MB15F76UL(2001) Просмотр технического описания (PDF) - Fujitsu

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Компоненты Описание

производитель

MB15F76UL
(Rev.:2001)

Dual Serial Input PLL Frequency Synthesizer

Fujitsu 

MB15F76UL

Jun. 2001

Edition 0.2

n BLOCK DIAGRAM

VCCIF

(4)

GNDI F

(3)

VpI F

(6)

PSIF (5)

Intermittent

mode

control

(IF–PLL)

Prescaler

(IF–PLL)

4/5,8/9

finIF (1)

XfinIF (2)

1/4divider

OSCin(19)

OR

finRF (15)

XfinRF (14)

1/4divider

Prescaler

(RF–PLL)

64/65,

128/129

PSRF (11)

Intermittent

mode

control

(RF–PLL)

3-bit latch

LDS SWIF FCIF

5-bit latch

13-bit latch

Binary 5-bit

Binary 13-bit fpIF

swallow counter programmable

(IF–PLL)

counter(IF–PLL)

Phase

comp.

(IF–PLL)

Charge Current

pump Switch

(IF–PLL)

(7) DoIF

2-bit latch

T1

T2

14-bit latch

Binary 14–bit pro-

grammable ref.

counter(IF–PLL)

1-bit latch

C/P

setting

current

frI F

T1

T2

2-bit latch

Binary 14-bit pro-

grammable ref.

counter(RF–PLL)

14-bit latch

C/P

setting

current

1-bit latch

frR F

Lock

Det.

(IF–PLL)

LDIF

AND

Lock

Det.

(RF–PLL)

Fast

lock

tuning

Selector

LD

frIF

frRF

fpIF

fpRF

(8) LD/fout

LDS SWRF FCRF

3-bit latch

Binary 5-bit

swallow counter

(RF–PLL)

5-bit latch

Binary 13-bit

programmable

counter(RF–PLL)

13-bit latch

Phase Fast

comp. lock

fpRF (RF–PLL) tuning

Charge Current

pump

(RF–PLL)

Switch

(9) DoRF

LE (16)

Schmitt

circuit

Latch selector

Data (17)

Clock (18)

Schmitt

circuit

Schmitt

circuit

CC

NN

12

23-bit shift

register

(20)

GND

(12)

VccRF

(13)

GNDRF

(10)

Vp RF

4

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