SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 899

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

36.7.7
Name:
Address:
Access:
• IDX: InDeX
0: no Index input change since the last read of TC_QISR.
1: the IDX input has change since the last read of TC_QISR.
• DIRCHG: DIRection CHanGe
0: no change on rotation direction since the last read of TC_QISR.
1: the rotation direction changed since the last read of TC_QISR.
• QERR: Quadrature ERRor
0: no quadrature error since the last read of TC_QISR.
1: A quadrature error occurred since the last read of TC_QISR.
• DIR: Direction
Returns an image of the actual rotation direction.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
–
–
–
7
–
TC QDEC Interrupt Status Register
TC_QISR
0x400800D4 (0), 0x400840D4 (1), 0x400880D4 (2)
Read-only
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
QERR
26
18
10
–
–
–
2
DIRCHG
25
17
–
–
9
–
1
SAM3X/A
SAM3X/A
DIR
IDX
24
16
–
–
8
0
899
899