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SPRS717F –OCTOBER 2011–REVISED APRIL 2013
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5.3 Controller Area Network (CAN)
For more information, see the Controller Area Network (CAN) section of the AM335x ARM Cortex-A8
Microprocessors (MPUs) Technical Reference Manual (literature number SPRUH73).
5.3.1 DCAN Electrical Data and Timing
Table 5-1. Timing Requirements for DCANx Receive
(see Figure 5-1)
NO.
MIN
MAX
1
H + 2(1)
UNIT
Mbps
ns
fbaud(baud)
tw(RX)
Maximum programmable baud rate
Pulse duration, receive data bit
1
H - 2(1)
(1) H = period of baud rate, 1/programmed baud rate.
Table 5-2. Switching Characteristics for DCANx Transmit
(see Figure 5-1)
NO.
PARAMETER
Maximum programmable baud rate
Pulse duration, transmit data bit
MIN
MAX
1
H + 2(1)
UNIT
Mbps
ns
fbaud(baud)
2
tw(TX)
H - 2(1)
(1) H = period of baud rate, 1/programmed baud rate.
1
2
DCANx_RX
DCANx_TX
Figure 5-1. DCANx Timings
116
Peripheral Information and Timings
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