參數(shù)資料
型號(hào): HSP50214VC
廠商: INTERSIL CORP
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
封裝: MQFP-120
文件頁(yè)數(shù): 46/54頁(yè)
文件大?。?/td> 395K
代理商: HSP50214VC
46
CONTROL WORD 18: TIMING ERROR PRELOADS (SYNCHRONIZED TO PROCCLK)
BIT
POSITION
FUNCTION
DESCRIPTION
31-28
Reserved
Reserved.
27-16
NCO Divide
The Resampler NCO output is divided down by the value loaded into this register plus 1. Load
with a value that is one less than the desired period. Bit 27 is the MSB.
11-0
Reference Divide
The reference clock is divided down by the value loaded into this register plus 1. Load with a
value that is one less than the desired period. Bit 27 is the MSB. A minimum preload of “I” is
required.
CONTROL WORD 19: SERIAL OUTPUT ORDER (SYNCHRONIZED TO PROCCLK)
BIT
POSITION
FUNCTION
DESCRIPTION
31
Reserved
Reserved.
30-28
Data Source for
SEROUTA
Serial Output A source. The serial data source is selected using Table 12 (see Output Section).
27-25
Data Source for
SEROUTB
Serial Output B source. The serial data source is selected using Table 12 (see Output Section).
24-21
Number of Serial
Word Links in a
Chain
This parameter determines the number of SERSYNC pulses generated. It can be set from 1 to
7. If this parameter matches the number of serial words that are linked together to form a serial
output chain, then there will be a sync pulse for every word in the serial output. In applications
where a processor is receiving the serial data, it may be desirable to have a single SERSYNC
pulse for the whole serial output chain, instead of a SERSYNC for each word in the data chain.
The processor then parses out the various data words. As an example, if the I and Q are
chained together and a single SERSYNC pulse is generated for this serial output chain, no am-
biguity exists in the processor about which two data samples (one from I and one from Q) are
related.
20-18
Link Following I Data
The serial data word, or link, following the I data word is selected using Table 12
(see Output Section).
17-15
Link Following Q
Data
The serial data word, or link, following the Q data word is selected using Table 12
(see Output Section).
14-12
Link Following
Magnitude Data
The serial data word, or link, following the MAG data word is selected using Table 12
(see Output Section).
11-9
Link Following
Phase Data
The serial data word, or link, following the PHAS data word is selected using Table 12
(see Output Section).
8-6
Link Following
Frequency Data
The serial data word, or link, following the FREQ data word is selected using Table 12
(see Output Section).
5-3
Link Following AGC
Level Data
The serial data word, or link, following the AGC data word is selected using Table 12
(see Output Section).
2-0
Link Following Timing
Error Data
The serial data word, or link, following the TIMERR data word is selected using Table 12
(see Output Section).
HSP50214
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