Z8F4822AR020SG Datasheet, PDF (128/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
108
Table 62. UART Baud Rates (Continued)
10.0 MHz System Clock
Desired
Rate
(kHz)
BRG
Divisor Actual Rate
(Decimal) (kHz)
Error
(%)
1250.0
N/A
N/A
N/A
625.0
1
625.0
0.00
250.0
3
208.33 –16.67
115.2
5
125.0
8.51
57.6
11
56.8
–1.36
38.4
16
39.1
1.73
19.2
33
18.9
0.16
9.60
65
9.62
0.16
4.80
130
4.81
0.16
2.40
260
2.40
–0.03
1.20
521
1.20
–0.03
0.60
1042
0.60
–0.03
0.30
2083
0.30
0.2
3.579545 MHz System Clock
Desired
Rate
(kHz)
BRG
Divisor Actual Rate
(Decimal) (kHz)
Error
(%)
1250.0
N/A
N/A
N/A
625.0
N/A
N/A
N/A
250.0
1
223.72 –10.51
115.2
2
111.9
–2.90
57.6
4
55.9
–2.90
38.4
6
37.3
–2.90
19.2
12
18.6
–2.90
9.60
23
9.73
1.32
4.80
47
4.76
–0.83
2.40
93
2.41
0.23
1.20
186
1.20
0.23
0.60
373
0.60
–0.04
0.30
746
0.30
–0.04
5.5296 MHz System Clock
Desired
Rate
(kHz)
BRG
Divisor Actual Rate
(Decimal) (kHz)
1250.0
N/A
N/A
625.0
N/A
N/A
250.0
1
345.6
115.2
3
115.2
57.6
6
57.6
38.4
9
38.4
19.2
18
19.2
9.60
36
9.60
4.80
72
4.80
2.40
144
2.40
1.20
288
1.20
0.60
576
0.60
0.30
1152
0.30
1.8432 MHz System Clock
Desired
Rate
(kHz)
BRG
Divisor Actual Rate
(Decimal) (kHz)
1250.0
N/A
N/A
625.0
N/A
N/A
250.0
N/A
N/A
115.2
1
115.2
57.6
2
57.6
38.4
3
38.4
19.2
6
19.2
9.60
12
9.60
4.80
24
4.80
2.40
48
2.40
1.20
96
1.20
0.60
192
0.60
0.30
384
0.30
Error
(%)
N/A
N/A
38.24
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Error
(%)
N/A
N/A
N/A
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
PS019924-0113
PRELIMINARY
UART Control Register Definitions