Rainbow-electronics NUC120 Bedienungsanleitung PDF herunterladen (Seite 38)

NUC120 Series DATA SHEET

Publication Release Date: May 31, 2010

- 38 - Revision V1.02

5.6.2 Features

The I2C bus uses two wires (SDA and SCL) to transfer information between devices connected to the

bus. The main features of the bus are:

y Master/Slave up to 1Mbit/s

y Bidirectional data transfer between masters and slaves

y Multi-master bus (no central master)

y Arbitration between simultaneously transmitting masters without corruption of serial data on the

bus

y Serial clock synchronization allows devices with different bit rates to communicate vian one serial

bus

y Serial clock synchronization can be used as a handshake mechanism to suspend and resume

serial transfer

y Built-in a 14-bit time-out counter will request the I2C interrupt if the I2C bus hangs up and timer-

out counter overflows.

y External pull-up are needed for high output

y Programmable clocks allow versatile rate control

y Supports 7-bit addressing mode

y I2C-bus controllers support multiple address recognition ( Four slave address with mask option)

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Rainbow-electronics NUC120 Bedienungsanleitung Seite 38