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ENICSF2811PBKA датащи(PDF) 45 Page - Texas Instruments

номер детали ENICSF2811PBKA
подробное описание детали  Digital Signal Processors
PDF  172 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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ENICSF2811PBKA датащи(HTML) 45 Page - Texas Instruments

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INT12
MUX
INT11
INT2
INT1
CPU
(Enable)
(Flag)
INTx
INTx.8
PIEIERx[8:1]
PIEIFRx[8:1]
MUX
INTx.7
INTx.6
INTx.5
INTx.4
INTx.3
INTx.2
INTx.1
From
Peripherals
or
External
Interrupts
(Enable)
(Flag)
IER[12:1]
IFR[12:1]
Global
Enable
INTM
1
0
PIEACKx
(Enable/Flag)
TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
www.ti.com
SPRS174T – APRIL 2001 – REVISED MAY 2012
Figure 3-7. Multiplexing of Interrupts Using the PIE Block
Table 3-12. PIE Peripheral Interrupts(1)
PIE INTERRUPTS
CPU
INTERRUPTS
INTx.8
INTx.7
INTx.6
INTx.5
INTx.4
INTx.3
INTx.2
INTx.1
WAKEINT
TINT0
ADCINT
PDPINTB
PDPINTA
INT1
XINT2
XINT1
Reserved
(LPM/WD)
(TIMER 0)
(ADC)
(EV-B)
(EV-A)
T1OFINT
T1UFINT
T1CINT
T1PINT
CMP3INT
CMP2INT
CMP1INT
INT2
Reserved
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
CAPINT3
CAPINT2
CAPINT1
T2OFINT
T2UFINT
T2CINT
T2PINT
INT3
Reserved
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
(EV-A)
T3OFINT
T3UFINT
T3CINT
T3PINT
CMP6INT
CMP5INT
CMP4INT
INT4
Reserved
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
CAPINT6
CAPINT5
CAPINT4
T4OFINT
T4UFINT
T4CINT
T4PINT
INT5
Reserved
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
(EV-B)
MXINT
MRINT
SPITXINTA
SPIRXINTA
INT6
Reserved
Reserved
Reserved
Reserved
(McBSP)
(McBSP)
(SPI)
(SPI)
INT7
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
INT8
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
ECAN1INT
ECAN0INT
SCITXINTB
SCIRXINTB
SCITXINTA
SCIRXINTA
INT9
Reserved
Reserved
(CAN)
(CAN)
(SCI-B)
(SCI-B)
(SCI-A)
(SCI-A)
INT10
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
INT11
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
INT12
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
(1)
Out of the 96 possible interrupts, 45 interrupts are currently used. The remaining interrupts are reserved for future devices. These
interrupts can be used as software interrupts if they are enabled at the PIEIFRx level, provided none of the interrupts within the group is
being used by a peripheral. Otherwise, interrupts coming in from peripherals may be lost by accidentally clearing their flag while
modifying the PIEIFR.
To summarize, there are two safe cases when the reserved interrupts could be used as software interrupts:
•
No peripheral within the group is asserting interrupts.
•
No peripheral interrupts are assigned to the group (example PIE group 12).
Copyright © 2001–2012, Texas Instruments Incorporated
Functional Overview
45
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Product Folder Link(s): TMS320F2810 TMS320F2811 TMS320F2812 TMS320C2810 TMS320C2811 TMS320C2812



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