TMS320F28035_13 Datasheet, PDF (62/157 Pages) Texas Instruments – Piccolo Microcontrollers

TMS320F28030, TMS320F28031, TMS320F28032
TMS320F28033, TMS320F28034, TMS320F28035
SPRS584I – APRIL 2009 – REVISED JULY 2012
4.2.3 Comparator Block
Figure 4-5 shows the interaction of the Comparator modules with the rest of the system.
COMP x A
COMP x B
AIO
MUX
+
COMP
-
COMP x
+
DAC x
Wrapper
GPIO TZ1/2/3
MUX
DAC
Core
10-Bit
COMPxOUT
ePWM
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REGISTER
NAME
COMPCTL
COMPSTS
DACCTL
DACVAL
RAMPMAXREF_
ACTIVE
RAMPMAXREF_
SHDW
RAMPDECVAL_
ACTIVE
RAMPDECVAL_
SHDW
RAMPSTS
COMP1
ADDRESS
0x6400
0x6402
0x6404
0x6406
0x6408
0x640A
0x640C
0x640E
0x6410
Figure 4-5. Comparator Block Diagram
Table 4-5. Comparator Control Registers
COMP2
ADDRESS
0x6420
0x6422
0x6424
0x6426
0x6428
COMP3
ADDRESS
0x6440
0x6442
0x6444
0x6446
0x6448
SIZE
(x16)
1
1
1
1
1
EALLOW
PROTECTED
Yes
No
Yes
No
No
0x642A
0x644A
1
No
0x642C
0x644C
1
No
0x642E
0x644E
1
No
0x6430
0x6450
1
No
DESCRIPTION
Comparator Control Register
Comparator Status Register
DAC Control Register
DAC Value Register
Ramp Generator Maximum Reference
(Active) Register
Ramp Generator Maximum Reference
(Shadow) Register
Ramp Generator Decrement Value (Active)
Register
Ramp Generator Decrement Value
(Shadow) Register
Ramp Generator Status Register
62
Peripherals
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TMS320F28035