NEC 78K0 Series User Manual page 380

(3) Example of setting baud rate
Baud f = 2.0 MHz
PRS
Rate
k
TPS63- Calculated
[bps]
TPS60 Value
300 8H 13 301
600 7H 13 601
1200 6H 13 1202
2400 5H 13 2404
4800 4H 13 4808
9600 3H 13 9615
19200 2H 13 19231
24000 1H 21 23810
31250 1H 4 31250
38400 1H 13 38462
48000 0H 21 47619
76800 0H 13 76923
111111 −3.55
115200 0H 9
− − −
153600
− − −
312500
Remark TPS63 to TPS60: Bits 3 to 0 of clock selection register 6 (CKSR6) (setting of base clock (f
k:
f :
PRS
ERR:
380
CHAPTER 15 SERIAL INTERFACE UART6
Table 15-5. Set Data of Baud Rate Generator
f = 5.0 MHz
PRS
ERR k
TPS63- Calculated
[%]
TPS60 Value
0.16 7H 65 301
0.16 6H 65 601
0.16 5H 65 1202
0.16 4H 65 2404
0.16 3H 65 4808
0.16 2H 65 9615
0.16 1H 65 19231
−0.79
3H 13 24038
0 4H 5 31250
0.16 0H 65 38462
−0.79
2H 13 48077
0.16 0H 33 75758
113636 −1.36
1H 11
−
1H 8 156250
−
0H 8 312500
Value set by MDL67 to MDL60 bits of baud rate generator control register 6
(BRGC6) (k = 8, 9, 10, ..., 255)
Peripheral hardware clock frequency
Baud rate error
Preliminary User's Manual U17260EJ3V1UD
f = 10.0 MHz
PRS
ERR k
TPS63- Calculated
[%]
TPS60 Value
0.16 8H 65 301
0.16 7H 65 601
0.16 6H 65 1202
0.16 5H 65 2404
0.16 4H 65 4808
0.16 3H 65 9615
0.16 2H 65 19231
0.16 4H 13 24038
0 5H 5 31250
0.16 1H 65 38462
0.16 3H 13 48077
−1.36
0H 65 76923
0H 43 116279
151515 −1.36
1.73 0H 33
0 1H 8 312500
f = 20.0 MHz
PRS
ERR k
TPS63- Calculated
[%]
TPS60 Value
0.16 9H 65 301
0.16 8H 65 601
0.16 7H 65 1202
0.16 6H 65 2404
0.16 5H 65 4808
0.16 4H 65 9615
0.16 3H 65 19231
0.16 5H 13 24038
0 6H 5 31250
0.16 2H 65 38462
0.16 4H 13 48077
0.16 1H 65 76923
114943 −0.22
0.94 0H 87
151515 −1.36
1H 33
0 2H 8 312500
))
XCLK6
ERR
[%]
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0
0.16
0.16
0.16
0