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6.4.1.5 COMMAND REGISTER (DUCR). The DUCR is used to supply commands to the
channel. Multiple commands can be specified in a single write to the DUCR if the
commands are not conflicting—e.g., reset transmitter and enable transmitter commands
cannot be specified in a single command.
MISC3–MISC0—Miscellaneous Commands
These bits select a single command as listed in Table 6-7.
6-26
Table 6-6. TCSx Control Bits
TCS3
TCS2
TCS1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
DUCRA, DUCRB
7
6
5
–
MISC2
MISC1
MISC0
RESET:
0
0
0
Write Only
MC68306 USER'S MANUAL
TCS0
Set 1
0
50
1
110
0
134.5
1
200
0
300
1
600
0
1200
1
1050
0
2400
1
4800
0
7200
1
9600
0
38.4k
1
TIMER
TIMER
0
–
1
–
4
3
2
1
TC1
TC0
RC1
0
0
0
0
Set 2
75
110
134.5
150
300
600
1200
2000
2400
4800
1800
9600
19.2k
–
–
0
RC0
0
MOTOROLA
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