MB15F04 Datasheet, PDF (4/23 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer

MB15F04
s BLOCK DIAGRAM
VccTX GNDTX
5
3
8
PSTX
finTX 4
XfinTX 6
Intermittent
mode
control
(TX–PLL)
Prescaler
(TX–PLL)
64/65,
128/129
2
OSCin
OR
finRX 17
15
XfinRF
PSRF 13
Prescaler
(RX–PLL)
64/65,
128/129
Intermittent
mode
control
(RX–PLL)
3-bit latch
LDS SWTX FCTX
7-bit latch
11-bit latch
Binary 7-bit
Binary 11-bit ^fpTX
swallow counter programmable
(TX–PLL)
counter(TX–PLL)
Phase
comp.
(TX–PLL)
Charge _Super
pump _charger
(TX–PLL)
9 DoTX
2-bit latch
T1 T2
14-bit latch
Binary 14–bit pro- frTX
grammable ref.
counter(TX–PLL)
Lock
Det.
(TX–PLL)
LDTX
Analog
switch
10 BSTX
7 BSCTX
frRX
Binary 14-bit pro-
T1 T2
grammable ref.
counter(RX–PLL)
2-bit latch
14-bit latch
AND
LDRX
Lock
Det.
(RX–PLL)
Selector
LD
frTX
frRX
fpTX
fpRX
14 ^LD/fout
LDS SWRX FCRX
3-bit latch
Binary 7-bit Binary 11-bit
swallow counter programmable
(RX–PLL)
counter(RX–PLL)
Phase
comp.
(RX–PLL)
fpRX
7-bit latch
11-bit latch
Charge
pump
(RX–PLL)
Super
charger
12 DoRX
LE 18
Schmitt
circuit
Latch selector
Data 19
Clock 20
Schmitt
circuit
Schmitt
circuit
CC
NN
12
23-bit shift
register
16
VCCRX
1
GNDRX1
11
GNDRX2
4