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參數(shù)資料
| 型號： | HSP50214BVC |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Programmable Downconverter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP120 |
| 文件頁數(shù)： | 40/60頁 |
| 文件大小： | 573K |
| 代理商： | HSP50214BVC |
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FIFO Operation via 8-Bit
μ
Processor
Interface
The Buffer RAM Output may also be accessed via the 8-bit
microprocessor interface C(7:0). Figure 41 shows the
conceptual configuration of the 8-bit
μ
processor interface.
Control Word 20, Bit 24 must be set to 0 in order to obtain
Buffer RAM data to this output. The Microprocessor Read
Section describes how to read the data from each sample
out of the C(7:0) interface.
Recall that INTRRP stays low for 8 PROCCLK cycles. The
FIFO can be read before the INTRRP signal goes low; the
number of samples in the FIFO must be monitored by the user.
The timing relationship of the INTRRP to the snapshot data is
shown in Figure 42.
The read pointer of the FIFO is incremented when Control
Word 23 is written to. The data cannot be read from the
next sample until 4 PROCCLKs after the Buffer RAM
pointer has been incremented. Control Word 22 is used to
reset the Read and Write pointers of the Buffer RAM output
to the first sample to 000 and 007 for write and read
respectively.
FIGURE 40. FIFO REGISTER OPERATION
READ
WRITE
FIFO
DEPTH
WRITE
READ
READ
WRITE
WRITE
READ
READY
A: FIFO DEPTH IS (WRITE - READ)
B: FIFO FULL IS WHEN (WRITE - READ) = 7
C: FIFO EMPTY IS WHEN (WRITE - READ) = 1
D: FIFO READY IS WHEN (WRITE - READ) > DEPTH
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HSP50214B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HSP50214BVI | Programmable Downconverter |
| HT84 | ADSL Coupling Transformers |
| HT84-00594 | ADSL Coupling Transformers |
| HT8400594S | ADSL Coupling Transformers |
| HT84-00595 | ADSL Coupling Transformers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HSP50214BVCZ | 功能描述:上下轉(zhuǎn)換器 120L MQFP COMTEMP 14-BIT PROG DWNCNVRT RoHS:否 制造商:Texas Instruments 產(chǎn)品:Down Converters 射頻:52 MHz to 78 MHz 中頻:300 MHz LO頻率: 功率增益: P1dB: 工作電源電壓:1.8 V, 3.3 V 工作電源電流:120 mA 最大功率耗散:1 W 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-128 |
| HSP50214BVI | 功能描述:上下轉(zhuǎn)換器 120L MQFP INDTEMP 14-BIT PROGRAMMABLE DOWNCONVERTER 65MSPS RoHS:否 制造商:Texas Instruments 產(chǎn)品:Down Converters 射頻:52 MHz to 78 MHz 中頻:300 MHz LO頻率: 功率增益: P1dB: 工作電源電壓:1.8 V, 3.3 V 工作電源電流:120 mA 最大功率耗散:1 W 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-128 |
| HSP50214BVIZ | 功能描述:上下轉(zhuǎn)換器 120L MQFP INDTEMP 14-BIT PROG DWNCNVRT RoHS:否 制造商:Texas Instruments 產(chǎn)品:Down Converters 射頻:52 MHz to 78 MHz 中頻:300 MHz LO頻率: 功率增益: P1dB: 工作電源電壓:1.8 V, 3.3 V 工作電源電流:120 mA 最大功率耗散:1 W 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-128 |
| HSP50214VC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HSP50214VI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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