Freescale Semiconductor MC68HC908MR32 - Manual (Page 128)

Pulse-Width Modulator for Motor Control (PWMMC)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
128 Freescale Semiconductor
Figure 12-14. Dead-Time Generators
FAULT
POLA
RIT
Y
/OUT
PUT DRIV
E
PWMGEN<1:6>
PWMPAIR12
PWMPAIR34
PWMPAIR56
DEAD
-TIME
TOP/BOTT
OM
GENERA
TION
POSTDT (TOP)
T
O
P/BOT
T
OM
GE
NERATION
TOP/
BOTTOM
GENERAT
ION
TOP
BOTTOM
TOP
BOTTOM
TOP
BOTTOM
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
6
MUX
PWM (TOP)
OUTX
SELECT
PREDT (TOP)
MUX
PWM (TOP)
OUTX
SELECT
PREDT (TOP)
MUX
PWM (TOP)
OUTX
SELECT
PREDT (TOP)
DEAD-TIME
DEAD-TIME
POSTDT (TOP)
DEAD-TIME
DEAD-TIME
POSTDT (TOP)
DEAD-TIME
(TOP)
(TOP)
(TOP)
(PWM1)
(PWM2)
(PWM3)
(PWM4)
(PWM5)
(PWM6)
OUTPUT CONTROL
OUT
1
OUT
3
OUT
5
OUT
C
TL
OUT2
OUT4
OUT6
(OUTCTL)
CURRENT SENSING PWM GENE
RATOR