SAM3N00A Atmel Corporation, SAM3N00A Datasheet - Page 611

• Manufacturer Part Number: SAM3N00A
• Manufacturer: Atmel Corporation

31.7.7
Name:
Addresses:
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.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
31
23
15
–
–
–
7
–
TC QDEC Interrupt Status Register
30
22
14
TC_QISR
0x400100D4 (0), 0x400140D4 (1)
Read-only
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
QERR
26
18
10
–
–
–
2
DIRCHG
25
17
–
–
9
–
1
SAM3N
SAM3N
DIR
IDX
24
16
–
–
8
0
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