參數(shù)資料
型號: HSP50214VI
廠商: INTERSIL CORP
元件分類: 通信及網(wǎng)絡
英文描述: Programmable Downconverter
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP120
封裝: MQFP-120
文件頁數(shù): 5/54頁
文件大小: 395K
代理商: HSP50214VI
5
H
I2
Q2
+
I--
atan
AOUT(15:0)
BOUT(15:0)
t
d
d
θ
LEVEL
DETECT
LIMIT
LOOP
FILTER
ERROR
DETECT
NCO
(SYMBOL TRACKING)
MIXER
DECIMATE
FROM 4-32
5TH ORDER
CIC
1 TO 5 HALFBAND FILTER;
DECIMATION UP TO 32
255-TAP
PROGRAMMABLE
FIR FILTER
(DECIMATE UP TO 16)
AGC
RESAMPLER
CARTESIAN
TO
POLAR
DISCRIMINATOR
INTERPOLATE
BY 2/4
HALFBANDS
IN(13:0)
SEROUTA
SEROUTB
C(7:0)
CONTROL
SECTION
OUTPUT SECTION
DISCRIMINATOR SECTION
CIC, HALFBAND FILTER, AND FIR SECTIONS
DIGITAL AGC SECTION
RESAMPLER/INTERPOLATION HALFBAND SECTION
TIMING NCO
INPUT SECTION
LEVEL DETECT SECTION
SYNCHRONIZATION SECTION
CARRIER NCO SECTIONS
COF
SOF
P
F
CLKIN
PROCCLK
COFSYNC
SOFSYNC
A(2:0)
WR
RD
REFCLK
I
S
GAINADJ(2:0)
AGCGNSEL
ENI
(CARRIER TRACKING)
MSYNCI
SYNCOUT
MSYNCO
SYNCIN1
SYNCIN2
MICROPROCESSOR
READ/WRITE
SEL(2:0)
SERCLK
SERSYNC
SEROE
OEAH
OEAL
OEBH
OEBL
INTRRP
C
S
DIFFERENCE
TIMING ERROR
I
Q
AGCOUT
TO OUTPUT FORMATTER
AND MICROPROCESSOR
AGCOUT
A
INTERFACE
NCO
CLKIN
PROCCLK
TO
μ
PROCESSOR
INTERFACE
S
S
63-TAP
PROGRAMMABLE
FIR FILTER
INTRRP
A
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM OF THE HSP50214 PROGRAMMABLE DOWNCONVERTER
O
CHIP
CIRCUITRY
SYNCHRONIZATION
FRONT END
SYNCHRONIZATION
CIRCUITRY
BACK END
SYNCHRONIZATION
CIRCUITRY
P
F
DATARDY
(C
O
= 1;
C
n
= 0)
(C
O
= 1;
C
n
= 0)
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