Datasheet
MCP41XXX/42XXX
DS11195C-page 6 2003 Microchip Technology Inc.
FIGURE 1-1: Detailed Serial interface Timing.
FIGURE 1-2: Reset Timing.
FIGURE 1-3: Software Shutdown Exit Timing.
CS
SCK
SI
msb in
t
SU
t
HD
t
CSSR
t
CSH
t
HI
t
LO
t
CSO
SO
t
CS1
1/F
CLK
t
CHS
t
DO
(First 16 bits out are always zeros)
V
OUT
±1%
±1% Error Band
t
S
RS
t
S
V
OUT
±1%
t
RS
±1% Error Band
CS
t
RSCS
Code 80h is latched
on rising edge of RS
Wiper position is changed to
mid-scale (80h) if RS
is held
low for 150 ns
CS
t
CSL
RS
SHDN
t
SH
t
RS
t
SE
t
SE