upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 250

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

(3) Example of setting baud rate
250
Baud Rate [bps]
Remark TPS63 to TPS60: Bits 3 to 0 of clock selection register 6 (CKSR6) (setting of base clock (f
115200
153600
312500
19200
24000
31250
38400
48000
76800
1200
2400
4800
9600
300
600
k:
f
ERR:
PRS
:
TPS63to TPS60
9H
8H
7H
6H
5H
4H
3H
1H
5H
2H
0H
1H
2H
0H
0H
Value set by MDL67 to MDL60 bits of baud rate generator control register 6
(BRGC6) (k = 4, 5, 6, ..., 255)
Peripheral hardware clock frequency
Baud rate error
Table 10-5. Set Data of Baud Rate Generator
f
125
125
PRS
39
39
39
39
39
39
39
39
39
13
39
19
6
k
CHAPTER 10 SERIAL INTERFACE UART6
= 12.0 MHz
Calculated Value
Preliminary User’s Manual U19014EJ1V0UD
300.487
600.962
1201.92
2403.85
4807.69
9615.38
19230.8
38461.5
76923.1
115385
153846
315789
24000
31250
48000
ERR[%]
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.00
0.00
0.16
0.00
0.16
0.16
0.16
1.05
TPS63to TPS60
AH
AH
9H
8H
7H
6H
5H
1H
5H
4H
0H
3H
0H
2H
1H
f
167
167
PRS
26
13
13
13
13
13
13
13
13
69
13
13
k
8
= 16.0 MHz
Calculated Value
300.481
600.962
1201.92
2403.85
4807.69
9615.38
19230.8
23952.1
38461.5
47904.2
76923.1
115942
153846
307692
31250
XCLK6
ERR[%]
))
−0.20
−0.20
−1.54
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.00
0.16
0.16
0.64
0.14