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Figure 3-7 – Texas Instruments TMS320F2802 User Manual

Page 42

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XINT2

C28x

CPU

CPU TIMER 2 (Reserved for DSP/BIOS)

CPU TIMER 0

Watchdog

Peripherals

(SPI, SCI, I2C, eCAN, ePWM, eCAP, eQEP, ADC)

TINT0

Interrupt Control

XNMICR(15:0)

XINT1

MUX

MUX

MUX

MUX

MUX

Interrupt Control

XINT1

XINT1CR(15:0)

Interrupt Control

XINT2

96 Interrupts

PIE

XINT2CR(15:0)

GPIO

MUX

WDINT

INT1

to

INT12

INT13

INT14

NMI

XINT1CTR(15:0)

XINT2CTR(15:0)

XNMICTR(15:0)

CPU TIMER 1

TINT2

Low-Power Modes

LPMINT

WAKEINT

TINT1

int13_select

XNMI_XINT13

GPIO0.int

GPIO31.int

ADC

XINT2SOC

GPIOXINT1SEL(4:0)

GPIOXINT2SEL(4:0)

GPIOXNMISEL(4:0)

nmi_select

1

TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015

SPRS230N – OCTOBER 2003 – REVISED MAY 2012

www.ti.com

When the PIE is enabled, TRAP #1 through TRAP #12 will transfer program control to the interrupt service
routine corresponding to the first vector within the PIE group. For example: TRAP #1 fetches the vector
from INT1.1, TRAP #2 fetches the vector from INT2.1 and so forth.

Figure 3-7. External and PIE Interrupt Sources

42

Functional Overview

Copyright © 2003–2012, Texas Instruments Incorporated

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TMS320C2801 TMS320F28016 TMS320F28015