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Serial Interface
13-15
Table 13-2-2 Bit rates (1) (When IOCLK = 15 MHz)
Bit rate (bit/s)
When cascaded When using prescalers
Timer division ratio Bit rate error Timer division ratio Bit rate error
19 200 98 0.35 % Not using —
9 600 195 0.16 % Not using —
4 800 391 0.10 % 195 x 2 0.16 %
2 400 781 0.03 % 195 x 4 0.16 %
1 200 1 563 0.03 % 195 x 8 0.16 %
Table 13-2-3 Bit Rates (2) (When IOCLK = 12 MHz)
Bit rate (bit/s)
When cascaded When using prescalers
Timer division ratio Bit rate error Timer division ratio Bit rate error
19 200 78 0.16 % Not using —
9 600 156 0.16 % Not using —
4 800 313 0.16 % 156 x 2 0.16 %
2 400 625 0.0 % 125 x 5 0.0 %
1 200 1 250 0.0 % 125 x 10 0.0 %
Table 13-2-4 Bit Rates (3) (When IOCLK = 8 MHz)
Bit rate (bit/s)
When cascaded When using prescalers
Timer division ratio Bit rate error Timer division ratio Bit rate error
19 200 52 0.16 % Not using —
9 600 104 0.16 % Not using —
4 800 208 0.16 % Not using —
2 400 417 0.08 % 139 x 3 0.08 %
1 200 833 0.04 % 119 x 7 0.04 %