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參數(shù)資料
| 型號： | HSP50214 |
| 廠商： | Intersil Corporation |
| 英文描述： | Programmable Downconverter |
| 中文描述： | 可編程變頻器 |
| 文件頁數(shù)： | 49/54頁 |
| 文件大?。?/td> | 395K |
| 代理商： | HSP50214 |
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49
CONTROL WORD 25: COUNTER AND ACCUMULATOR RESET (SYNCHRONIZED TO BOTH CLKIN AND PROCCLK)
BIT
POSITION
FUNCTION
DESCRIPTION
N/A
Counter and
Accumulator Reset
A write to this address initializes the counters and accumulators for testing. Items that are reset are:
Carrier NCO
1. Loads phase offset <9:0> into register to be used for adding to accumulator.
2. Enables feedback on the accumulator.
CIC Filter
1. Resets the decimation counter.
2. Clears enables to CIC.
3. Clears accumulators in CIC.
4. Clears enable leaving CIC.
Halfband Filters
1. Resets compute counter in Halfband control.
2. Resets read address for all Halfband Filters.
3. Resets write address for all Halfband Filters.
4. Clears input available strobe.
5. Resets Halfband control logic.
255 Tap FIR
1. Resets FIR read and write address pointers.
2. Zero’s coefficient read address.
AGC Loop
1. Clears accumulator in loop filter.
Resampler and Interpolation Halfband Filters.
1. Resets counters for Halfband addresses for writing.
2. Resets output enable.
3. Reset controller for Resampler.
Timing NCO
1. Initializes counters for inserting extra pulses when interpolating halfbands are enabled.
Discriminator
1. Resets read and write address pointers.
2. Zero’s coefficient read address.
Cartesian to Polar Coordinate Counter.
1. Resets Cordic counters (stops current computation).
FIFO Control
1. Resets decoder for controlling FIFO.
2. Resets write address for FIFO.
3. Clears RD and INTRRPT.
4. Resets “depth” and “full” flags.
5. Sets the empty flag.
6. Sets the read address to “7”, write address to “0”.
Snapshot Control
1. Zeros the group number.
2. Load interval counter.
3. Resets write address and read address for FIFO.
Output Serial Control
1. Reloads shift counter.
2. Reloads “Number of Words” counter.
3. Reloads counter for sync (for early or late).
4. Reloads counter for dividing down SERCLK.
HSP50214
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HSP50215VC | Digital UpConverter |
| HSP50215VI | Digital UpConverter |
| HSP50215EVAL | DSP Modulator Evaluation Board |
| HSP50215 | Digital UpConverter(數(shù)字上變頻器) |
| HSP50216 | Four-Channel Programmable Digital DownConverter(四通道可編程數(shù)字下變頻器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HSP50214A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Programmable Downconverter |
| HSP50214AVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HSP50214AVI | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Programmable Downconverter |
| HSP50214B | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Programmable Downconverter |
| HSP50214B_07 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Programmable Downconverter |
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