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1-2 AT91EB42 Evaluation Board User Guide
2 x 32-pin EBI expansion connectors
2 x 32-pin I/O expansion connectors
20-pin JTAG interface connector
If required, user-defined peripherals can also be added to the board. See Section 5 for
details.
Figure 1-1. AT91EB42 Evaluation Board Block Diagram
JTAG
ICE
Connector
ARM7TDMI
Processor
8K Byte
RAM
EBI
EBI
Expansion
Connector
AMBA
Bridge
Push-buttons
Interrupt
Controller
Watchdog
PIO
Timer
Counters
AT91M42800
ASB
APB
Reset
Controller
Reset
Controller
Serial
EEPROM
LEDs
SRAM
Flash
SPI
Serial
Ports
I/O
Expansion
Connector
Serial
Data
Flash
RS232
Transceivers
DB9 Serial
Connectors
Reset
32.768 KHz
Crystal
Clock
Generator
PIO
Serial
EEPROM
System
Timer
2.1mm DC
Power
Socket
Fast-charge
Controller
Battery
Connector
Power Supply