MCP2551
2.4
Timing Diagrams and Specifications
TIMING DIAGRAM FOR AC CHARACTERISTICS
V
DD
0V
V
DIFF
(CANH,
CANL differential
voltage)
RXD (receive data
output voltage)
0.5V
FIGURE 2-5:
TXD (transmit data
input voltage)
0.9V
3
5
0.3 V
DD
4
6
0.7 V
DD
FIGURE 2-6:
TIMING DIAGRAM FOR WAKEUP FROM STANDBY
V
DD
0.6 V
DD
0V
V
RS
Slope resistor
input voltage
V
RXD
Receive data
output voltage
0.3 V
DD
V
TXD
= 0.8V
10
FIGURE 2-7:
TIMING DIAGRAM FOR BUS DOMINANT TO RXD LOW (STANDBY MODE)
1.5V
V
DIFF
, Differential
voltage
0.9V
0V
Receive data
output voltage
0.3 V
DD
11
V
RS
= 4V; V
TXD
= 2V
DS21667C-page 12
Preliminary
錚?/div>
2002 Microchip Technology Inc.
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