HD6432621 Hitachi, HD6432621 Datasheet - Page 484
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 484 of 1069
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The BRR setting is found from the following formulas.
Asynchronous mode:
Clocked synchronous mode:
Where B: Bit rate (bit/s)
The bit rate error in asynchronous mode is found from the following formula:
440
N =
N =
Error (%) = {
N: BRR setting for baud rate generator (0 N 255)
ø: Operating frequency (MHz)
n: Baud rate generator input clock (n = 0 to 3)
n
0
1
2
3
(See the table below for the relation between n and the clock.)
64
8
Clock
ø
ø/4
ø/16
ø/64
2
2
2n–1
ø
ø
2n–1
(N + 1) B 64 2
B
B
CKS1
0
0
1
1
ø
10
10
SMR Setting
6
6
10
– 1
– 1
6
CKS0
0
1
0
1
2n–1
– 1
100
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