R01UH0823EJ0100 Rev.1.00
Page 992 of 1823
Jul 31, 2019
RX23W Group
33. Serial Communications Interface (SCIg, SCIh)
Table 33.16
Maximum Bit Rate with External Clock Input (Asynchronous Mode)
PCLK (MHz)
External Input Clock (MHz)
Maximum Bit Rate (bps)
SEMR.ABCS Bit = 0
SEMR.ABCS Bit = 1
8
2.0000
125000
250000
9.8304
2.4576
153600
307200
10
2.5000
156250
312500
12
3.0000
187500
375000
12.288
3.0720
192000
384000
14
3.5000
218750
437500
16
4.0000
250000
500000
17.2032
4.3008
268800
537600
18
4.5000
281250
562500
19.6608
4.9152
307200
614400
20
5.0000
312500
625000
25
6.2500
390625
781250
30
7.5000
468750
937500
Table 33.17
Maximum Bit Rate with TMR Clock Input (Asynchronous Mode)
PCLK (MHz)
TMR Clock (MHz)
Maximum Bit Rate (bps)
SEMR.ABCS Bit = 0
SEMR.ABCS Bit = 1
8
4
250000
500000
9.8304
4.9152
307200
614400
10
5
312500
625000
12
6
375000
750000
12.288
6.144
384000
768000
14
7
437500
875000
16
8
500000
1000000
17.2032
8.6016
537600
1075200
18
9
562500
1125000
19.6608
9.8304
614400
1228800
20
10
625000
1250000
25
12.5
781250
1562500
30
15
937500
1875000