Datasheet

14-22 MCF5307 User’s Manual
Operation
Figure 14-21. Transmitter Timing Diagram
14.5.2.2 Receiver
The receiver is enabled through its UCRn, as described in Section 14.3.5, “UART
Command Registers (UCRn).” Figure 14-22 shows receiver functional timing.
C1
1
C2 C3 Break
C4 C6
TxD
Transmitter
Enabled
USRn[TxRDY]
W
2
WWWWWWW
CTS
3
RTS
4
Manually asserted
by BIT - SET command
Manually
asserted
Start
break
C5
not
transmitted
C6C4 Stop
break
C3C2C1
1
C1 in transmission
3
UMR2n[TxCTS] = 1
1
Cn = transmit characters
2
W = write
4
UMR2n [TxRTS] = 1
internal
module
select
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eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
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