Motorola MC68VZ328 Manuale Utente
UART Operation
Universal Asynchronous Receiver/Transmitter 1 and 2
14-9
14.3.3.3
Integer Prescaler
The baud rate generator can provide standard baud rates from many system clock frequencies. Table 14-3
contains the values that should be used in the UBAUD register for a default 33.16 MHz system clock
frequency.
contains the values that should be used in the UBAUD register for a default 33.16 MHz system clock
frequency.
Table 14-3. Selected Baud Rate Settings
Baud Rate
Divider
Prescaler (Hex)
230400
0
0x38
115200
1
0x38
57600
2
0x38
28800
3
0x38
14400
4
0x38
38400
1
0x26
19200
2
0x26
9600
3
0x26
4800
4
0x26
2400
5
0x26
1200
6
0x26
600
7
0x26