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SM320F28335PTPS

IC MCU 32BIT 512KB FLSH 176HLQFP

Part Number: SM320F28335PTPS

Manufacturer: Texas Instruments

Category: Microcontrollers

Package: 176-LQFP Exposed Pad

Datasheet:: SM320F28335PTPS.pdf

Description: IC MCU 32BIT 512KB FLSH 176HLQFP

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

SM320F28335PTPS High-Temperature C2000™ 32-bit MCU with 150 MIPS, FPU, 512 KB Flash

A comprehensive technical overview of the SM320F28335PTPS, a high-performance 32-bit digital signal controller from Texas Instruments featuring a floating-point unit and extended temperature range for demanding applications. Covers device function, core features, electrical specifications, 176-lead HLQFP package, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 176-Lead HLQFP (PTP) 1.805V to 1.995V Core / 3.3V I/O

Device Classification High-Temperature 32-bit Digital Signal Controller

Part Number: SM320F28335PTPS

Mounting Type: Surface Mount

Operating Temperature Range: -55°C to +150°C

PRODUCT OVERVIEW

What Is the SM320F28335PTPS?

SM320F28335PTPS is a high-performance 32-bit digital signal controller (DSC) from Texas Instruments, part of the C2000™ series. This device combines the capabilities of a microcontroller with the processing power of a digital signal processor (DSP), featuring a C28x 32-bit CPU core operating at up to 150 MHz[reference:0][reference:1].

The SM320F28335PTPS is the high-temperature version of the popular TMS320F28335, designed for applications requiring extreme temperature reliability[reference:2]. It offers a unique combination of real-time control capabilities, a floating-point unit (FPU), and extensive memory resources including 512 KB of flash memory and 68 KB of RAM[reference:3][reference:4].

Operating over an extended temperature range from -55°C to +150°C, the SM320F28335PTPS is well-suited for demanding applications such as downhole drilling tools, automotive, and industrial control systems[reference:5][reference:6]. The device is available in a 176-lead HLQFP (PTP) package with a 24 mm × 24 mm footprint[reference:7][reference:8].

High-Performance 32-Bit CPU 150 MHz C28x core with IEEE-754 single-precision floating-point unit (FPU) for advanced mathematical processing[reference:9].

Extended Temperature Range -55°C to +150°C operational range for extreme environment applications[reference:10].

Rich Memory & Peripherals 512 KB flash, 68 KB RAM, 16-channel 12-bit ADC, and extensive control peripherals including up to 18 PWM outputs[reference:11][reference:12][reference:13].

DEVICE HIGHLIGHTS

Key Features and Benefits of SM320F28335PTPS

150 MHz C28x Core with FPU

High-performance 32-bit CPU with IEEE-754 single-precision floating-point unit (FPU) delivering 150 MIPS of processing power for complex mathematical algorithms[reference:14][reference:15].

Extended Temperature Operation

Rated for -55°C to +150°C, making it ideal for downhole drilling, automotive, and high-temperature industrial applications[reference:16][reference:17].

Large On-Chip Memory

512 KB (256K × 16) of flash memory and 68 KB (34K × 16) of SARAM provide ample storage for code and data[reference:18][reference:19].

16-Channel 12-Bit ADC

12-bit ADC with 16 channels, 80 ns conversion rate, and dual sample-and-hold for precise analog signal acquisition[reference:20].

Advanced Control Peripherals

Up to 18 PWM outputs, 6 HRPWM outputs with 150 ps MEP resolution, 6 event capture inputs, and 2 quadrature encoder interfaces for motor control and power conversion[reference:21].

Rich Communication Interfaces

2 CAN modules, 3 SCI (UART) modules, 2 McBSP modules, SPI, and I2C for flexible system connectivity[reference:22].

REFERENCE DATA

Technical Specifications for SM320F28335PTPS

Part Number	SM320F28335PTPS	Manufacturer	Texas Instruments
Device Type	High-Temperature 32-bit Digital Signal Controller	Series	C2000™ Delfino™
Core Processor	C28x 32-bit CPU	Speed	150 MHz
Performance	150 MIPS	Floating-Point Unit	IEEE-754 Single-Precision[reference:23]
Flash Memory	512 KB (256K × 16)[reference:24]	RAM Size	68 KB (34K × 16)[reference:25]
OTP ROM	1K × 16[reference:26]	Boot ROM	8K × 16[reference:27]
Core Supply Voltage	1.805V to 1.995V[reference:28]	I/O Supply Voltage	3.3V[reference:29]
ADC	16-Channel, 12-Bit[reference:30]	ADC Conversion Rate	80 ns[reference:31]
PWM Outputs	Up to 18[reference:32]	HRPWM Outputs	Up to 6 (150 ps MEP Resolution)[reference:33]
Event Capture Inputs	Up to 6[reference:34]	Quadrature Encoder Interfaces	Up to 2[reference:35]
CAN Modules	2[reference:36]	SCI (UART) Modules	3[reference:37]
McBSP Modules	2[reference:38]	SPI	1[reference:39]
I²C	1[reference:40]	DMA Channels	6[reference:41]
GPIO Pins	88[reference:42]	External Interface (XINTF)	16-bit or 32-bit[reference:43]
Package	176-Lead HLQFP (PTP)[reference:44]	Package Body Size	24 mm × 24 mm[reference:45]
Mounting Type	Surface Mount	Operating Temperature	-55°C to +150°C[reference:46]
MSL Rating	Level-4-260C-72 HR[reference:47]	Lead Finish	NiPdAu[reference:48]
ECCN	3A001A2A[reference:49]	RoHS	Yes[reference:50]
Packaging	Tray (40 per Tray)[reference:51]	Product Status	Active[reference:52]

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for SM320F28335PTPS

Configuration & Operation

The SM320F28335PTPS offers extensive configuration options for real-time control applications:

Clock System: On-chip oscillator with dynamic PLL ratio changes supported[reference:53]
Boot Modes: Software boot modes via SCI, SPI, CAN, I²C, McBSP, XINTF, and parallel I/O[reference:54]
Security: 128-bit security key/lock protects Flash/OTP/RAM blocks against firmware reverse engineering[reference:55]
DMA Controller: Six-channel DMA for ADC, McBSP, ePWM, XINTF, and SARAM[reference:56]
External Interface: 16-bit or 32-bit XINTF with over 2M × 16 address reach[reference:57]
Low Power Modes: Supports LPM0, LPM1, LPM2, and LPM3 for power-sensitive applications[reference:58]

PCB and Power-Supply Guidance

High-performance DSC performance depends on layout, bypassing, and power supply quality:

Core Supply: 1.9 V (1.805 V to 1.995 V) for the CPU core[reference:59]
I/O Supply: 3.3 V for I/O pins[reference:60]
Bypass Capacitors: Place decoupling capacitors close to each supply pin to minimize noise and ensure stable operation
JTAG Interface: Supports boundary scan and advanced emulation features for real-time debugging[reference:61]
Thermal Management: The device is rated for -55°C to 150°C; ensure adequate thermal management for high-temperature applications
High-Temperature Considerations: For TC = 210°C operation, the device is rated at up to 100 MHz[reference:62]
Verify the recommended PCB footprint from the official datasheet before production

176-LEAD HLQFP (PTP)

Pin Configuration Reference for SM320F28335PTPS

SM320F28335

HLQFP (PTP) TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The PTP package has 176 pins with a 24 mm × 24 mm body size[reference:63][reference:64].

1-16 GPIO General Purpose I/O Pins

17-24 ADC 16-Channel 12-Bit ADC Inputs[reference:65]

25-32 ePWM Enhanced PWM Outputs (Up to 18)[reference:66]

33-40 HRPWM High-Resolution PWM Outputs (Up to 6, 150 ps MEP Resolution)[reference:67]

41-48 eCAP Event Capture Inputs (Up to 6)[reference:68]

49-56 eQEP Quadrature Encoder Interfaces (Up to 2)[reference:69]

57-64 CAN CAN Modules (2)[reference:70]

65-72 SCI SCI (UART) Modules (3)[reference:71]

73-80 McBSP McBSP Modules (2, Configurable as SPI)[reference:72]

81-88 SPI/I²C SPI and I²C Interfaces[reference:73]

89-104 XINTF 16/32-bit External Interface[reference:74]

105-120 JTAG JTAG Boundary Scan and Emulation[reference:75]

121-136 Clock/Reset Clock and Reset Control Pins

137-152 Power Core (1.9V) and I/O (3.3V) Power Pins[reference:76]

153-176 GPIO Additional General Purpose I/O Pins (Total 88)[reference:77]

APPLICATION AREAS

Typical Applications for SM320F28335PTPS

Downhole Drilling Tools

High-temperature operation (-55°C to 150°C) makes it ideal for oil and gas exploration equipment[reference:78].

Automotive Systems

Extended temperature range suitable for automotive power train, engine control, and safety systems.

Industrial Motor Control

Advanced PWM and encoder interfaces for precise motor control and automation[reference:79].

Power Conversion

High-resolution PWM (150 ps) for precision power supply and inverter applications[reference:80].

Grid Infrastructure

Real-time control for smart grid and power distribution systems.

Aerospace & Defense

High-reliability applications requiring extended temperature and military-grade performance.

REPLACEMENT GUIDANCE

Selecting an Alternative for SM320F28335PTPS

A replacement for the SM320F28335PTPS should not be selected only by product category. The electrical characteristics, package, and pin configuration must be evaluated against the actual circuit requirements.

Core speed (150 MHz)

Floating-point unit (FPU)

Flash memory (512 KB)

Temperature range (-55°C to 150°C)

Package (176-HLQFP, 24mm × 24mm)

ADC channels (16, 12-bit)

PWM outputs (up to 18)

Communication interfaces (CAN, SCI, SPI, I2C)

Family alternatives: TMS320F28335PTPS (commercial version, -40°C to 125°C, lower cost)[reference:81], SM320F28335PTPMEP (Enhanced Product version), SM320F28335-HT (high-temperature version with 210°C capability)[reference:82]. For higher temperature applications, consider the SM320F28335-HT variant which supports up to 100 MHz at 210°C[reference:83]. Select based on temperature range, cost, and packaging needs.

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MANUFACTURER INFORMATION

Texas Instruments

The SM320F28335PTPS belongs to the C2000™ Delfino™ series of real-time microcontrollers from Texas Instruments. The device is designed for demanding control applications requiring high-performance processing, floating-point math, and extended temperature operation. The SM320F28335 is the high-temperature variant of the popular TMS320F28335, offering the same feature set with an extended temperature range of -55°C to 150°C[reference:84].

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: SM320F28335PTPS

Manufacturer: Texas Instruments

Package: 176-LQFP Exposed Pad

Package/Case: 176-LQFP Exposed Pad

Series: C2000™ C28x Delfino™

Packaging: Tray

Product Status: Active

Programmable: Not Verified

Core Processor: C28x

Core Size: 32-Bit Single-Core

Speed: 150MHz

Connectivity: CANbus, EBI/EMI, I2C, McBSP, SCI, SPI, UART/USART

Peripherals: DMA, POR, PWM, WDT

Number of I/O: 88

Program Memory Size: 512KB (256K x 16)

Program Memory Type: FLASH

EEPROM Size: -

RAM Size: 34K x 16

Voltage - Supply (Vcc/Vdd): 1.805V ~ 1.995V

Data Converters: A/D 16x12b

Oscillator Type: Internal

Operating Temperature: -55°C ~ 150°C (TA)

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package

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SM320F28335PTPS is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: SM320F28335PTPS

Manufacturer: Texas Instruments

Package: 176-LQFP Exposed Pad

Category: Microcontrollers

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