Interrupt Timing Requirements | Texas Instruments SM320F2812-HT

							SM320F2812-HT
www.ti.com				SGUS062A –JUNE 2009 –REVISED APRIL 2010
		Table 6-18. Interrupt Timing Requirements

						MIN	MAX	UNIT

(1)			with no qualifier		2 × tc(SCO)
tw(INT)	Pulse duration, INT input low/high		with qualifier	1 × t	c(SCO)	+ IQT(2)		cycles
			with qualifier	1 × t		+ IQT(2)

			with no qualifier		2 × tc(SCO)
tw(PDP)	Pulse duration, PDPINTx input low		with no qualifier		2 × tc(SCO)			cycles
tw(PDP)	Pulse duration, PDPINTx input low		with qualifier	1 × t	c(SCO)	+ IQT(2)		cycles
			with qualifier	1 × t		+ IQT(2)

(1)			with no qualifier		2 × tc(SCO)
(1)			with no qualifier		2 × tc(SCO)
tw(CxTRIP)	Pulse duration, CxTRIP input low		with qualifier	1 × t	c(SCO)	+ IQT(2)		cycles
			with qualifier	1 × t	c(SCO)	+ IQT(2)
(1)			with no qualifier		2 × tc(SCO)
(1)			with no qualifier		2 × tc(SCO)
tw(TxCTRIP)	Pulse duration, TxCTRIP input low		with qualifier	1 × t	c(SCO)	+ IQT(2)		cycles
			with qualifier	1 × t		+ IQT(2)

(1)Not production tested.

(2)Input Qualification Time (IQT) = [5 × QUALPRD × 2] × tc(SCO)

XCLKOUT (see Note A)

tw(PDP), tw(CxTRIP), tw(TxCTRIP)

TxCTRIP, CxTRIP,

PDPINTx

(see Note B)

td(PDP-PWM)HZ ,td(TRIP-PWM)HZ

PWM (see Note C)

tw(INT)

XNMI, XINT1, XINT2

	td(INT)
A0−A15	Interrupt Vector

A.XCLKOUT = SYSCLKOUT

B.TxCTRIP – T1CTRIP, T2CTRIP, T3CTRIP, T4CTRIP . CxTRIP – C1TRIP, C2TRIP, C3TRIP, C4TRIP, C5TRIP, or C6TRIP. PDPINTx – PDPINTA or PDPINTB

C.PWM refers to all the PWM pins in the device (i.e., PWMn and TnPWM pins or PWM pin pair relevant to each CxTRIP pin). The state of the PWM pins after PDPINTx is taken high depends on the state of the FCOMPOE bit.

Figure 6-20. External Interrupt Timing

6.17 General-Purpose Input/Output (GPIO) – Output Timing

Table 6-19. General-Purpose Output Switching Characteristics

	PARAMETER		MIN	MAX	UNIT

td(XCOH-GPO)	Delay time, XCLKOUT high to GPIO low/high	All GPIOs		1 × tc(SCO)	cycle
(1)	Rise time, GPIO switching low to high	All GPIOs		10	ns
tr(GPO)	Rise time, GPIO switching low to high	All GPIOs		10	ns
(1)	Fall time, GPIO switching high to low	All GPIOs		10	ns
tf(GPO)	Fall time, GPIO switching high to low	All GPIOs		10	ns
(1)	Toggling frequency, GPO pins			20	MHz
fGPO	Toggling frequency, GPO pins			20	MHz

(1)Not production tested.

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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 General-Purpose Input/Output Gpio Output Timing

Models: SM320F2812-HT

SM320F2812-HT

Table 6-18. Interrupt Timing Requirements

MIN