Texas Instruments TMS320F2837 D Series

ePWM
TMS320F2837xD Microcontroller Workshop - Control Peripherals 7 - 35
DCBLCOMPSEL
15 - 12 11 - 8
7 - 4 3 - 0
DCBHCOMPSEL
DCALCOMPSEL DCAHCOMPSEL
Digital Compare B
Low Input Source Select
Digital Compare B
High Input Source Select
Digital Compare A
Low Input Source Select
Digital Compare A
High Input Source Select
ePWM Digital Compare Trip Select
Register
EPwmxRegs.DCTRIPSEL
0000 = TRIPIN1 & TZ1
0100 = TRIPIN5
1000 = TRIPIN9
1100 = reserved
0001 = TRIPIN2 & TZ2
0101 = TRIPIN6
1001 = TRIPIN10
1101 = TRIPIN14
0010 = TRIPIN3 & TZ3
0110 = TRIPIN7
1010 = TRIPIN11
1110 = TRIPIN15
0011
= TRIPIN4
0111 = TRIPIN8
1011 = TRIPIN12
1111 = TRIP Combo
2 - 015 - 12
reserved
5 - 3
DCBEVT2 DCBEVT1 DCAEVT2 DCAEVT1
8 - 611 - 9
000 = event disable
001 = DCyH  low, DCyL  don’t care
010 = DCyH  high, DCyL  don’t care
011 = DCyL  low, DCyH  don’t care
100 = DCyL  high, DCyH  don’t care
101 = DCyL  high, DCyH  low
11x = reserved
where y = A or B
Digital Compare Output A
Event 2/1 Select
Digital Compare Output B
Event 2/1 Select
ePWM Trip-Zone Digital Compare Event
Select Register
EPwmxRegs.TZDCSEL