Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
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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]
Access:
Read/Write 
This register can only be written if the WPEN bit is cleared in th
• 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.
• DOWN: DOWN Count
0: Up counter.
1: Down counter.
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DOWN
GCEN