SM39A16M1
8-Bit Micro-controller
16KB with ISP Flash
& 1K+256B RAM embedded
13. Pulse Width Modulation (PWM)
PWM module features:
Eight-channel (four-pair) PWM output pins.
14-bit resolution.
Center and Edge Alignment output mode.
Dead time generator.
PWM and Special Event Interrupt Trigger.
Output Override Function for motor control.
Overdrive current protect for the fault (FLTA and FLTB)
There under is the working module of the PWM, As shown in Fig. 13-1
PWM Pair3
Generator
DUTY
PWM7
PWM6
PWM_SYNC
TBCounter
Comparator
Period Reg.
Pair 3
Dead Time Generator 3
Override Logic
PWM Pair2
Generator
DUTY
PWM5
PWM4
Pair 2
Dead Time Generator 2
Override Logic
Output
Driver
Block
Period(SFR)
PWM Pair1
Generator
DUTY
PWM3
PWM2
Pair 1
Dead Time Generator 1
Override Logic
SEVTCMP
Comparator
PWM Pair0
Generator
DUTY
PWM1
Pair 0
Dead Time Generator 0
Override Logic
PWM0
nFLTA
nFLTB
Special Event Interrupt
Special Event
Postscaler
SEVTDIR
PWMBTDIR
SEVTIF
Special Event Trigger
Special Event
Interrupt Enable
PWM Interrupt
PWM Time
Base Postscaler
PWMPIF
PWM Period
Interrupt Enable
Fig. 13-1: Working module of the PWM
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M069 Ver C SM39A16M1 7/31/2013
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SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
