MC145162D Ver la hoja de datos (PDF) - Motorola => Freescale

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Fabricante

MC145162D

60 MHz and 85 MHz Universal Programmable Dual PLL Frequency Synthesizers

Motorola => Freescale 

CONTROL REGISTER IDENTIFIER = 1

CONTROL REGISTER DATA

Din

1

MSB

AUX DATA SELECT = 0

CLK

0

TEST

BIT

AUX

DATA

SELECT

REF

OUT

3/ 4

TxPD

RxPD REF PD

ENABLE ENABLE ENABLE

LSB

ENB

NOTE: ENB must be high during the serial transfer.

Figure 12. Programming Format for Control Register (3–Pin Interfacing Scheme)

16–BIT Tx COUNTER

16–BIT Rx COUNTER

Din

DIVIDE RATIO

DIVIDE RATIO

LAST

CLK

CLOCK

ENB

NOTE: ENB must be low during the serial transfer.

Figure 13. Programming Format for Transmit and Receive Counters

(3–Pin Interfacing Scheme)

CONTROL REGISTER IDENTIFIER = 1

CONTROL REGISTER DATA

Din

1

MSB

AUX DATA SELECT = 1

0

TEST

BIT

AUX

DATA

SELECT

REF

OUT

3/ 4

TxPD

ENABLE

RxPD REF PD

ENABLE ENABLE

LSB

CLK

ENB

NOTE: ENB must be high during the serial transfer.

Figure 14. Programming Format for Control Register (4–Pin Interfacing Scheme)

MC145162•MC145162–1

10

MOTOROLA

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