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TMP320C2811PBKA Scheda tecnica(PDF) 41 Page - Texas Instruments

Il numero della parte TMP320C2811PBKA
Spiegazioni elettronici  TMS320R2811, TMS320R2812 Digital Signal Processors
PDF  147 Pages
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Produttore elettronici  TI [Texas Instruments]
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TMP320C2811PBKA Scheda tecnica(HTML) 41 Page - Texas Instruments

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Functional Overview
41
June 2004
SPRS257
Figure 3−6 shows how the interrupts are multiplexed using the PIE block. 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 R281x, 45 of these are used by peripherals as shown in Table 3−8.
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)
Figure 3−6. Multiplexing of Interrupts Using the PIE Block
Table 3−8. PIE Peripheral Interrupts†
CPU
PIE INTERRUPTS
CPU
INTERRUPTS
INTx.8
INTx.7
INTx.6
INTx.5
INTx.4
INTx.3
INTx.2
INTx.1
INT1
WAKEINT
(LPM/WD)
TINT0
(TIMER 0)
ADCINT
(ADC)
XINT2
XINT1
reserved
PDPINTB
(EV-B)
PDPINTA
(EV-A)
INT2
reserved
T1OFINT
(EV-A)
T1UFINT
(EV-A)
T1CINT
(EV-A)
T1PINT
(EV-A)
CMP3INT
(EV-A)
CMP2INT
(EV-A)
CMP1INT
(EV-A)
INT3
reserved
CAPINT3
(EV-A)
CAPINT2
(EV-A)
CAPINT1
(EV-A)
T2OFINT
(EV-A)
T2UFINT
(EV-A)
T2CINT
(EV-A)
T2PINT
(EV-A)
INT4
reserved
T3OFINT
(EV-B)
T3UFINT
(EV-B)
T3CINT
(EV-B)
T3PINT
(EV-B)
CMP6INT
(EV-B)
CMP5INT
(EV-B)
CMP4INT
(EV-B)
INT5
reserved
CAPINT6
(EV-B)
CAPINT5
(EV-B)
CAPINT4
(EV-B)
T4OFINT
(EV-B)
T4UFINT
(EV-B)
T4CINT
(EV-B)
T4PINT
(EV-B)
INT6
reserved
reserved
MXINT
(McBSP)
MRINT
(McBSP)
reserved
reserved
SPITXINTA
(SPI)
SPIRXINTA
(SPI)
INT7
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
INT8
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
INT9
reserved
reserved
ECAN1INT
(CAN)
ECAN0INT
(CAN)
SCITXINTB
(SCI-B)
SCIRXINTB
(SCI-B)
SCITXINTA
(SCI-A)
SCIRXINTA
(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
† Out of the 96 possible interrupts, 45 interrupts are currently used. the remaining interrupts are reserved for future devices. However, these
interrupts can be used as software interrupts if they are enabled at the PIEIFRx level.



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