Renesas RX600 Series, User Manual

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RX610 Group 20. Serial Communications Interface (SCI)
R01UH0032EJ0120 Rev.1.20 Page 636 of 1006
Feb 20, 2013
Table 20.7 Maximum Bit Rate for Each Operating Frequency (Asynchronous Mode)
PCLK (MHz)
Maximum Bit Rate
(bps) n N PCLK (MHz)
Maximum Bit Rate
(bps) n N
8 250000 0 0 17.2032 537600 0 0
9.8304 307200 0 0 18 562500 0 0
10 312500 0 0 19.6608 614400 0 0
12 375000 0 0 20 625000 0 0
12.288 384000 0 0 25 781250 0 0
14 437500 0 0 30 937500 0 0
16 500000 0 0 33 1031250 0 0
50 1562500 0 0
Note: When the ABCS bit in SEMR is set to 1, the bit rate is two times.
Table 20.8 Maximum Bit Rate with External Clock Input (Asynchronous Mode) (1)
PCLK (MHz)
External Input Clock
(MHz)
Maximum Bit Rate
(bps) PCLK (MHz)
External Input Clock
(MHz)
Maximum Bit Rate
(bps)
8 2.0000 125000 17.2032 4.3008 268800
9.8304 2.4576 153600 18 4.5000 281250
10 2.5000 156250 19.6608 4.9152 307200
12 3.0000 187500 20 5.0000 312500
12.288 3.0720 192000 25 6.2500 390625
14 3.5000 218750 30 7.5000 468750
16 4.0000 250000 33 8.2500 515625
50 12.500 781250
Note: This is an example when the ABCS bit in SEMR is 0.
Table 20.8 Maximum Bit Rate with External Clock Input (Asynchronous Mode) (2)
PCLK (MHz)
External Input Clock
(MHz)
Maximum Bit Rate
(bps) PCLK (MHz)
External Input Clock
(MHz)
Maximum Bit Rate
(bps)
8 2.0000 250000 17.2032 4.3008 537600
9.8304 2.4576 307200 18 4.5000 562500
10 2.5000 312500 19.6608 4.9152 614400
12 3.0000 375000 20 5.0000 625000
12.288 3.0720 384000 25 6.2500 781250
14 3.5000 437500 30 7.5000 937500
16 4.0000 500000 33 8.2500 1031250
50 12.500 1562500
Note: This is an example when the ABCS bit in SEMR is 1.