NEC V850E/IA1 mPD703116 User Manual page 478

<4> Baud rate setting example
In an actual system, the output of a prescaler module, etc. is connected to input clock. Table 10-8
shows the baud rate generator setting data at this time.
Table 10-8. Baud Rate Generator Setting Data (BRG = f
Desired Baud Rate
Synchronous Asynchronous
Mode Mode
4800
9600
19200 1200
38400 2400
76800 4800
153600 9600
166400 10400
307200 19200
614400 38400
1228800 76800
2457600 153600
Desired Baud Rate
Synchronous Asynchronous
Mode Mode
4800
9600
19200 1200
38400 2400
76800 4800
153600 9600
166400 10400
307200 19200
614400 38400
1228800 76800
2457600 153600
478
CHAPTER 10 SERIAL INTERFACE FUNCTION
(a) When f
Actual Baud Rate
Synchronous
Mode
300 4807.692
600 9615.385
19230.77
38461.54
76923.08
153846.2
166666.7
307692.3
615384.6
1142857
2666667
(b) When f
Actual Baud Rate
Synchronous
Mode
300 4882.813
600 9615.385
19230.77
38461.54
76923.08
153846.2
166666.7
303030.3
625000
1250000
2500000
User's Manual U14492EJ3V0UD
= 32 MHz
XX
BGCSm Bit
(m = 0, 1)
Asynchronous
Mode
300.4808 3
600.9615 3
1201.923 3
2403.846 3
4807.692 3
9615.385 2
10416.67 1
19230.77 1
38461.54 0
71428.57 0
166666.7 0
= 40 MHz
XX
BGCSm Bit
(m = 0, 1)
Asynchronous
Mode
305.1758 3
600.9615 3
1201.923 3
2403.846 2
4807.692 1
9615.385 0
10416.67 0
18939.39 0
39062.5 0
78125 0
156250 0
/2) (1/2)
XX
PRSCMn Error
Register Setting
Value (n = 1, 2)
208 0.16
104 0.16
52 0.16
26 0.16
13 0.16
13 0.16
24 0.16
13 0.16
13 0.16
−6.99
7
3 8.51
PRSCMn Error
Register Setting
Value (n = 1, 2)
256 1.73
130 0.16
65 0.16
65 0.16
65 0.16
65 0.16
60 0.16
−1.36
33
16 1.73
8 1.73
4 1.73