Disassemble NXT

1

Daughterboards

Display daughterboard

Connector to the motherboard that you can disconnect

Bluetooth daughterboardSpeaker on the display daughterboard is permanently connected with the motherboard by two wires

Top of the motherboard

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Bottom of the motherboard

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Hardware block diagram

5

• Atmel ARM processor– AT91SAM7S256– 32-bit– 256KB FLASH, 64KB RAM– 48 MHz

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• Atmel AVR processor– ATmega48– 8-bit– 4KB FLASH, 512B RAM– 8 MHz

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• Four input ports– Sound sensor– Image sensor– …….

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• Three output ports– Motors– …….

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• Display– 100 x 64 pixel LCD

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• Bluetooth– CSR BlueCore 4– 1 MB FLASH, 47 KB RAM– 26 MHz

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Side of the Bluetooth daughterboard

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1MB FLASH memory from ST

CSR BlueCore 4