SPRS292A − OCTOBER 2005 − REVISED NOVEMBER 2005
interrupt sources and interrupt selector
The C67x DSP core on the device supports 16 prioritized interrupts, which are listed in Table 20. The highest priority interrupt is INT_00 (dedicated to RESET) while the lowest priority is INT_15. The first four interrupts are
| Table 20. DSP Interrupts |
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| Table 21. Interrupt Selector | |||
DSP | INTERRUPT | DEFAULT | DEFAULT |
| INTERRUPT |
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SELECTOR | SELECTOR |
| SELECTOR | INTERRUPT |
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INTERRUPT | INTERRUPT |
| MODULE | ||||
CONTROL | VALUE |
| VALUE | EVENT | |||
NUMBER | EVENT |
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REGISTER | (BINARY) |
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INT_00 | − | − | RESET |
| 00000 | DSPINT | HPI |
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INT_01 | − | − | NMI |
| 00001 | TINT0 | Timer 0 |
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INT_02 | − | − | Reserved |
| 00010 | TINT1 | Timer 1 |
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INT_03 | − | − | Reserved |
| 00011 | SDINT | EMIF |
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INT_04 | MUXL[4:0] | 00100 | GPINT4† |
| 00100 | GPINT4† | GPIO |
INT_05 | MUXL[9:5] | 00101 | GPINT5† |
| 00101 | GPINT5† | GPIO |
INT_06 | MUXL[14:10] | 00110 | GPINT6† |
| 00110 | GPINT6† | GPIO |
INT_07 | MUXL[20:16] | 00111 | GPINT7† |
| 00111 | GPINT7† | GPIO |
INT_08 | MUXL[25:21] | 01000 | EDMAINT |
| 01000 | EDMAINT | EDMA |
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INT_09 | MUXL[30:26] | 01001 | EMUDTDMA |
| 01001 | EMUDTDMA | Emulation |
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INT_10 | MUXH[4:0] | 00011 | SDINT |
| 01010 | EMURTDXRX | Emulation |
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INT_11 | MUXH[9:5] | 01010 | EMURTDXRX |
| 01011 | EMURTDXTX | Emulation |
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INT_12 | MUXH[14:10] | 01011 | EMURTDXTX |
| 01100 | XINT0 | McBSP0 |
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INT_13 | MUXH[20:16] | 00000 | DSPINT |
| 01101 | RINT0 | McBSP0 |
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INT_14 | MUXH[25:21] | 00001 | TINT0 |
| 01110 | XINT1 | McBSP1 |
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INT_15 | MUXH[30:26] | 00010 | TINT1 |
| 01111 | RINT1 | McBSP1 |
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| 10000 | GPINT0 | GPIO |
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†Interrupt Events GPINT4, GPINT5, GPINT6, and GPINT7 are outputs from the GPIO module (GP). They originate from the device pins GP[4](EXT_INT4), GP[5](EXT_INT5), GP[6](EXT_INT6), and GP[7](EXT_INT7). These pins can be used as
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