Datasheet

AIO
MUX
COMP x A
COMP xB
COMP x
+
DACx
Wrapper
DAC
Core
10-Bit
+
-
COMP
COMPxOUT
GPIO
MUX
TZ1/2/3
ePWM
TMS320F28027, TMS320F28026, TMS320F28023, TMS320F28022
TMS320F28021, TMS320F28020, TMS320F280200
www.ti.com SPRS523J –NOVEMBER 2008–REVISED OCTOBER 2013
4.1.3 Comparator Block
Figure 4-4 shows the interaction of the Comparator modules with the rest of the system.
Figure 4-4. Comparator Block Diagram
Table 4-3. Comparator Control Registers
COMP1 COMP2 SIZE EALLOW
REGISTER NAME DESCRIPTION
ADDRESS ADDRESS
(1)
(x16) PROTECTED
COMPCTL 0x6400 0x6420 1 Yes Comparator Control Register
COMPSTS 0x6402 0x6422 1 No Comparator Status Register
DACCTL 0x6404 0x6424 1 Yes DAC Control Register
DACVAL 0x6406 0x6426 1 No DAC Value Register
RAMPMAXREF_ACTIVE 0x6408 0x6428 1 No Ramp Generator Maximum
Reference (Active) Register
RAMPMAXREF_SHDW 0x640A 0x642A 1 No Ramp Generator Maximum
Reference (Shadow) Register
RAMPDECVAL_ACTIVE 0x640C 0x642C 1 No Ramp Generator Decrement Value
(Active) Register
RAMPDECVAL_SHDW 0x640E 0x642E 1 No Ramp Generator Decrement Value
(Shadow) Register
RAMPSTS 0x6410 0x6430 1 No Ramp Generator Status Register
(1) Comparator 2 is only available on the 48-pin PT package.
Copyright © 2008–2013, Texas Instruments Incorporated Peripherals 53
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TMS320F28020 TMS320F280200