Datasheet

693
AT32UC3A
32.7.10 PWM Channel Mode Register
Register Name: CMRx
Access Type: Read/Write
• CPRE: Channel Pre-scaler
• 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
– – – – – CPD CPOL CALG
7 6 5 4 3 2 1 0
– – – – CPRE
CPRE Channel Pre-scaler
0 0 0 0 MCK
0 0 0 1 MCK/2
0 0 1 0 MCK/4
0 0 1 1 MCK/8
0 1 0 0 MCK/16
0 1 0 1 MCK/32
0 1 1 0 MCK/64
0 1 1 1 MCK/128
1 0 0 0 MCK/256
1 0 0 1 MCK/512
1 0 1 0 MCK/1024
1 0 1 1 CLKA
1 1 0 0 CLKB
Other Reserved
32058K
AVR32-01/12