MC68306 Motorola, MC68306 Datasheet - Page 134

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

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
6-26
These bits select a single command as listed in Table 6-7.
DUCRA, DUCRB
Write Only
RESET:
TCS3
7
–
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
MISC2
Table 6-6. TCSx Control Bits
TCS2
6
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
MC68306 USER'S MANUAL
MISC1
5
0
TCS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
MISC0
4
0
TCS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
TC1
3
0
TIMER
134.5
Set 1
38.4k
1200
1050
2400
4800
7200
9600
TC0
110
200
300
600
2
0
50
–
–
RC1
1
0
TIMER
134.5
Set 2
19.2k
1200
2000
2400
4800
1800
9600
110
150
300
600
75
–
–
RC0
0
0
MOTOROLA