HSP3824 データシートの表示（PDF） - Harris Semiconductor
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HSP3824 Datasheet PDF : 41 Pages
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HSP3824
VDD (ANALOG)
(10, 18, 20)
GND (ANALOG)
(11, 15, 19)
VDD (DIGITAL)
(7, 21, 29, 42)
GND (DIGITAL)
(6, 22, 31, 41)
IIN (12)
QIN (13)
REF
2V
1.75V
(MAX)
0.25V
(MIN)
VREFP (16)
VREFN (17)
AGC (26)
RSSI (14)
ANTSEL (27)
IOUT (48)
QOUT (47)
VR3+
3-BIT
A/D
3
PN CODE
11 TO 16-BIT
3-BIT
A/D 3
VR3-
A/D REFERENCE
AND
LEVEL ADJUST.
RSSI
REF
6-BIT
A/D
ANALOG
DE-SPREADER/ACQUISITION
MF CORRELATOR
11 TO 16-BIT
8
MF CORRELATOR
11 TO 16-BIT
8
MAG. /
PHASE
AND
TIMING
DISTRIB.
8
BIT
SYNC
PHASE
ROTATE
PSK
DEMOD
DIFF
DECODER
CLEAR CHANNEL
ASSESSMENT/
SIGNAL QUALITY
NCO
PHASE
ERROR
LEAD
/LAG
FILTER
d(t)
Z -1
d(t-1)
SIGNAL
QUALITY
AND
RSSI
DPSK DEMOD
AND AFC
XOR
XOR
XOR
DPSK MODULATOR
I CLK
DIFFERENTIAL
ENCODER
b(t) Z -1 b(t-1)
XOR
Q
MUX CLK
FOR DQPSK
I CH ONLY FOR DBPSK
RX_DATA
DESCRAMBLER
CODE
TX_DATA
SCRAMBLER
(36) RXCLK
(32) CCA
(33) RX_PE
(35) RXD
(34) MD_RDY
(5) TX_RDY
(4) TXCLK
(3) TXD
(2) TX_PE
PN GENERATOR
CHIP RATE
SPREADER
PN CODE
11 TO 16-BIT
TIMING
GENERATOR
MCLK
TEST PORT
(25) SD
(24) SCLK
(23) AS
(8) R/W
(9) CS
(28)
RESET
(30)
MCLK
(1) (37) (38) (39) (40) (43) (44) (45) (46)
TEST_CK
FIGURE 1. DSSS BASEBAND PROCESSOR
6
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