Texas Instruments TMS320C55x | Texas Instruments
TMS320C55x series from Texas Instruments
Texas Instruments TMS320C55x Series Overview
Ultra-low-power fixed-point DSP platform for portable audio and voice applications.
The TMS320C55x from Texas Instruments is a Ultra-low-power fixed-point DSP platform for portable audio and voice applications. This series includes 5 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.
Built on a C55x 300MHz architecture, the TMS320C55x series integrates essential peripherals including timers, communication interfaces, and analog converters to support complete system-on-chip designs. The integrated development environment and extensive software libraries accelerate firmware development and reduce design risk.
Octatronics stocks TMS320C55x variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.
Key Features
- C55x 300MHz CoreC55x 300MHz core delivers optimal performance-per-watt for real-time processing tasks.
- Rich Peripheral IntegrationOn-chip timers, ADCs, DACs, and communication interfaces (UART, SPI, I2C, CAN) reduce external component needs.
- Comprehensive Development EcosystemIDE support, debugger tools, RTOS options, and extensive code examples accelerate development cycles.
- Scalable Memory OptionsMultiple flash and RAM configurations allow right-sizing for each application, optimizing cost and performance.
Target Applications
- Portable audio
- Bluetooth headsets
- Digital hearing aids
- MP3 players
- Voice recorders
Compare TMS320C55x Variants
Side-by-side comparison of 10 product variants from Texas Instruments
| Parameter | TMS320C5545AZQW10R | TMS320C5545AZQW12 | TMS320C5535AZHHA10 | TMS320C5535AZHH10 | TMS320C5545AZQW06 | TMS320C5535AZHHA05 | TMS320C5535AZHH05 | TMS320C5533AZAYA10 | TMS320C5533AZHH05 | TMS320C5532NZAY10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | 118-VFBGA | 118-VFBGA | 144-LFBGA | 144-LFBGA | 118-VFBGA | 144-LFBGA | 144-LFBGA | 144-LFBGA | 144-LFBGA | 144-LFBGA |
| Clock Rate | 100MHz | 120MHz | 100MHz | 100MHz | 60MHz | 50MHz | 50MHz | 100MHz | 50MHz | 100MHz |
| Interface | I²C, I²S, MMC/SD, SPI, UART, USB | I²C, I²S, MMC/SD, SPI, UART, USB | I²C, I²S, LCD, MMC/SD, SPI, UART, USB | I²C, I²S, LCD, MMC/SD, SPI, UART, USB | I²C, I²S, MMC/SD, SPI, UART, USB | I²C, I²S, LCD, MMC/SD, SPI, UART, USB | I²C, I²S, LCD, MMC/SD, SPI, UART, USB | I²C, I²S, MMC/SD, SPI, UART, USB | I²C, I²S, MMC/SD, SPI, UART | I²C, I²S, MMC/SD, SPI, UART |
| Operating Temperature | -10°C ~ 70°C (TC) | -10°C ~ 70°C (TC) | -40°C ~ 85°C (TC) | -10°C ~ 70°C (TC) | -10°C ~ 70°C (TC) | -40°C ~ 85°C (TC) | -10°C ~ 70°C (TC) | -40°C ~ 85°C (TC) | -10°C ~ 70°C (TC) | -10°C ~ 70°C (TC) |
| Extracted Price | 5.1404 | - | 94.091 | 72.9603 | - | 311.458 | - | - | 4.2587 | - |
| Inventory As of | 2026-05-15 | - | 2026-05-15 | 2026-05-13 | - | 2026-05-15 | - | - | 2026-05-13 | - |
| Inventory Source | Winsource | - | Winsource | Winsource | - | Winsource | - | - | Winsource | - |
| Inventory Source File | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | - | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | - | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | - | - | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | - |
| Non Volatile Memory | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) | ROM (128kB) |
| On Chip RAM | 320kB | 320kB | 320kB | 320kB | 320kB | 320kB | 320kB | 128KB | 128KB | 64kB |
| Price Formula | winsource min price * 2 | - | winsource min price * 2 | winsource min price * 2 | - | winsource min price * 2 | - | - | winsource min price * 2 | - |
| Source Category | Integrated Circuits (ICs) > Embedded > Embedded - DSP (Digital Signal Processors) | - | Integrated Circuits (ICs) > Embedded > Embedded - DSP (Digital Signal Processors) | Integrated Circuits (ICs) > Embedded > Embedded - DSP (Digital Signal Processors) | - | Integrated Circuits (ICs) > Embedded > Embedded - DSP (Digital Signal Processors) | - | - | Integrated Circuits (ICs) > Embedded > Embedded - DSP (Digital Signal Processors) | - |
| Source Manufacturer | Texas Instruments | - | Texas Instruments | Texas Instruments | - | Texas Instruments | - | - | Texas Instruments | - |
| Stock | 10900 | - | 299 | 468 | - | 99 | - | - | 4600 | - |
| Supplier Device Package | 118-BGA MICROSTAR JUNIOR (7x7) | 118-BGA MICROSTAR JUNIOR (7x7) | 144-BGA MICROSTAR (12x12) | 144-BGA MICROSTAR (12x12) | 118-BGA MICROSTAR JUNIOR (7x7) | 144-BGA MICROSTAR (12x12) | 144-BGA MICROSTAR (12x12) | 144-NFBGA (12x12) | 144-BGA MICROSTAR (12x12) | 144-NFBGA (12x12) |
| Type | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point | Fixed Point |
| Voltage Core | 1.05V, 1.30V | 1.05V, 1.30V | 1.05V, 1.30V | 1.05V, 1.30V | 1.05V, 1.30V | 1.05V | 1.05V | 1.30V | 1.05V | 1.30V |
| Voltage IO | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V | 1.8V, 2.5V, 2.75V, 3.3V |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Clock Speed
50MHz→TMS320C5535AZHHA05TMS320C5535AZHH05TMS320C5533AZHH05
60MHz→TMS320C5545AZQW06
100MHz→TMS320C5545AZQW10RTMS320C5535AZHHA10TMS320C5535AZHH10TMS320C5533AZAYA10TMS320C5532NZAY10
120MHz→TMS320C5545AZQW12
Package
118-VFBGA→TMS320C5545AZQW10RTMS320C5545AZQW12TMS320C5545AZQW06
144-LFBGA→TMS320C5535AZHHA10TMS320C5535AZHH10TMS320C5535AZHHA05TMS320C5535AZHH05TMS320C5533AZAYA10TMS320C5533AZHH05TMS320C5532NZAY10
Interface
I²C, I²S, MMC/SD, SPI, UART, USB→TMS320C5545AZQW10RTMS320C5545AZQW12TMS320C5545AZQW06TMS320C5533AZAYA10
I²C, I²S, LCD, MMC/SD, SPI, UART, USB→TMS320C5535AZHHA10TMS320C5535AZHH10TMS320C5535AZHHA05TMS320C5535AZHH05
I²C, I²S, MMC/SD, SPI, UART→TMS320C5533AZHH05TMS320C5532NZAY10
Temperature Range
-10°C ~ 70°C (TC)→TMS320C5545AZQW10RTMS320C5545AZQW12TMS320C5535AZHH10TMS320C5545AZQW06TMS320C5535AZHH05TMS320C5533AZHH05TMS320C5532NZAY10
-40°C ~ 85°C (TC)→TMS320C5535AZHHA10TMS320C5535AZHHA05TMS320C5533AZAYA10
Technical Specifications
Compare key TMS320C55x specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.
Processor Specifications
CPU Core
C55x 300MHz
Operating Frequency
See datasheet per variant
Flash Memory
Multiple options available
RAM
Multiple options available
Peripherals
Communication
UART, SPI, I2C, CAN (varies)
Analog
ADC, DAC, Comparators (varies)
Timers/PWM
Multiple channels
Frequently Asked Questions
Common technical questions about the TMS320C55x series.
The TMS320C55x is a Texas Instruments Ultra-low-power fixed-point DSP platform for portable audio and voice applications. The series includes 5 variants optimized for different application requirements.
The TMS320C55x series currently includes 5 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The TMS320C55x series is used in Portable audio, Bluetooth headsets, Digital hearing aids, and MP3 players, Voice recorders. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Texas Instruments products including the TMS320C55x series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the TMS320C55x series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.