UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 471

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(1) Examples of settings when baud rate generator is used
Oscillator Frequency (f
or External Clock (f
Examples of baud rate generator control register (BRGC) settings when the baud rate generator is used are shown
below.
When the baud rate generator is used, the SCK bit of the asynchronous serial interface mode register (ASIM) should
be set (1).
Baud Rate
19200
31520
38400
76800
[bps]
1200
2400
4800
9600
110
150
300
600
75
X
)
XX
Table 16-4 Examples of BRGC Settings When Baud Rate Generator is Used
)
BRGC
Value
CHAPTER 16 ASYNCHRONOUS SERIAL INTERFACE/3-WIRE SERIAL I/O
ACH
B4H
A4H
94H
84H
74H
64H
54H
44H
34H
29H
24H
14H
25.0 MHz
Baud Rate Error
1.73
0.92
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
0.00
1.73
1.73
(%)
BRGC
Value
ABH
B4H
A4H
94H
84H
74H
64H
54H
44H
34H
29H
24H
14H
24.576 MHz
Baud Rate Error
0.00
1.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1.70
0.00
0.00
(%)
BRGC
Value
A4H
9BH
94H
84H
74H
64H
54H
44H
34H
24H
19H
14H
04H
12.0 MHz
Baud Rate Error
2.34
2.34
2.34
0.00
2.34
2.34
1.36
2.34
2.34
2.34
2.34
2.34
2.34
(%)
BRGC
Value
A2H
22H
16H
12H
02H
99H
92H
82H
72H
62H
52H
42H
32H
11.0592 MHz
Baud Rate Error
0.00
1.82
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.54
0.00
0.00
(%)
431