Техническая Спецификация для Atmel SAM4S Xplained Pro Starter and Evaluation Kit ATSAM4S-XPRO ATSAM4S-XPRO
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Модели
ATSAM4S-XPRO
859
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
37.7.4 TC Stepper Motor Mode Register
Name:
TC_SMMRx [x=0..2]
Address:
0x40010008 (0)[0], 0x40010048 (0)[1], 0x40010088 (0)[2]
0x40014008 (1)[0], 0x40014048 (1)[1], 0x40014088 (1)[2]
0x40014008 (1)[0], 0x40014048 (1)[1], 0x40014088 (1)[2]
Access:
Read/Write
This register can only be written if the WPEN bit is cleared in the
• GCEN: Gray Count Enable
0: TIOAx [x=0..2] and TIOBx [x=0..2] are driven by internal counter of channel x.
1: TIOAx [x=0..2] and TIOBx [x=0..2] are driven by a 2-bit gray counter.
1: TIOAx [x=0..2] and TIOBx [x=0..2] are driven by a 2-bit gray counter.
• DOWN: DOWN Count
0: Up counter.
1: Down counter.
1: Down counter.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
DOWN
GCEN