Rainbow Electronics W90P710CDG User Manual
Page 492

W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 493 -
Revision B2
Dead zone generator operation
PWM_out1
PWM_out1_n
PWM_out1_DZ
PWM_out1_n_DZ
Dead zone interval
6.20.4 PWM Timer Start procedure
1. Setup clock selector (PWM_CSR)
2. Setup prescaler & dead zone interval (PWM_PPR)
3. Setup inverter on/off, dead zone generator on/off,
toggle mode /one-shot mode, and PWM timer
off. (PWM_PCR)
4. Setup comparator register (PWM_CMR)
5. Setup counter register (PWM_CNR)
6. Setup interrupt enable register (PWM_PIER)
7. Enable PWM timer (PWM_PCR)
6.20.5 PWM Timer Stop procedure
Method 1 : Set 16-bit down counter(PWM_CNR) as 0, and monitor PWM_PDR. When PWM_PDR
reaches to 0, disable PWM timer (PWM_PCR). (Recommended)
Method 2 : Set 16-bit down counter(PWM_CNR) as 0. When interrupt request happen, disable PWM
timer (PWM_PCR). (Recommended)
Method 3 : Disable PWM timer directly (PWM_PCR). (Not recommended)
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