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參數(shù)資料
| 型號(hào)： | TMP320F28044ZGMS |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Digital Signal Processor |
| 中文描述： | 數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 48/107頁(yè) |
| 文件大?。?/td> | 784K |
| 代理商： | TMP320F28044ZGMS |
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CTR=PRD
TBPRD shadow (16)
TBPRD active (16)
Counter
up/down
(16 bit)
TBCNT
active (16)
TBCTL[CNTLDE]
TBCTL[SWFSYNC]
(software forced sync)
EPWMxSYNCI
CTR=ZERO
CTR=CMPB
Disabled
CTR_Dir
Sync
in/out
select
Mux
TBCTL[SYNCOSEL]
EPWMxSYNCO
TBPHS active (24)
16
8
TBPHSHR (8)
Phase
control
Timebase (TB)
CTR=CMPA
CMPAHR (8)
CMPA active (24)
16
CMPA shadow (24)
Action
qualifier
(AQ)
8
16
Counter compare (CC)
CMPB active (16)
CTR=CMPB
CMPB shadow (16)
EPWMA
EPWMB
Dead
band
(DB)
(PC)
chopper
PWM
zone
(TZ)
Trip
CTR = ZERO
EPWMxAO
EPWMxBO
EPWMxTZINT
TZ1 to TZ6
HiRes PWM (HRPWM)
CTR = PRD
CTR = ZERO
CTR = CMPA
CTR = CMPB
CTR_Dir
Event
trigger
and
interrupt
(ET)
EPWMxINT
EPWMxSOCA
EPWMxSOCB
CTR=ZERO
4.3
Hi-Resolution PWM (HRPWM)
TMS320F28044
Digital Signal Processor
SPRS357B–AUGUST 2006–REVISED MAY 2007
Figure 4-4. ePWM Sub-Modules Showing Critical Internal Signal Interconnections
The HRPWM module offers PWM resolution (time granularity) which is significantly better than what can
be achieved using conventionally derived digital PWM methods. The key points for the HRPWM module
are:
Significantly extends the time resolution capabilities of conventionally derived digital PWM
Typically used when effective PWM resolution falls below ~ 9-10 bits. This occurs at PWM frequencies
greater than ~200 KHz when using a CPU/System clock of 100 MHz.
This capability can be utilized in both duty cycle and phase-shift control methods.
Finer time granularity control or edge positioning is controlled via extensions to the Compare A and
Phase registers of the ePWM module.
HRPWM capabilities are offered only on the A signal path of an ePWM module (i.e., on the EPWMxA
output). EPWMxB output has conventional PWM capabilities.
Peripherals
48
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMS320F28044_07 | Digital Signal Processor |
| TMS320F28044ZGMA | Digital Signal Processor |
| TMS320F28044ZGMQ | Digital Signal Processor |
| TMS320F28044ZGMS | Digital Signal Processor |
| TMX320F28044GGMQ | Digital Signal Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP320F2810GHHA | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIGITAL SIGNAL PROCESSORS |
| TMP320F2810GHHMEP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Digital Signal Processors |
| TMP320F2810GHHS | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIGITAL SIGNAL PROCESSORS |
| TMP320F2810PBKA | 制造商:Texas Instruments 功能描述: |
| TMP320F2810PBKAEP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Digital Signal Processors |
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