HD6417750RF240V Datasheet, PDF (372/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 14 Serial Communication Interface (SCI)
Table 14.6 BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Operating Frequency φ (MHz)
Bit Rate
4
8
10
16
(bit/s) n
N
n
N
n
N
n
N
n
110
—
—
250
2
249 3
124 —
—
3
249
500
2
124 2
249
—
—
3
124
—
1k
1
249 2
124
—
—
2
249
—
2.5k
1
99
1
199 1
249 2
99
2
5k
0
199 1
99
1
124 1
199
1
10k
0
99
0
199 0
249 1
99
1
25k
0
39
0
79
0
99
0
159
0
50k
0
19
0
39
0
49
0
79
0
100k
0
9
0
19
0
24
0
39
0
250k
0
3
0
7
0
9
0
15
0
500k
0
1
0
3
0
4
0
7
0
1M
0
0^*
0
1
0
3
0
2.5M
0
0^*
0
5M
0
Legend:
Blank: Cannot be set.
—: Can be set, but there will be a degree of error.
*: Continuous transfer is not possible.
20
N
—
—
124
249
124
199
99
49
19
9
4
1
0^*
Table 14.7 Maximum Bit Rate with External Clock Input (Clocked Synchronous Mode)
φ (MHz)
4
6
8
10
12
External Input
Clock (MHz)
0.6667
1.0000
1.3333
1.6667
2.0000
Maximum Bit
Rate (bit/s)
666666.7
1.000000.0
1333333.3
1666666.7
2000000.0
φ (MHz)
14
16
18
20
External Input
Clock (MHz)
2.3333
2.6667
3.0000
3.3333
Maximum Bit
Rate (bit/s)
2333333.3
2666666.7
3000000.0
3333333.3
Rev. 7.00 Sep. 11, 2009 Page 336 of 566
REJ09B0211-0700