
SPRS226H NOVEMBER 2003 REVISED AUGUST 2005
31
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
interrupt sources and interrupt selector (continued)
Table 25. C64x DSP Interrupts
CPU
INTERRUPT
NUMBER
INTERRUPT
SELECTOR
CONTROL
REGISTER
SELECTOR
VALUE
(BINARY)
INTERRUPT
EVENT
INTERRUPT SOURCE
INT_00
INT_01
INT_02
INT_03
INT_04
INT_05
INT_06
INT_07
INT_08
INT_09
INT_10
RESET
NMI
Reserved
Reserved. Do not use.
Reserved
Reserved. Do not use.
MUXL[4:0]
00100
GPINT4/EXT_INT4
GPIO interrupt 4/External interrupt pin 4
MUXL[9:5]
00101
GPINT5/EXT_INT5
GPIO interrupt 5/External interrupt pin 5
MUXL[14:10]
00110
GPINT6/EXT_INT6
GPIO interrupt 6/External interrupt pin 6
MUXL[20:16]
00111
GPINT7/EXT_INT7
GPIO interrupt 7/External interrupt pin 7
MUXL[25:21]
01000
EDMA_INT
EDMA channel (0 through 63) interrupt
MUXL[30:26]
01001
EMU_DTDMA
EMU DTDMA
MUXH[4:0]
00011
SD_INTA
EMIFA SDRAM timer interrupt
INT_11
MUXH[9:5]
01010
EMU_RTDXRX
EMU real-time data exchange (RTDX)
receive
INT_12
MUXH[14:10]
01011
EMU_RTDXTX
EMU RTDX transmit
INT_13
MUXH[20:16]
00000
DSP_INT
HPI/PCI-to-DSP interrupt
(PCI supported on C6415T and C6416T)
INT_14
INT_15
MUXH[25:21]
00001
TINT0
Timer 0 interrupt
MUXH[30:26]
00010
TINT1
Timer 1 interrupt
01100
XINT0
McBSP0 transmit interrupt
01101
RINT0
McBSP0 receive interrupt
01110
XINT1
McBSP1 transmit interrupt
01111
RINT1
McBSP1 receive interrupt
10000
GPINT0
GPIO interrupt 0
10001
XINT2
McBSP2 transmit interrupt
10010
RINT2
McBSP2 receive interrupt
10011
TINT2
Timer 2 interrupt
10100
SD_INTB
EMIFB SDRAM timer interrupt
10101
Reserved
Reserved. Do not use.
10110
Reserved
Reserved. Do not use.
10111
UINT
UTOPIA interrupt (C6415T/C6416T only)
11000 11101
Reserved
Reserved. Do not use.
11110
VCPINT
VCP interrupt (C6416T only)
11111
TCPINT
TCP interrupt (C6416T only)
Interrupts INT_00 through INT_03 are non-maskable and fixed.
Interrupts INT_04 through INT_15 are programmable by modifying the binary selector values in the Interrupt Selector Control
registers fields. Table 25 shows the default interrupt sources for Interrupts INT_04 through INT_15. For more detailed
information on interrupt sources and selection, see the
TMS320C6000 DSP Interrupt Selector Reference Guide
(literature
number SPRU646).