Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
1042
41.7.9 PWM Channel Mode Register
Name: PWM_CMR[0..3]
Address: 0xFFFB8200 [0], 0xFFFB8220 [1], 0xFFFB8240 [2], 0xFFFB8260 [3]
Access: Read/Write
• CPRE: Channel Prescaler
• CALG: Channel Alignment
0: The period is left aligned.
1: The period is center aligned.
• CPOL: Channel Polarity
0: The output waveform starts at a low level.
1: The output waveform starts at a high level.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
–––––CPDCPOLCALG
76543210
–––– CPRE
CPRE Channel Prescaler
0000MCK
0001MCK/2
0010MCK/4
0011MCK/8
0100MCK/16
0101MCK/32
0110MCK/64
0111MCK/128
1000MCK/256
1001MCK/512
1010MCK/1024
1011CLKA
1100CLKB
Other Reserved