Datasheet

903
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
36.7.15 TC QDEC Interrupt Enable Register
Name: TC_QIER
Address: 0x400800C8 (0), 0x400840C8 (1), 0x400880C8 (2)
Access: Write-only
• IDX: Index
0: No effect.
1: Enables the interrupt when a rising edge occurs on IDX input.
• DIRCHG: Direction Change
0: No effect.
1: Enables the interrupt when a change on rotation direction is detected.
• QERR: Quadrature Error
0: No effect.
1: Enables the interrupt when a quadrature error occurs on PHA, PHB.
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76543210
–––––QERRDIRCHGIDX