Datasheet

174
7734Q–AVR–02/12
AT90PWM81/161
13.23.7 PCTL0 - PSCR Control Register
• Bit 7:6 – PPRE01:0 : PSCR Prescaler Select
This two bits select the PSCR input clock division factor. All generated waveform will be modified
by this factor.
Bit 7 6543210
PPRE01 PPRE00 PBFM01 PAOC0B PAOC0A PBFM00 PCCYC0 PRUN0 PCTL0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
Table 13-12. PSCR prescaler selection.
PPRE01 PPRE00 Description
0 0 No divider on PSCR input clock
0 1 Divide the PSCR input clock by 4
1 0 Divide the PSCR input clock by 32
1 1 Divide the PSCR clock by 256