AD9957SLASHPCBZ datasheet(3/60 Pages) AD

3 / 60 page

AD9957

Rev. 0 | Page 3 of 60

Serial I/O Port Pin Descriptions ...............................................42

SCLK—Serial Clock................................................................42

CS—Chip Select Bar ...............................................................42

SDIO—Serial Data Input/Output .........................................42

SDO—Serial Data Out ...........................................................42

I/O_RESET—Input/Output Reset ........................................42

I/O_UPDATE—Input/Output Update ................................43

Serial I/O Timing Diagrams ......................................................43

MSB/LSB Transfers .....................................................................43

Control Function Register 1 (CFR1) ....................................50

Control Function Register 2 (CFR2) ....................................51

Control Function Register 3 (CFR3) ....................................52

Auxiliary DAC Control Register...........................................52

I/O Update Rate Register.......................................................53

RAM Segment Register 0.......................................................53

RAM Segment Register 1.......................................................53

Amplitude Scale Factor Register (ASF) ...............................53

Multichip Sync Register .........................................................54

Profile Registers...........................................................................55

Profile<0:7> Register—Single

Tone......................................55

Profile<0:7> Register—QDUC .............................................55

RAM Register ..........................................................................55

GPIO Config Register ............................................................55

GPIO Data Register ................................................................56

Outline Dimensions........................................................................57

Ordering Guide ...........................................................................57

REVISION HISTORY

5/07—Revision 0: Initial Version

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