UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 423

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(3) Example of setting baud rate
115200
153600
312500
625000
19200
24000
31250
38400
48000
76800
Baud
[bps]
1200
2400
4800
9600
Rate
300
600
Remark
TPS63n,
TPS60n
7H
6H
5H
4H
3H
2H
1H
3H
4H
0H
2H
0H
1H
1H
0H
0H
TPS63n to TPS60n: Bits 3 to 0 of clock selection register 6n (CKSR6n) (setting of base
k:
f
ERR:
n = 0, 1
PRS
:
f
PRS
65
65
65
65
65
65
65
13
65
13
33
11
k
5
8
8
4
= 5.0 MHz
Calculated
CHAPTER 12 SERIAL INTERFACES UART60 AND UART61
113636
156250
312500
625000
19231
24038
31250
38462
48077
75758
Value
1202
2404
4808
9615
301
601
Table 12-4. Set Data of Baud Rate Generator
clock (f
Value set by MDL67n to MDL60n bits of baud rate generator control
register 6n (BRGC6n) (k = 4, 5, 6, ..., 255)
Peripheral hardware clock frequency
Baud rate error
ERR
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
1.73
Preliminary User’s Manual U19748EJ1V0UD
[%]
1.36
1.36
0
0
0
TPS63n,
XCLK6
TPS60n
8H
7H
6H
5H
4H
3H
2H
4H
5H
1H
3H
0H
0H
0H
1H
1H
))
f
PRS
65
65
65
65
65
65
65
13
65
13
65
43
33
k
5
8
4
= 10.0 MHz
Calculated
116279
151515
312500
625000
19231
24038
31250
38462
48077
76923
Value
1202
2404
4808
9615
301
601
ERR
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.94
[%]
1.36
0
0
0
TPS63n,
TPS60n
9H
8H
7H
6H
5H
4H
3H
5H
6H
2H
4H
1H
0H
1H
2H
2H
f
PRS
65
65
65
65
65
65
65
13
65
13
65
87
33
5
8
4
k
= 20.0 MHz
Calculated
114943
151515
312500
625000
19231
24038
31250
38462
48077
76923
Value
1202
2404
4808
9615
301
601
ERR
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
[%]
0.22
1.36
0
0
0
421