Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet

744

SAM9X25 [DATASHEET]

11054E–ATARM–10-Mar-2014

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Three TWIs

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Compatible with Atmel Two-wire Interface Serial Memory and I²C Compatible Devices

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One, Two or Three Bytes for Slave Address

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Sequential Read-write Operations

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Master, Multi-master and Slave Mode Operation

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Bit Rate: Up to 400 Kbits

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General Call Supported in Slave mode

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SMBUS Quick Command Supported in Master Mode

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Connection to DMA Controller (DMA) Channel Capabilities optimizes Data Transfers in Master Mode Only

Note:

1. See 

 for details on compatibility with I²C Standard.

TWI

Two-wire Interface

A

Acknowledge

NA

Non Acknowledge

P

Stop

S

Start

Sr

Repeated Start

SADR

Slave Address

ADR

Any address except SADR

R

Read

W

Write