TMS320DM355ZCE135

Digital Signal Processor Dsp Overview

The TMS320DM355ZCE135 is a Digital Media System-on-Chip (DMSoC) from Texas Instruments, featuring an ARM926EJ-S processor core operating at a maximum clock rate of 135 MHz. It integrates an MPEG4/JPEG coprocessor supporting up to 720p MPEG4 SP and JPEG encoding at 50M pixels per second. The device includes a Video Processing Subsystem with hardware IPIPE and OSD capabilities. Electrical specifications include a 1.3-V core voltage and 1.8-V or 3.3-V I/O options. It utilizes a 337-pin BGA package (ZCE suffix) on a 90-nm process technology.

Digital Signal Processor Dsp Feature Summary

• ARM926EJ-S RISC processor core with 16-KB instruction cache, 8-KB data cache, 32-KB RAM, and 8-KB ROM.
• Fixed-function MPEG4/JPEG coprocessor for HD (720p), D1, VGA, SIF video encoding and high-speed JPEG processing.
• Video Processing Subsystem (VPSS) comprising a front-end (VPFE) with hardware image pipe and a back-end (VPBE) with hardware OSD.
• Integrated peripherals including USB 2.0, two MMC/SD interfaces, three UARTs, three SPIs, and I2C bus.

Digital Signal Processor Dsp Applications

• Digital still cameras and digital photo frames
• IP security cameras and four-channel digital video recorders
• Video door bell applications
• Portable digital video devices

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix 'ZCE135' against current manufacturer documentation to confirm the 135-MHz frequency rating and extended temperature range availability. Confirm RoHS compliance status as product statuses may change over time.

Digital Signal Processor Dsp Selection Notes

Select this component when a low-power, cost-effective solution for portable video is required. Ensure the design supports the 1.3-V core supply and compatible I/O voltages. Verify that the 337-pin BGA footprint matches the PCB layout constraints.

Digital Signal Processor Dsp Part Context

This part belongs to the TMS320DM3x series of DaVinci digital media processors. It is designed to provide a highly integrated platform for multimedia applications, combining ARM processing power with specialized hardware accelerators for video and image codecs.

Digital Signal Processor Dsp Replacement Considerations

Check for updated versions within the DM35x family, such as the TMS320DM355ZWT or other suffixes offering different clock speeds (e.g., 216 MHz or 270 MHz). Ensure software compatibility if migrating between variants in the same series.

Digital Signal Processor Dsp FAQ

What is the maximum clock speed of the ARM926EJ-S core in the ZCE135 variant?

The TMS320DM355ZCE135 variant operates at a maximum clock rate of 135 MHz.

Does the TMS320DM355 support external memory expansion?

Yes, it features an asynchronous external memory interface (AEMIF) for NAND/OneNAND/SRAM and a synchronous DDR2/mDDR controller with a 16-bit wide interface.

What video output formats are supported by the VPBE?

The Video Processing Back-End supports composite NTSC/PAL video encoder output, 8-/16-bit YCC digital output, up to 18-bit RGB666 digital output, and BT.601/BT.656 digital YCbCr 4:2:2 interfaces.