TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
SPRS174T –APRIL 2001–REVISED MAY 2012
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3.2.22 Serial Port Peripherals
The F281x and C281x support the following serial communication peripherals:
eCAN: This is the enhanced version of the CAN peripheral. It supports 32 mailboxes, time
stamping of messages, and is CAN 2.0B-compliant.
McBSP: The multichannel buffered serial port (McBSP) connects to E1/T1 lines, phone-quality
codecs for modem applications or high-quality stereo audio DAC devices. The McBSP
receive and transmit registers are supported by a 16-level FIFO that significantly reduces
the overhead for servicing this peripheral.
SPI: The SPI is a high-speed, synchronous serial I/O port that allows a serial bit stream of
programmed length (one to sixteen bits) to be shifted into and out of the device at a
programmable bit-transfer rate. Normally, the SPI is used for communications between
the DSP controller and external peripherals or another processor. Typical applications
include external I/O or peripheral expansion through devices such as shift registers,
display drivers, and ADCs. Multi-device communications are supported by the
master/slave operation of the SPI. On the F281x and C281x, the port supports a 16-
level, receive-and-transmit FIFO for reducing servicing overhead.
SCI: The serial communications interface is a two-wire asynchronous serial port, commonly
known as UART. On the F281x and C281x, the port supports a 16-level, receive-and-
transmit FIFO for reducing servicing overhead.
38 Functional Overview Copyright © 2001–2012, Texas Instruments Incorporated
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