Table 17.5 Examples Of Bit Rate B (Bits/S) For Various Scbrr1 Settings (When N = 0); Table 17.6 Examples Of Scbrr1 Settings For Bit Rate B (Bits/S) (When N = 0); Table 17.7 Maximum Bit Rate At Various Frequencies (Smart Card Interface Mode) - Hitachi SH7751 Hardware Manual

Table 17.5 Examples of Bit Rate B (bits/s) for Various SCBRR1 Settings (When n = 0)

N 7.1424
0 9600.0
1 4800.0
2 3200.0
Note: Bit rates are rounded to one decimal place.
The method of calculating the value to be set in the bit rate register (SCBRR1) from the peripheral
module operating frequency and bit rate is shown below. Here, N is an integer in the range 0
255, and the smaller error is specified.
φ P
N =
1488 × 2

Table 17.6 Examples of SCBRR1 Settings for Bit Rate B (bits/s) (When n = 0)

7.1424
Bits/s N Error
9600 0 0.00

Table 17.7 Maximum Bit Rate at Various Frequencies (Smart Card Interface Mode)

 
P (MHz)
7.1424
10.00
10.7136
16.00
20.00
25.0
30.0
33.0
50.0
Rev. 3.0, 04/02, page 692 of 1064
10.00 10.7136
13440.9 14400.0
6720.4 7200.0
4480.3 4800.0
× 10
6
– 1
× B
2n–1
10.00 10.7136
N Error N Error
1 30.00 1 25.00
Maximum Bit Rate (bits/s)
19200
26882
28800
43010
53763
67204
80645
88710
67204
 
P (MHz)
14.2848 25.0
19200.0 33602.2
9600.0 16801.1
6400.0 11200.7
 
P (MHz)
14.2848 25.00
N Error N Error
1 8.99 3 14.27
N
0
0
0
0
0
0
0
0
0
33.0 50.0
44354.8 67204.3
22177.4 33602.2
14784.9 22401.4

33.00 50.00
N Error N Error
4 8.22 6 0.01
n
0
0
0
0
0
0
0
0
0

N