Functional Overview

							SM320F2812-HT
www.ti.com						SGUS062A –JUNE 2009 –REVISED APRIL 2010
3	Functional Overview
					Memory Bus
		TINT0	CPU-Timer 0
			CPU-Timer 0
			CPU-Timer 1
						Real-Time JTAG
			CPU-Timer 2
			TINT2		INT14		Control
					INT14		Control
						External
			PIE			Interface	Address(19)
		TINT1	(96 interrupts)†		INT[12:1]	(XINTF)
					INT[12:1]		Data(16)


		XINT13			INT13	M0 SARAM
		XINT13	External Interrupt			1K x 16
			External Interrupt			1K x 16
			Control		NMI	M1 SARAM
		XNMI	(XINT1/2/13, XNMI)			1K x 16
			(XINT1/2/13, XNMI)

		G
		P	SCIA/SCIB	FIFO
		I	SPI	FIFO		L0 SARAM ‡
		O	SPI	FIFO		4K x 16
						4K x 16
	GPIO Pins					L1 SARAM ‡
	GPIO Pins		McBSP	FIFO	C28x CPU	L1 SARAM ‡
					C28x CPU	4K x 16
		M				4K x 16
		M
		U	eCAN
		U
		X
			EVA/EVB			Flash ‡
			EVA/EVB			128K x 16
						128K x 16
		16 Channels	12-Bit ADC
			System Control			OTP ‡
	XRS		System Control		RS	1K x 16
	XRS					1K x 16

	X1/XCLKIN		(Oscillator and PLL		CLKIN
			+		CLKIN
			+
	X2		Peripheral Clocking
			+			H0 SARAM
	XF_XPLLDIS		Low-Power			8K ⋅ 16
			Modes		Memory Bus
			+		Memory Bus	Boot ROM
			+			Boot ROM
			WatchDog)			4K ⋅ 16
					Peripheral Bus

†45 of the possible 96 interrupts are used on the device.

‡Protected by the code-security module.

Figure 3-1. Functional Block Diagram

Functional Overview

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SM320F2812-HT specifications

The Texas Instruments SM320F2812-HT is a highly capable digital signal processor (DSP) specifically designed for high-performance and real-time applications in harsh environments. This part of the C2000 family of microcontrollers caters to applications in areas such as industrial automation, motor control, and power conversion, where reliability and durability under extreme temperature conditions are paramount.

One of the standout features of the SM320F2812-HT is its robust architecture based on a 32-bit fixed-point core. This allows for efficient execution of complex algorithms while maintaining a high processing speed. The processor operates at clock speeds of up to 150 MHz, enabling it to handle multiple tasks simultaneously with minimal latency.

The SM320F2812-HT boasts an impressive memory configuration that includes up to 128 KB of flash memory and 4 KB of RAM. The integrated memory supports efficient data handling and storage, making it ideal for demanding applications that require quick access to critical information. The device also features various peripherals, including analog-to-digital converters (ADCs), pulse width modulation (PWM) modules, and serial communication interfaces, which enhance its functionality in real-time processing and control tasks.

Furthermore, this DSP employs advanced control algorithms and supports various communication protocols, allowing it to interoperate seamlessly with other devices within a system. Its capabilities are further enhanced by Texas Instruments’ extensive development tools and software libraries, which enable developers to accelerate design cycles and improve overall efficiency.

With its high temperature rating, the SM320F2812-HT is designed to operate within a temperature range from -40°C to 125°C, making it particularly well-suited for use in automotive, aerospace, and other rugged environments where traditional components might fail. The high reliability and endurance of this microcontroller make it a preferred choice among engineers looking for durable solutions without compromising performance.

In summary, the Texas Instruments SM320F2812-HT represents a powerful blend of processing capabilities, memory architecture, and environmental resilience. Its features make it a go-to option for developers in search of a robust DSP for real-time applications, ensuring that it meets the rigorous demands of various industrial sectors while delivering consistent performance.

Texas Instruments SM320F2812-HT specifications Functional Overview

Models: SM320F2812-HT

SM320F2812-HT

XF_XPLLDIS

Peripheral Bus

Figure 3-1. Functional Block Diagram

SM320F2812-HT specifications