overview ....................1-1 Scope ......................1-1 Deliverables ....................1-1 AT91SAM7A2 Evaluation Board ...............1-1 Section 2 Setting Up the AT91SAM7A2-EK Evaluation Board ......2-1 Requirements....................2-1 Electrostatic Warning ................2-1 Layout .......................2-1 Voltage ......................2-2 Powering Up the Board ................2-2 Measuring Current Consumption on the AT91SAM7A2 ......2-2 AT91SAM7A2-EK Block Diagram .............2-3... - Page 4 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
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Page 5: Overview
The AT91SAM7A2-EK Evaluation Board enables real-time code development and evalu- ation. It supports the AT91SAM7A2 microcontroller. Deliverables The evaluation board is supplied with: ! an AT91SAM7A2-EK evaluation board featuring an AT91SAM7A2 with an LCD connected ! a bare power lead, a fuse, 2 jumpers ! a 25-pin parallel cable ! the AT91 CD-ROM including: –... - Page 6 – Adjustable voltage regulators ! Clocks – 6 MHz and 32.768 KHz crystals ! Expansion connectors – Most chip I/Os accessible via a 100-pin connector – EBI expansion connector allowing plug-in of memory board or Ethernet board AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
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Page 7: Setting Up The At91Sam7A2-Ek Evaluation Board
Setting Up the AT91SAM7A2-EK Evaluation Board Requirements In order to set up the AT91SAM7A2-EK Evaluation Board, the following elements are required: ! the AT91SAM7A2-EK Evaluation Board itself ! a DC power supply capable of supplying 7V to 12V @ 400 mA (not supplied) Electrostatic The AT91SAM7A2-EK Evaluation Board is shipped in protective anti-static packaging. -
Page 8: Voltage
Consumption on parts of the AT91SAM7A2 device. the AT91SAM7A2 Table 2-1. Current Consumption Measurement Procedure Block to Measure Strap to Unsolder Action Core Connect an ammeter in place Analog Cells of the strap I/O Cells AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 9: At91Sam7A2-Ek Block Diagram
AT91SAM7A2-EK Block Diagram Figure 2-4. AT91SAM7A2-EK Evaluation Board Block Diagram AT91SAM7A2-EK AT91SAM7A2 EBI Expansion JTAG Connector Connector Embedded ARM7TDMI Processor SRAM Flash Reset Controller Pushbutton Serial EEPROM PIO/SPI IRQ0 LEDs UPIO PIO/GPT Pushbuttons Buzzer 10-pin CAN0 Connector Driver CAN1 Connector... - Page 10 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
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Page 11: Board Description
Section 3 Board Description AT91SAM7A2-EK The AT91SAM7A2-EK evaluation board consists of 10 main blocks. Each block is described in the sections that follow. Top Level The block diagram is shown in Figure 2-4. AT91SAM7A2 ® The processor is based on an ARM7TDMI... -
Page 12: Application Interface
The CAN1 and CAN2 modules are connected to two female SubD9 connectors (J5 and J6) via the CAN drivers MN3 and MN4. CAN3 is connected to one male SubD9 connec- tor (J7) via the CAN driver MN5. The pinout is described in Table 3-2. AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 13: Lin Buses And Rs-232 Lines
The recommended CAN bus load is 60 Ohm. Depending on the external input bus resistor, users can disconnect resistors to achieve the correct bus load. LIN Buses and Via USART modules, the AT91SAM7A2-EK board provides the following: RS-232 Lines ! Two LIN buses ! One RS-232 line Table 3-4. - Page 14 CR6 footprint. The pinout for the DB9 connector J6 is described in Table 3-6. Table 3-6. DB Pinout DB Pin Function Ground Battery (8V - 18V) Others Not connected Figure 3-2. Male DB9 Connector AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
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Page 15: Crystal Oscillators And Clock Distribution
! Close J13: 2 - 3. On-board SRAM chip select is driven by NCS1. ! Close J15: 3 - 4. On-board Flash address line 20 is driven. Users can access the whole memory space. Others are left open. AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 16: Ice Interface
This mini JTAG interface does not work with ARM Developer Suite Note: To use a standard external ICE interface in target powered mode, it is neces- sary to close the strap E25 that enables VCC power supply on the JTAG port. AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 17: Schematics
Figure 4-3 Application Interface Figure 4-4 Serial Com Interface 1/2 Figure 4-5 Serial Com Interface 2/2 Figure 4-6 ICE Interface - Quartz PLL Figure 4-7 Figure 4-8 EBI Expansion Connector Figure 4-9 Expansion Connector AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 18: Figure 4-1 At91Sam7A2
Figure 4-1. AT91SAM7A2 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 19: Figure 4-2 Power
Figure 4-2. Power AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 20: Figure 4-3 Application Interface
Figure 4-3. Application Interface AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 21: Figure 4-4. Serial Com Interface 1/2
Figure 4-4. Serial Com Interface 1/2 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 22: Figure 4-5. Serial Com Interface 2/2
Figure 4-5. Serial Com Interface 2/2 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... -
Page 23: Figure 4-6 Ice Interface - Quartz Pll
Figure 4-6. ICE Interface - Quartz PLL AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05... - Page 24 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 production. AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
- Page 25 Figure 4-8. EBI Expansion AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
- Page 26 Figure 4-9. Expansion Connector 4-10 AT91SAM7A2-EK Evaluation Board User Guide 6115B–ATARM–10-May-05...
- Page 27 Disclaimer: The information in this document is provided in connection with Atmel 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 Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDI- TIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY...
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