Datasheet

UART Modules
MOTOROLA MCF5206e USER’S MANUAL 12-15
Figure 12-8. Multidrop Mode Timing Diagram
STATUS DATA
STATUS DATA
1
0
C0
1
ADDR
1
ADDR
2
A/D
A/D
A/D
MASTER STATION
1
0C0
1
0
ADDR
1
ADDR
2
A/D
A/D
A/D
A/D
A/D
PERIPHERAL
STATION
UMR1(2) = 1
W
W
W
W
WW
UMR1(2) = 0
ADDR2
ADDR1
UMR1(4:3) = 11
UMR1(2) = 1
0
UMR1(4–3) = 11
ADDR
W
R
RR
RR
C0
ADDR
RECEIVER
ENABLED
RxD
CS
TxD
TRANSMITTER
ENABLED
TxRDY
(USR2)
CS
W
ENABLE
INTERNAL
MODULE
SELECT
I
NTERNAL
M
ODULE
S
ELECT
UMR1[4:3]=11
UMR1[2]=1
UMR1[2]=0
UMR1[2]=1
A/D
A/D
A/D
A/D
Fr
eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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