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HD64F3337YCP16V Datasheet, PDF (284/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Note: If possible, the error should be within 1%.
F
B=
à 106
64 Ã 22nâ1 Ã (N + 1)
F
N=
à 106 â 1
64 Ã 22nâ1 Ã B
B: Bit rate (bits/second)
N: Baud rate generator BRR value (0 ⤠N ⤠255)
F: øP (MHz) when n â 0, or ø (MHz) when n = 0
n: Baud rate generator input clock (n = 0, 1, 2, 3)
The meaning of n is given below.
SMR
WSCR
n
CKS1
CKS0
CKDBL Clock
0
0
0
0
ø
1
0
1
0
ø/4
2
1
0
0
ø/16
3
1
1
0
ø/64
0
0
0
1
ø
1
0
1
1
ø/8
2
1
0
1
ø/32
3
1
1
1
ø/128
The bit rate error can be calculated with the formula below.
F Ã 106
Error (%) = (N + 1) Ã B Ã 64 Ã 22nâ1 â 1 Ã 100
252
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