Microchip Technology ARD00342 Data Sheet
MCP3901
DS22192D-page 8
© 2011 Microchip Technology Inc.
FIGURE 1-3:
Data Ready Pulse Timing Diagram.
H
FIGURE 1-4:
Specific Timing Diagrams.
FIGURE 1-5:
MCP3901 Clock Detail.
DR
SCK
SDO
1/DRCLK
t
DODR
t
DRP
CS
V
IH
Timing Waveform for t
DIS
HI-Z
90%
10%
t
DIS
SDO
SCK
SDO
t
DO
Timing Waveform for t
DO
MDAT0/1
OSC1/CLKI
Timing Waveform for MDAT0/1
Modulator Output
t
DOMDAT
CLKEXT
1
0
PRESCALE<1:0>
1/
MCLK
AMCLK
1/4
DMCLK
1/OSR
DRCLK
OSR<1:0>
Multiplexer
Clock Divider
Clock Divider
Clock Divider
Crystal
Oscillator
OSC1
OSC2
1/Prescale
f
S
ADC
Sampling
Rate
Rate
f
D
ADC
Output
Data Rate
Data Rate
Digital Buffer