Table 12-4: Baud Rate Generator Setting Data - NEC V850E/CA1 ATOMIC Preliminary User's Manual

(e) Baud rate setting example
f = 20 MHz
Baud Rate
CPU
[bps]
f
CLK
f /256
300
CPU
f /128
600
CPU
f /64
1200
CPU
f /32
2400
CPU
f /16
4800
CPU
f /8
9600
CPU
f /4
19200
CPU
f /2
31250
CPU
f /2
38400
CPU
f /2
76800
CPU
f /2
153600
CPU
Remark: : System clock frequency
f
CPU
f : Basic clock frequency
CLK
k: Setting values of MDL7 to MDL0 bits in BRGCm register
ERR: Baud rate error [%]
334
Chapter 12 Serial Interface Function

Table 12-4: Baud Rate Generator Setting Data

f = 16 MHz
CPU
f
k ERR
CLK
f /256
130 0.16
CPU
f /128
130 0.16
CPU
f /64
130 0.16
CPU
f /32
130 0.16
CPU
f /16
130 0.16
CPU
f /8
130 0.16
CPU
f /4
130 0.16
CPU
f /2
160 0
CPU
f /2
130 0.16
CPU
f /2
65 0.16
CPU
f /2
33 -1.38
CPU
Preliminary User's Manual U14913EE1V0UM00
f = 5 MHz
CPU
f
k ERR
CLK
f /64
104 0.16
CPU
f /32
104 0.16
CPU
f /16
104 0.16
CPU
f /8
104 0.16
CPU
f /4
104 0.16
CPU
f /2
104 0.16
CPU
f /2
104 0.16
CPU
f /2
128 0
CPU
f /2
104 0.16
CPU
f /2
52 0.16
CPU
f /2
26 0.16
CPU
f = 4 MHz
CPU
f
k ERR
CLK
f /64
130 0.16
CPU
f /32
130 0.16
CPU
f /16
130 0.16
CPU
f /8
130 0.16
CPU
f /4
130 0.16
CPU
f /2
130 0.16
CPU
f /2
65 0.16
CPU
f /2
40 0
CPU
f /2
33 -1.38
CPU
f /2
16 1,70
CPU
f /2
8 1.70
CPU
k ERR
104 0.16
104 0.16
104 0.16
104 0.16
104 0.16
104 0.16
64 0.16
32 0
26 0.16
13 0.16
7 -7.00