AM1705DPTPA3 Datasheet, PDF (121/164 Pages) Texas Instruments – AM1705 ARM Microprocessor

AM1705
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SPRS657D – FEBRUARY 2010 – REVISED MARCH 2013
Time−base (TB)
TBPRD shadow (16)
TBPRD active (16)
CTR=PRD
TBCTL[CNTLDE]
Counter
up/down
(16 bit)
TBCNT
active (16)
CTR=ZERO
CTR_Dir
16
TBPHSHR (8)
8
Phase
TBPHS active (24) _control
Counter compare (CC)
CTR=CMPA
CMPAHR (8)
16
8
CMPA active (24)
CMPA shadow (24)
Action
qualifier
(AQ)
EPWMA
CTR=ZERO
CTR=CMPB
Disabled
Sync
in/out
control
Mux
TBCTL[SYNCOSEL]
TBCTL[SWFSYNC]
(software forced sync)
CTR = PRD
CTR = ZERO
CTR = CMPA
CTR = CMPB
CTR_Dir
Event
trigger
and
interrupt
(ET)
HiRes PWM (HRPWM)
EPWMSYNCO
EPWMSYNCI
EPWMxINT
EPWMxA
CTR=CMPB
16
CMPB active (16)
CMPB shadow (16)
EPWMB
Dead
band
(DB)
PWM
chopper
(PC)
CTR = ZERO
Trip
zone
(TZ)
EPWMxB
EPWMxTZINT
TZ
Figure 5-40. eHRPWM Sub-Modules Showing Critical Internal Signal Interconnections
Table 5-71. eHRPWM Module Control and Status Registers Grouped by Submodule
eHRPWM0
BYTE
ADDRESS
0x01F0 0000
0x01F0 0002
0x01F0 0004
0x01F0 0006
0x01F0 0008
0x01F0 000A
0x01F0 000E
0x01F0 0010
0x01F0 0012
0x01F0 0014
eHRPWM1
BYTE
ADDRESS
0x01F0 2000
0x01F0 2002
0x01F0 2004
0x01F0 2006
0x01F0 2008
0x01F0 200A
0x01F0 200E
0x01F0 2010
0x01F0 2012
0x01F0 2014
eHRPWM2
BYTE
ADDRESS
ACRONYM
SIZE
(×16)
SHADOW
REGISTER DESCRIPTION
TIME-BASE SUBMODULE REGISTERS
0x01F0 4000
TBCTL
1
No Time-Base Control Register
0x01F0 4002
TBSTS
1
0x01F0 4004 TBPHSHR
1
No Time-Base Status Register
No
Extension for HRPWM Phase Register ⁽¹⁾
0x01F0 4006 TBPHS
1
No Time-Base Phase Register
0x01F0 4008 TBCNT
1
No Time-Base Counter Register
0x01F0 400A TBPRD
1
Yes Time-Base Period Register
COUNTER-COMPARE SUBMODULE REGISTER
0x01F0 400E CMPCTL
1
0x01F0 4010 CMPAHR
1
No Counter-Compare Control Register
No
Extension for HRPWM Counter-Compare A Register ⁽¹⁾
0x01F0 4012
CMPA
1
Yes Counter-Compare A Register
0x01F0 4014
CMPB
1
Yes Counter-Compare B Register
ACTION-QUALIFIER SUBMODULE REGISTER
(1) These registers are only available on eHRPWM instances that include the high-resolution PWM (HRPWM) extension; otherwise, these
locations are reserved.
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Peripheral Information and Electrical Specifications 121
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