X9440 Datasheet, PDF (15/21 Pages) Intersil Corporation – Mixed Signal with SPI Interface

Hold Timing
CS
SCK
t_RO
SO
SI
HOLD
X9440
t_HSU
t_FO
t_HH
...
t_HZ
t_LZ
t_HOLD
XDCP Timing (for All Load Instructions)
CS
SCK
SI
MSB
...
t_WRL
...
LSB
VWx
SO ^{High Impedance}
XDCP Timing (for Increment/Decrement Instruction)
CS
SCK
VWx
...
t_WRID
...
SI ADDR
Inc/Dec
Inc/Dec
...
SO ^{High Impedance}
Write Protect and Device Address Pins Timing
CS
(Any Instruction)
t_WPASU
t_WPAH
WP
A0
A1
15
FN8200.0
March 28, 2005