UPD78F9234MC-5A4-A Datasheet, PDF (218/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 11 SERIAL INTERFACE UART6
(3) Example of setting baud rate
Table 11-4. Set Data of Baud Rate Generator
Baud Rate
[bps] _{TPS63 to}
TPS60
fXP = 10.0 MHz
k Calculated ERR[%] TPS63 to
Value
TPS60
fXP = 8.38 MHz
k Calculated ERR[%] TPS63 to
Value
TPS60
fXP = 4.19 MHz
k Calculated ERR[%]
Value
600
6H 130 601
0.16
6H 109 601
0.11
5H 109 601
0.11
1200
5H 130 1202
0.16
5H 109 1201
0.11
4H 109 1201
0.11
2400
4H 130 2404
0.16
4H 109 2403
0.11
3H 109 2403
0.11
4800
3H 130 4808
0.16
3H 109 4805
0.11
2H 109 4805
0.11
9600
2H 130 9615
0.16
2H 109 9610
0.11
1H 109 9610
0.11
10400
1H 240 10417
0.16
1H 201 10423
0.22
1H 101 10475 −0.28
19200
1H 130 19231
0.16
1H 109 19220
0.11
0H 109 19220
0.11
31250
0H 160 31250
0.00
0H 134 31268
0.06
0H
67 31268
0.06
38400
0H 130 38462
0.16
0H 109 38440
0.11
0H
55 38090 −0.80
76800
0H
65 76923
0.16
0H
55 76182 −0.80
0H
27 77693
1.03
115200
0H
43 116279 0.94
0H
36 116389 1.03
0H
18 116389 1.03
153600
0H
33 151515 −1.36
0H
27 155185 1.03
0H
14 149643 −2.58
230400
0H
22 227272 −1.36
0H
18 232778 1.03
0H
9 232778 1.03
Remark
TPS63 to TPS60:
k:
fXP:
ERR:
Bits 3 to 0 of clock selection register 6 (CKSR6) (setting of base clock (fXCLK6))
Value set by MDL67 to MDL60 bits of baud rate generator control register 6
(BRGC6) (k = 8, 9, 10, ..., 255)
Oscillation frequency of clock to peripheral hardware
Baud rate error
216
User’s Manual U17446EJ5V0UD