MC68HC11E0 Motorola, MC68HC11E0 Datasheet - Page 29

• Manufacturer Part Number: MC68HC11E0
• Description: (MC68HC711E Series) M68HC11E Series Programming Reference Guide
• Manufacturer: Motorola

Analog Input to 8-Bit Result Translation Table
Baud Rate Control Register (BAUD)
MOTOROLA
Address:
TCLR — Clear Baud Rate Counter (Test)
SCP[2:0] — SCI Baud Rate Prescaler Select
RCKB — SCI Baud Rate Clock Check (TEST)
1. % of V
2. Voltages for V
3. Voltages for V
1. Shaded areas apply to MC68HC(7)11E20 only.
Reset:
2
Volts
Volts
Read:
Write:
0
0
0
0
1
%
(1)
M68HC11E Series Programming Reference Guide
SCP2 applies to the MC68HC(7)11E20 only. When SCP2 = 1, SCP[1:0]
must equal 0. Any other values for SCP[1:0] are not decoded in the
prescaler and the results are unpredictable.
(1)
(2)
(3)
SCP
U = Unaffected
1
0
0
1
1
0
$102B
RH
TCLR
Bit 7
0
2.500
–V
Bit 7
50%
1.65
0
0
1
0
1
0
RL
RL
RL
Clock By
= 0; V
= 0; V
Internal
SCP2
Divide
6
0
1.250
13
39
25%
8.25
1
3
4
6
RH
RH
= 5.0 V
= 3.3 V
SCP1
0.4125
12.5%
0.625
5
0
62500
20833
15625
4800
1602
5
4.0
SCP0
0.3125
0.2063
6.25%
4
0
4
4.9152
76800
25600
19200
5907
1969
Crystal Frequency (MHz)
RCKB
0.1562
0.1031
3.12%
3
0
3
125000
41667
31250
9600
3205
8.0
SCR2
0.0781
0.0516
1.56%
U
2
2
M68HC11E Series Registers
131072
8.3886
43691
32768
10082
3361
0.0391
0.0258
SCR1
0.78%
M68HC11ERG/AD
U
1
1
187500
62500
46875
14423
4808
12.0
0.0195
0.0129
0.39%
SCR0
Bit 0
Bit 0
U
29