HD64F2145 Datasheet, PDF (395/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 15.6 BRR Settings for Various Bit Rates (Clocked Synchronous Mode)
Bit
Rate
2
(bit/s) n N
Operating Frequency ø (MHz)
4
8
10
n Nn Nn Nn
110 3 70 — —
250 2 124 2 249 3 124 — — 3
500 1 249 2 124 2 249 — — 3
1k
1 124 1 249 2 124 — — 2
2.5k 0 199 1 99 1 199 1 249 2
5k
0 99 0 199 1 99 1 124 1
10k 0 49 0 99 0 199 0 249 1
25k 0 19 0 39 0 79 0 99 0
50k 0 9 0 19 0 39 0 49 0
100k 0 4 0 9 0 19 0 24 0
250k 0 1 0 3 0 7 0 9 0
500k 0 0* 0 1* 0 3 0 4 0
1M
0001
0
2.5M
0 0*
5M
Legend
Blank: Cannot be set.
—: Can be set, but there will be a degree of error.
*: Continuous transfer or reception is not possible.
16
N
249
124
249
99
199
99
159
79
39
15
7
3
20
nN
——
——
2 124
1 249
1 124
0 199
0 99
0 49
0 19
09
04
01
0 0*
Table 15.7 Maximum Bit Rate with External Clock Input (Clocked Synchronous Mode)
ø (MHz)
2
4
6
8
10
External Input
Clock (MHz)
0.3333
0.6667
1.0000
1.3333
1.6667
Maximum Bit
Rate (bit/s)
333333.3
666666.7
1000000.0
1333333.3
1666666.7
ø (MHz)
12
14
16
18
20
External Input
Clock (MHz)
2.0000
2.3333
2.6667
3.0000
3.3333
Maximum Bit
Rate (bit/s)
2000000.0
2333333.3
2666666.7
3000000.0
3333333.3
Rev. 2.0, 08/02, page 355 of 788