US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 372
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 372 of 684
- Download datasheet (5Mb)
Section 10 Serial Communication Interface
10.2.8
BRR is an 8-bit register that designates the transmit/receive bit rate in accordance with the baud
rate generator operating clock selected by bits CKS1 and CKS0 of the serial mode register (SMR).
BRR can be read or written by the CPU at any time.
BRR is initialized to H'FF upon reset, and in standby, module standby, or watch mode.
Table 10.3 shows examples of BRR settings in asynchronous mode. The values shown are for
active (high-speed) mode.
Table 10.3 Examples of BRR Settings for Various Bit Rates (Asynchronous Mode) (1)
Bit Rate
(bit/s)
110
150
200
250
300
600
1200
2400
4800
9600
19200
31250
38400
Rev. 8.00 Mar. 09, 2010 Page 350 of 658
REJ09B0042-0800
Bit
Initial value
Read/Write
Bit Rate Register (BRR)
n
—
—
—
0
—
—
16.4 kHz
N
—
—
—
1
—
—
BRR7
R/W
7
1
Error
(%)
—
—
—
2.5
—
—
BRR6
n
—
—
—
—
—
—
—
—
—
0
0
0
0
R/W
6
1
19.2 kHz
—
—
—
N
—
3
2
—
1
0
—
—
—
—
BRR5
R/W
Error
(%)
—
0
0
—
0
0
—
—
—
—
—
—
—
5
1
n
2
2
2
3
0
0
0
0
—
—
—
0
—
BRR4
R/W
4
1
1 MHz
N
12
9
1
103 0.16
51
—
—
—
0
—
17
25
12
φ
—
0
—
Error
(%)
–1.36 2
0.16
–2.34 3
–2.34 0
0.16
0.16
0.16
—
—
BRR3
R/W
3
1
n
3
3
3
2
2
0
0
0
—
0
1.2288 MHz
BRR2
R/W
N
21
3
2
153 –0.26 2
1
0
1
0
7
3
1
—
0
2
1
Error
(%)
–0.83 3
0
0
0
0
0
0
0
0
0
—
0
BRR1
R/W
1
1
n
2
3
2
0
0
0
0
—
—
0
—
2 MHz
N
8
25
4
15
12
103 0.16
51
25
12
—
—
1
—
BRR0
R/W
0
1
Error
(%)
–1.36
0.16
–2.34
–2.34
0.16
0.16
0.16
0.16
—
—
0
—
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