Renesas M16C Series User Manual page 245

M30240 Group
Table 2.24: UART2 bit rate adjustment factor
SIM Card
Bit rate
internal clock
D
F(Hz)
372
1/2
1/4
1/8
1/16
1/32
1/64
558
1/2
1/4
1/8
1/16
1/32
1/64
744 1/2
1/4
1/8
1/16
1/32
1/64
Setting example under the following conditions
f(X )=12MHz
IN
Timer Ai counter set value = 1
Rev.1.00 Sep 24, 2003 Page 227 of 360
UART2 bit
rate
F/D
Generator
set value
1 372
2 186
4 93
8
16
744
1488
2976
5952
11904
23808
1 558
2 279
4
8
16
1116
2232
4464
8928
17856
35712
1 744
2 372
4 186
8 93
16
1488
2976
5952
11904
23808
47616
Combination impossible to deal with due to current specifications of M30240M6
Combination in which the F/D itself does not become and interger.
SIM Card
Bit rate
internal clock
F(Hz)
92 1116
185
1488
185
92
1860
Clock-Asynchronous Serial I/O
UART2 bit
rate
F/D
D Generator
set value
1 1116
2 558
4 279
8
16
1/2 2232
1/4 4464
1/8 8928
1/16 17856
1/32 35712
1/64 71424
1 1488
2 744
4 372
8 186
16 93
1/2 2976
1/4 5952
1/8 11904
1/16 23808
1/32 47616
1/64 95232
1 1860
2 930
4 465
8
16
1/2 3720
1/4 7440
1/8 14880
1/16 29760
1/32 59520
1/64 119040
185
92