UMA1016XT Datasheet, PDF (7/16 Pages) NXP Semiconductors – Frequency synthesizer for radio communication equipment

DATA
D
Q
FLIPFLOP
CK
D
Q
FLIPFLOP
CK
CK
PB0
EN
D
Q
FLIPFLOP
CK
End_Count_CK
Not_End_Count
Tx / Rx
D
Q
LATCH
EN
D
Q
FLIPFLOP
CK
D
Q
LATCH
EN
D
Q
LATCH
EN
MUX
R
OUT
SEL _B
Bit
0
D
Q
FLIPFLOP
CK
D
Q
FLIPFLOP
CK
D
Q
LATCH
EN
D
Q
LATCH
EN
D
Q
LATCH
EN
MUX
R
OUT
SEL _B
D
Q
LATCH
EN
MUX
R
OUT
SEL _B
Bit
Bit
1
2
main divider coefficient
programming shift
register
DATA out
Shift CK
D
Q
LATCH
EN
transmit
frequency
latch
Tx Ld
D
Q
LATCH
EN
receive
frequency
latch
Rx Ld
MUX
R
OUT
SEL _B
coefficient
select
multiplexer
Select
MGA195
Bit
3
Fig.4 Simplified interface logic diagram.