參數(shù)資料
型號(hào)： HSP50214VC
廠商： INTERSIL CORP
元件分類(lèi)： 通信及網(wǎng)絡(luò)
英文描述： Programmable Downconverter
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP120
封裝： MQFP-120
文件頁(yè)數(shù)： 49/54頁(yè)
文件大小： 395K
代理商： HSP50214VC
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HSP50214VI 制造商:Rochester Electronics LLC 功能描述:- Bulk
HSP50215 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:DSP Modulator Evaluation Board
HSP50215EVAL 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:DSP Modulator Evaluation Board
HSP50215VC 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Digital UpConverter
HSP50215VI 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Digital UpConverter
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