Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
5. Operation of UART
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
170
Reload Values and Errors for Each Internal Clock (Peripheral Clock (PCLK))
and Baud Rate
and Baud Rate
Table 5-3 Reload Values and Errors for Each Internal Clock (Peripheral Clock (PCLK)) and
Baud Rate
Baud rate
(bps)
8 MHz
10 MHz
16 MHz
20 MHz
24 MHz
32 MHz
Value ERR Value ERR Value ERR Value ERR Value ERR Value ERR
4M
-
-
-
-
-
0
4
0
5
0
7
0
2.5M
-
-
-
0
-
-
-
-
-
-
-
-
2M
-
0
4
0
7
0
9
0
11
0
15
0
1M
7
0
9
0
15
0
19
0
23
0
31
0
500000
15
0
19
0
31
0
39
0
47
0
63
0
460800
-
-
-
-
-
-
-
-
51
-0.16
-
-
250000
31
0
39
0
63
0
79
0
95
0
127
0
230400
-
-
-
-
-
-
-
-
103 -0.16
-
-
153600
51
-0.16
64
-0.16 103 -0.16 129 -0.16 155 -0.16
207
-0.16
125000
63
0
79
0
127
0
159
0
191
0
255
0
115200
68
-0.64
86
0.22
138
0.88
173
0.22
207 -0.16
277
0.08
76800
103 -0.16 129 -0.16 207 -0.16 259 -0.16 311 -0.16
416
0.08
57600
138
0.08
173
0.22
277
0.08
346 -0.16 416
0.08
555
0.08
38400
207 -0.16 259 -0.16 416
0.08
520
0.03
624
0
832
-0.04
28800
277
0.08
346 <0.01 554 -0.01 693 -0.06 832 -0.03 1110 -0.01
19200
416
0.08
520
0.03
832 -0.03 1041 0.03 1249
0
1666
0.02
10417
767 <0.01 959 <0.01 1535 <0.01 1919 <0.01 2303 <0.01 3071 <0.01
9600
832
0.04 1041 0.03 1666 0.02 2083 0.03 2499
0
3332 -0.01
7200
1110 <0.01 1388 <0.01 2221 <0.01 2777 <0.01 3332 <0.01 4443 -0.01
4800
1666 0.02 2082 -0.02 3332 <0.01 4166 <0.01 4999
0
6666 <0.01
2400
3332 <0.01 4166 <0.01 6666 <0.01 8332 <0.01 9999
0
13332 <-0.01
1200
6666 <0.01 8334 0.02 13332 <0.01 16666 <0.01 19999
0
26666 <0.01
600
13332 <0.01 16666 <0.01 26666 <0.01
-
-
-
-
-
-
300
26666 26666 <0.01
-
-
-
-
-
-
-
-
-
⋅
Value: Setting value of the BGR register (decimal)
⋅
ERR: Baud rate error (%)
MB91520 Series
MN705-00010-1v0-E
1483