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AT91SAM7A2-EK Evaluation Board User Guide

2-3

6115B–ATARM–10-May-05

2.7

AT91SAM7A2-EK
Block Diagram

Figure 2-4. AT91SAM7A2-EK Evaluation Board Block Diagram

DB9

Connector

Power Supply

10-pin

Connector

DB9

Connector

DB9

Connector

DB9

Connector

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

SRAM

Flash

EBI Expansion

Connector

JTAG Connector

Buzzer

AT91SAM7A2

I/O Expansion Connector

Pushbutton

IRQ0

LCD

Power

Quartz

CAN1

CAN

Driver

CAN2

CAN

Driver

CAN3

CAN

Driver

USART1

LIN

Driver

PIO/GPT

LEDs

Pushbuttons

Содержание AT91SAM7A2-EK

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

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

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

Страница 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...

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

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

Страница 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...

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