Data Sheet

ADRF6510

Rev. B | Page 5 of 32

TIMING DIAGRAMS

WRITE BIT

MSB - 2

LSB + 1

LSB

NOTES

1. THE FIRST DATA BIT DETERMINES WHETHER THE PART IS WRITING TO OR READING FROM THE INTERNAL CORNER FREQUENCY

WORD REGISTER. FOR A WRITE OPERATION, THE FIRST BIT SHOULD BEA LOGIC 1. THE CORNER FREQUENCY WORD BIT IS THEN

REGISTERED INTO THE DATA PIN ON CONSECUTIVE RISING EDGES OF THE CLOCK.

CLK

LE

DATA

MSB – 2

MSB – 1

MSB

Figure 2. Write Mode Timing Diagram

DC

DC

READ BIT

DC

DC

DC

LSB + 1

LSB

DATA

SDO

NOTES

1. THE FIRST DATA BIT DETERMINES WHETHER THE PART IS WRITING TO OR READING FROM THE INTERNAL CORNER FREQUENCY WORD

REGISTER. FOR A READ OPERATION, THE FIRST BIT SHOULD BE A LOGIC 0. THE CORNER FREQUENCY WORD BIT IS THEN UPDATED AT

THE SDO PIN ON CONSECUTIVE FALLING EDGES OF THE CLOCK.

MSB – 2

MSB – 1

MSB

CLK

LE

Figure 3. Read Mode Timing Diagram