Interruptswww.ti.com

Table 1-32. Interrupt Table (continued)

 

SOFTWARE

RELATIVE

 

 

NAME

(TRAP)

LOCATION

PRIORITY

FUNCTION

 

EQUIVALENT

(HEX BYTES) (1)

 

 

-

SINT28

0xE0

15

Software interrupt #28

 

 

 

 

 

-

SINT29

0xE8

16

Software interrupt #29

 

 

 

 

 

-

SINT30

0xF0

17

Software interrupt #30

 

 

 

 

 

-

SINT31

0xF8

18

Software interrupt #31

 

 

 

 

 

1.6.1 IFR and IER Registers

The interrupt flag register 0 (IFR0) and interrupt enable register 0 (IER0) bit layouts are shown in Figure 1-25and described in Table 1-33.

Figure 1-25. IFR0 and IER0 Bit Locations

15

14

13

12

11

10

9

8

RCV2

XMT2

SAR

LCD

PROG3

Reserved

PROG2

 

DMA

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

 

R/W-0

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

PROG1

UART

PROG0

TINT

INT1

INT0

 

Reserved

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

 

R-0

LEGEND: R/W = Read/Write; R = Read only; -n= value after reset

 

 

 

 

Table 1-33. IFR0 and IER0 Bit Descriptions

 

 

 

 

 

Bit

 

Field

Value

Description

 

 

 

 

 

15

 

RCV2

1-0

I2S2 receive interrupt flag/mask bit.

 

 

 

 

 

14

 

XMT2

1-0

I2S2 transmit interrupt flag/mask bit.

 

 

 

 

 

13

 

SAR

1-0

10-BIT SAR A/D conversion or pin interrupt flag/mask bit.

 

 

 

 

 

12

 

LCD

1-0

LCD interrupt bit.

 

 

 

 

 

11

 

PROG3

1-0

Programmable receive interrupt 3 flag/mask bit. This bit is used as either the I2S1 receive interrupt

 

 

 

 

flag/mask bit or the MMC/SD1 SDIO interrupt flag/mask bit. The function of this bit is selected

 

 

 

 

depending on the setting of the SP1MODE bit is in external bus selection register. If SP1MODE =

 

 

 

 

00b, this bit supports MMC/SD1 SDIO interrupts. If SP1MODE = 01, this bit supports I2S1

 

 

 

 

interrupts.

 

 

 

 

 

10

 

Reserved

0

Reserved. This bit should always be written with 0.

 

 

 

 

 

9

 

PROG2

1-0

Programmable transmit interrupt 2 flag/mask bit. This bit is used as either the I2S1 transmit

 

 

 

 

interrupt flag/mask bit or the MMC/SD1 interrupt flag/mask bit. The function of this bit is selected

 

 

 

 

depending on the setting of the SP1MODE bit in the external bus selection register. If SP1MODE =

 

 

 

 

00b, this bit supports MMC/SD1 interrupts. If SP1MODE = 01, this bit supports I2S1 interrupts.

 

 

 

 

 

8

 

DMA

1-0

DMA aggregated interrupt flag/mask bit

 

 

 

 

 

7

 

PROG1

1-0

Programmable receive interrupt 1 flag/mask bit. This bit is used as either the I2S0 receive interrupt

 

 

 

 

flag/mask bit or the MMC/SD0 SDIO interrupt flag/mask bit. The function of this bit is selected

 

 

 

 

depending on the setting of the SP0MODE bit in the external bus selection register. If SP0MODE =

 

 

 

 

00b, this bit supports MMC/SD0 SDIO interrupts. If SP0MODE = 01, this bit supports I2S0

 

 

 

 

interrupts.

 

 

 

 

 

6

 

UART

1-0

UART interrupt flag/mask bit

 

 

 

 

 

5

 

PROG0

1-0

Programmable transmit interrupt 0 flag/mask bit. This bit is used as either the I2S0 transmit

 

 

 

 

interrupt flag/mask bit or the MMC/SD0 interrupt flag/mask bit. The function of this bit is selected

 

 

 

 

depending on the setting of the SP0MODE bit in the external bus selection register. If SP0MODE =

 

 

 

 

00b, this bit supports MMC/SD0 interrupts. If SP0MODE = 01, this bit supports I2S0 interrupts.

 

 

 

 

 

4

 

TINT

1-0

Timer aggregated interrupt flag/mask bit.

 

 

 

 

 

3

 

INT1

1-0

External user interrupt #1 flag/mask bit.

 

 

 

 

 

2

 

INT0

1-0

External user interrupt #0 flag/mask bit.

 

 

 

 

 

1-0

 

Reserved

0

Reserved. This bit should always be written with 0.

 

 

 

 

 

 

 

 

 

 

54

System Control

 

SPRUFX5A –October 2010 –Revised November 2010

 

 

 

 

Submit Documentation Feedback

Copyright © 2010, Texas Instruments Incorporated

Page 54
Image 54
Texas Instruments TMS3320C5515 manual IFR and IER Registers, IFR0 and IER0 Bit Descriptions

TMS3320C5515 specifications

The Texas Instruments TMS3320C5515 is a highly specialized digital signal processor (DSP) designed for a wide range of applications, including telecommunications, audio processing, and other signal-intensive tasks. As part of the TMS320 family of DSPs, the TMS3320C5515 leverages TI's extensive experience in signal processing technology, delivering robust performance and reliability.

One of the main features of the TMS3320C5515 is its 32-bit architecture, which allows for a high level of precision in digital signal computation. The processor is capable of executing complex mathematical algorithms, making it suitable for tasks that require high-speed data processing, such as speech recognition and audio filtering. With a native instruction set optimized for DSP applications, the TMS3320C5515 can perform multiply-accumulate operations in a single cycle, significantly enhancing computational efficiency.

The TMS3320C5515 employs advanced technologies including a Harvard architecture that separates instruction and data memory, enabling simultaneous access and improving performance. Its dual data buses enhance throughput by allowing multi-channel processing, making it particularly effective for real-time applications where timely data manipulation is critical. The device supports a wide range of peripherals, facilitating connections to various sensors and communication systems, which is vital in embedded applications.

In terms of characteristics, the TMS3320C5515 operates at an impressive clock speed, providing the computational power necessary to handle demanding tasks. The device is optimized for low power consumption, making it ideal for battery-operated applications without sacrificing performance. Its flexibility in processing algorithms also allows it to be readily adapted for specific requirements, from audio codecs to modems.

Another noteworthy aspect is the extensive development ecosystem surrounding the TMS3320C5515, which includes software tools, libraries, and support resources designed to accelerate the development process. This allows engineers and developers to bring their projects to market more quickly while minimizing risk.

Overall, the Texas Instruments TMS3320C5515 stands out as a powerful DSP solution, equipped with features that cater to the needs of various industries. Its combination of performance, efficiency, and versatile application makes it an attractive choice for engineers working in signal processing.