Motorola MPC8260 User Manual

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MOTOROLA
Chapter 26.  Serial Management Controllers (SMCs)  
26-3
Part IV.  Communications Processor Module
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Full-duplex operation
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Local loopback and echo capability for testing
26.2  Common SMC Settings and ConÞgurations
The following sections describe settings and conÞgurations that are common to the SMCs.
26.2.1  SMC Mode Registers (SMCMR1/SMCMR2)
The SMC mode registers (SMCMR1 and SMCMR2), shown in Figure 26-2, selects the
SMC mode as well as mode-speciÞc parameters. The functions of SMCMR[8Ð15] are the
same for each protocol. Bits 0Ð7 vary according to protocol selected by the SM bits. 
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Field: UART
Ñ
CLEN
SL
PEN
PM
Ñ
SM
DM
TEN REN
Transparent
Ñ
BS
REVD
GCI
ME
Ñ
C#
Reset
0000_0000_0000_0000
R/W
R/W
Address
Figure 26-2. SMC Mode Registers (SMCMR1/SMCMR2)