DM385 datasheet(209/281 Pages) TI

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DM385, DM388

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SPRS821D – MARCH 2013 – REVISED DECEMBER 2013

8.11 Inter-Integrated Circuit (I2C)

The device includes four inter-integrated circuit (I2C) modules which provide an interface to other devices

compliant with Philips Semiconductors Inter-IC bus (I2C-bus™) specification version 2.1. External

components attached to this 2-wire serial bus can transmit/receive 8-bit data to/from the device through

the I2C module. The I2C port does not support CBUS compatible devices.

The I2C port supports the following features:

•

Compatible with Philips I2C Specification Revision 2.1 (January 2000)

•

Standard and fast modes from 10 - 400 Kbps (no fail-safe I/O buffers)

•

Noise filter to remove noise 50 ns or less

•

Seven- and ten-bit device addressing modes

•

Multimaster transmitter/slave receiver mode

•

Multimaster receiver/slave transmitter mode

•

Combined master transmit/receive and receive/transmit modes

•

Two DMA channels, one interrupt line

•

Built-in FIFO (32 byte) for buffered read or write.

For more detailed information on the I2C peripheral, see the Inter-Integrated Circuit (I2C) Controller

Module chapter in the device-specific Technical Reference Manual.

8.11.1 I2C Peripheral Register Descriptions

The I2C peripheral registers are described in the device-specific Technical Reference Manual. Each

the peripherals are in the device memory map (see Section 2.10).

Peripheral Information and Timings

209

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DM385 Datasheet(PDF) 209 Page - Texas Instruments