MCP41XXX/42XXX
CS
tCSO
SCK
SI
tCSSR
tSU
tHD
msb in
SO
VOUT
FIGURE 1-1:
(First 16 bits out are always zeros)
Detailed Serial interface Timing.
1/FCLK
tHI tLO
tCHS
tCSH
tCS1
tDO
tS
±1% Error Band
±1%
Wiper position is changed to
mid-scale (80h) if RS is held
low for 150 ns
Code 80h is latched
on rising edge of RS
CS
tRSCS
tRS
RS
VOUT
tS
±1% Error Band
±1%
FIGURE 1-2:
Reset Timing.
tCSL
CS
tSE
tRS
RS
SHDN
tSE
tSH
FIGURE 1-3:
Software Shutdown Exit Timing.
DS11195C-page 6
2003 Microchip Technology Inc.