Datasheet

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

38.7.29 PWM Stepper Motor Mode Register

Name: PWM_SMMR

Address: 0x400200B0

Access: Read-write

• GCENx: Gray Count ENable

0 = Disable gray count generation on PWML[2*x], PWMH[2*x], PWML[2*x +1], PWMH[2*x +1]

1 = enable gray count generation on PWML[2*x], PWMH[2*x], PWML[2*x +1], PWMH[2*x +1.

• DOWNx: DOWN Count

0 = Up counter.

1 = Down counter.

31 30 29 28 27 26 25 24

––––––––

23 22 21 20 19 18 17 16

– – – – – – DOWN1 DOWN0

15 14 13 12 11 10 9 8

––––––––

76543210

– – – – – – GCEN1 GCEN0