SM320F2812-HT

SGUS062A –JUNE 2009 –REVISED APRIL 2010

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3.6Interrupts

Figure 3-4shows how the various interrupt sources are multiplexed within the F2812 device.

 

 

 

Peripherals (SPI, SCI, McBSP, CAN, EV, ADC)

 

 

 

 

(41 Interrupts)

 

 

 

WAKEINT

WDINT

Watchdog

 

 

 

 

 

 

 

 

LPMINT

Low-Power Modes

 

 

 

 

 

 

²

Interrupt Control

XINT1

 

 

 

 

 

 

 

Interrupts

 

 

 

PIE

XINT1CTR(15:0)

 

 

INT1 to INT12

 

 

 

 

 

 

 

96

 

 

 

 

 

 

Interrupt Control

XINT2

 

 

 

 

 

 

C28x CPU

 

 

XINT2CR(15:0)

 

 

 

 

 

 

 

 

 

 

XINT2CTR(15:0)

 

 

 

 

TINT0

 

 

GPIO

 

 

TIMER 0

 

MUX

 

 

 

 

 

INT14

 

TINT2

TIMER 2 (for RTOS)

 

 

 

 

 

 

 

 

 

 

 

 

 

TINT1

TIMER 1 (for RTOS)

 

 

 

 

MUX

 

 

INT13

 

 

 

 

 

 

 

 

 

 

 

select

 

 

 

 

 

enable

 

 

 

NMI

 

 

Interrupt Control

XNMI_XINT13

 

 

 

 

 

 

 

 

 

XNMICR(15:0)

 

 

 

 

 

XNMICTR(15:0)

 

 

†Out of a possible 96 interrupts, 45 are currently used by peripherals.

Figure 3-4. Interrupt Sources

Eight PIE block interrupts are grouped into one CPU interrupt. In total, 12 CPU interrupt groups, with 8 interrupts per group equals 96 possible interrupts. On the F2812, 45 of these are used by peripherals as shown in Table 3-10.

42

Functional Overview

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Texas Instruments SM320F2812-HT specifications Interrupts
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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.
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