HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 316

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Notes: 1. The setting should be made so that the error is not more than 1%.
Table 10.7 Relation between n and Clock
n
0
1
2
3
310
2. The value set in BRR is given by the following equation:
3. The error in table 10.6 is the value obtained from the following equation, rounded to
Clock
ø
ø/4
ø16
ø/64
where
B:
N:
OSC: Value of ø
n:
two decimal places.
N =
Error (%) =
(64
Bit rate (bit/s)
Baud rate generator BRR setting (0 N 255)
Baud rate generator input clock number (n = 0, 1, 2, or 3)
(The relation between n and the clock is shown in table 10.7.)
OSC
2
B (rate obtained from n, N, OSC) – R (bit rate in left-hand column in table 10.6)
2n
CKS1
0
0
1
1
B)
OSC
SMR Setting
(MHz)
10
6
– 1
CKS0
0
1
0
1
R (bit rate in left-hand column in table 10.6)
100