3069RF-ZTAT Datasheet, PDF (501/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 13.5 shows the maximum bit rates in asynchronous mode for various system clock
frequencies. Table 13.6 and 13.7 shows the maximum bit rates with external clock input.
Table 13.5 Maximum Bit Rates for Various Frequencies (Asynchronous Mode)
φ (MHz)
10
12
12.288
14
14.7456
16
17.2032
18
20
25
Maximum Bit Rate (bit/s)
n
312500
0
375000
0
384000
0
437500
0
460800
0
500000
0
537600
0
562500
0
625000
0
781250
0
Settings
N
0
0
0
0
0
0
0
0
0
0
Table 13.6 Maximum Bit Rates with External Clock Input (Asynchronous Mode)
φ (MHz)
10
12
12.288
14
14.7456
16
17.2032
18
20
25
External Input Clock (MHz)
2.5000
3.0000
3.0720
3.5000
3.6864
4.0000
4.3008
4.5000
5.0000
6.2500
Maximum Bit Rate (bit/s)
156250
187500
192000
218750
230400
250000
268800
281250
312500
390625
Rev. 5.0, 09/04, page 479 of 978