TMS320DM335 datasheet(57/158 Pages) TI

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TMS320DM335

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS528A – JULY 2008 – REVISED AUGUST 2008

Reference Guide This document describes the operation of the audio serial port (ASP)

audio interface in the TMS320DM335 Digital Media System-on-Chip (DMSoC). The primary

audio modes that are supported by the ASP are the AC97 and IIS modes. In addition to the

primary audio modes, the ASP supports general serial port receive and transmit operation,

but is not intended to be used as a high-speed interface.

SPRUFY1

TMS320DM335 Digital Media System-on-Chip (DMSoC) Serial Peripheral Interface (SPI)

Reference Guide This document describes the serial peripheral interface (SPI) in the

TMS320DM335 Digital Media System-on-Chip (DMSoC). The SPI is a high-speed

synchronous serial input/output port that allows a serial bit stream of programmed length (1

to 16 bits) to be shifted into and out of the device at a programmed bit-transfer rate. The SPI

is normally used for communication between the DMSoC and external peripherals. Typical

applications include an interface to external I/O or peripheral expansion via devices such as

shift registers, display drivers, SPI EPROMs and analog-to-digital converters.

SPRUFY2

TMS320DM335 Digital Media System-on-Chip (DMSoC) Universal Asynchronous

Receiver/Transmitter (UART) Reference Guide This document describes the universal

asynchronous receiver/transmitter (UART) peripheral in the TMS320DM335 Digital Media

System-on-Chip (DMSoC). The UART peripheral performs serial-to-parallel conversion on

data received from a peripheral device, and parallel-to-serial conversion on data received

from the CPU.

SPRUFY3

TMS320DM335 Digital Media System-on-Chip (DMSoC) Inter-Integrated Circuit (I2C)

Peripheral Reference Guide This document describes the inter-integrated circuit (I2C)

peripheral in the TMS320DM335 Digital Media System-on-Chip (DMSoC). The I2C

peripheral provides an interface between the DMSoC and other devices compliant with the

I2C-bus specification and connected by way of an I2C-bus. External components attached to

this 2-wire serial bus can transmit and receive up to 8-bit wide data to and from the DMSoC

through the I2C peripheral. This document assumes the reader is familiar with the I2C-bus

specification.

SPRUFY5

TMS320DM335 Digital Media System-on-Chip (DMSoC) Multimedia Card (MMC)/Secure

Digital (SD) Card Controller Reference Guide This document describes the multimedia

card (MMC)/secure digital (SD) card controller in the TMS320DM335 Digital Media

System-on-Chip (DMSoC). The MMC/SD card is used in a number of applications to provide

removable data storage. The MMC/SD controller provides an interface to external MMC and

SD cards. The communication between the MMC/SD controller and MMC/SD card(s) is

performed by the MMC/SD protocol.

SPRUFZ20 TMS320DM335 Digital Media System-on-Chip (DMSoC) Enhanced Direct Memory

Access (EDMA) Controller Reference Guide This document describes the operation of the

enhanced direct memory access (EDMA3) controller in the TMS320DM335 Digital Media

System-on-Chip

(DMSoC).

The

EDMA

controller's

primary

purpose

service

user-programmed data transfers between two memory-mapped slave endpoints on the

DMSoC.

SPRUFY0

TMS320DM335 Digital Media System-on-Chip (DMSoC) 64-bit Timer Reference Guide

This document describes the operation of the software-programmable 64-bit timers in the

TMS320DM335 Digital Media System-on-Chip (DMSoC). Timer 0, Timer 1, and Timer 3 are

used as general-purpose (GP) timers and can be programmed in 64-bit mode, dual 32-bit

unchained mode, or dual 32-bit chained mode; Timer 2 is used only as a watchdog timer.

The GP timer modes can be used to generate periodic interrupts or enhanced direct memory

access (EDMA) synchronization events and Real Time Output (RTO) events (Timer 3 only).

The watchdog timer mode is used to provide a recovery mechanism for the device in the

event of a fault condition, such as a non-exiting code loop.

SPRUFY8

TMS320DM335 Digital Media System-on-Chip (DMSoC) General-Purpose Input/Output

(GPIO) Reference Guide This document describes the general-purpose input/output (GPIO)

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