X9421 Datasheet, PDF (18/21 Pages) Xicor Inc. – Single Digitally Controlled (XDCP) Potentiometer

XDCP Timing (for All Load Instructions)
CS
SCK
SI
MSB
V_W
SO
High Impedance
X9421
...
t_WRL
...
LSB
XDCP Timing (for Increment/Decrement Instruction)
CS
SCK
V_W
SI ADDR
Inc/Dec
SO
High Impedance
...
t_WRID
...
Inc/Dec
...
Write Protect and Device Address Pins Timing
CS
(Any Instruction)
t_WPASU
t_WPAH
WP
A0
A1
18
FN8196.1
September 23, 2005