AS3693B

austriami crosyst ems

www.austriamicrosystems.com

Revision 1.21 / 2011-09-30

16 - 32

HSYNC

Shift new data

in PWM – State

maschine

Restart PWM

VSYNC

7.3.2 ASYNC – mode (PWM_MODE = 01)

This PWM is synchronized with Hsync or internal 500KHz clock. The registers are updated with each serial data.

Counter

Reg: M

Compare

R

Reset

Vsync

Hsync

Compare

Reg: P

PWM

PWMINVERT( Register 0x0F )

High time (M) = registers 0h12 to 0h 31

PWM period (P) = register 0h10

Hs ync

P WM

AsyncMode

Repetitive PWM

no Reset

Syncronized on Hsync or

internal

Clock