Fujitsu MB90895 Series Hardware Manual page 477

G
Example of setting baud rates and reload register setting values (machine clock frequency: 7.3728
MHz)
Table 15.5-4 Baud Rate and Reload Value
Baud Rate
(bps)
38,400
19,200
9,600
4,800
2,400
1,200
600
300
N: Division ratio based on communication prescaler for 16-bit reload timer
- : Setting disabled
Clock Asynchronous (start-stop
synchronization)
1
N = 2 (machine N = 2
cycle divided by 2) cycle divided by 8)
2
5
11
23
47
95
191
383
Reload Value
Clock synchronous
3 1
(machine N = 2 (machine
cycle divided by 2)
- 47
- 95
2 191
5 383
11 767
23 1,535
47 3,071
95 6,143
CHAPTER 15 UART1
3
N = 2 (machine
cycle divided by 8)
11
23
47
95
191
383
767
1,535
459