AM1707 Datasheet, PDF (132/198 Pages) Texas Instruments – AM1707 ARM Microprocessor

AM1707
SPRS637 – FEBRUARY 2010
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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
TBPHS active (24)
Phase
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
select
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 6-45. eHRPWM Sub-Modules Showing Critical Internal Signal Interconnections
Table 6-76. eHRPWM Module Control and Status Registers Grouped by Submodule
eHRPWM0
eHRPWM1
eHRPWM2
BYTE ADDRESS BYTE ADDRESS BYTE ADDRESS
ACRONYM
SIZE
(×16)
SHADOW
REGISTER DESCRIPTION
TIME-BASE SUBMODULE REGISTERS
0x01F0 0000
0x01F0 2000
0x01F0 4000
TBCTL
1
No
Time-Base Control Register
0x01F0 0002
0x01F0 0004
0x01F0 2002
0x01F0 2004
0x01F0 4002
TBSTS
1
0x01F0 4004
TBPHSHR
1
No
Time-Base Status Register
No
Extension for HRPWM Phase Register ⁽¹⁾
0x01F0 0006
0x01F0 2006
0x01F0 4006
TBPHS
1
No
Time-Base Phase Register
0x01F0 0008
0x01F0 2008
0x01F0 4008
TBCNT
1
No
Time-Base Counter Register
0x01F0 000A
0x01F0 200A
0x01F0 400A
TBPRD
1
Yes Time-Base Period Register
COUNTER-COMPARE SUBMODULE REGISTER
0x01F0 000E
0x01F0 200E
0x01F0 400E
CMPCTL
1
No
Counter-Compare Control Register
0x01F0 0010
0x01F0 2010
0x01F0 4010
CMPAHR
1
No
Extension for HRPWM Counter-Compare
A Register ⁽¹⁾
0x01F0 0012
0x01F0 2012
0x01F0 4012
CMPA
1
Yes Counter-Compare A Register
0x01F0 0014
0x01F0 2014
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.
132 Peripheral Information and Electrical Specifications
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