User Manual

© 2010 Microchip Technology Inc. DS21667F-page 13
MCP2551
2.4 Timing Diagrams and Specifications
FIGURE 2-4: TIMING DIAGRAM FOR AC CHARACTERISTICS
FIGURE 2-5: TIMING DIAGRAM FOR WAKE-UP FROM STANDBY
FIGURE 2-6: TIMING DIAGRAM FOR BUS DOMINANT TO RXD LOW (STANDBY MODE)
3
5
4
6
0.9V
0.5V
0V
V
DD
TXD (transmit data
input voltage)
VDIFF (CANH,
CANL differential
voltage)
RXD (receive data
output voltage)
0.3 V
DD
0.7 VDD
VTXD = 0.8V
10
0V
V
DD
VRS Slope resistor
input voltage
V
RXD Receive data
output voltage
0.6 VDD
0.3 VDD
VRS = 4V; VTXD = 2V
1.5V
0V
11
VDIFF, Differential
voltage
Receive data
output voltage
0.9V
0.3 V
DD