AT91SAM7A1-EK Atmel, AT91SAM7A1-EK Datasheet - Page 11

• Manufacturer Part Number: AT91SAM7A1-EK
• Description: BOARD EVAL FOR AT91SAM7A1
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM7A1-EK

• Contents: Evaluation Board, Parallel Cable and CD-ROM
• Processor To Be Evaluated: AT91SAM7A1
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: AT91SAM7A1
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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3.2
3.3
AT91SAM7A1-EK Evaluation Board User Guide
AT91SAM7A1-EK
Top Level
AT91SAM7A1
Processor
Power Supply
Block
The AT91SAM7A1-EK evaluation board consists of eight main blocks. Each block is
described in the sections that follow.
The block diagram is shown in Figure 2-4.
The processor is based on an ARM7TDMI
The footprint is for a 144-pin TQFP package.
The jumpers E1, E2 and E3 can be removed to allow measurement of the current
required by the microcontroller.
For more details, refer to Figure 4-3.
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 mm connector to the regulator in either polarity
because of the diode rectifying circuit.
The regulators can tolerate supply transients up to 30V although they shut down without
damage if they overheat.
The I/O power is configurable. Jumper J3 allows the selection of either 3.3V or 5V. The
board also provides jumpers that measure the power of the microcontroller.
By unsoldering straps, an ammeter can be connected. Strap E1 is used to measure core
consumption. Strap E3 is used to measure I/O cell consumption; the analog cell con-
sumption is measured by jumper E2.
For more details, refer to Figure 4-3.
Standard modules (e.g., timers and USART)
Specific modules (e.g., CAN)
®
32-bit core and provides
Board Description
Section 3
6114A–ATARM–09/04
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