Holtek HT48R30A-1 User Manual

The following tables show actual values of baud rate and error values for the two values of BRGH.
Baud
Rate
Kbps
Baud Rates for BRGH = 0
f
SYS
= 8MHz f
SYS
= 7.159MHz f
SYS
= 4MHz f
SYS
= 3.579545MHz
BRG Kbaud Error BRG Kbaud Error BRG Kbaud Error BRG Kbaud Error
0.3
¾¾¾¾¾¾
207 0.300 0.00 185 0.300 0.00
1.2 103 1.202 0.16 92 1.203 0.23 51 1.202 0.16 46 1.19 -0.83
2.4 51 2.404 0.16 46 2.38 -0.83 25 2.404 0.16 22 2.432 1.32
4.8 25 4.807 0.16 22 4.863 1.32 12 4.808 0.16 11 4.661 -2.9
9.6 12 9.615 0.16 11 9.322 -2.9 6 8.929 -6.99 5 9.321 -2.9
19.2 6 17.857 -6.99 5 16.64 -2.9 2 20.83 8.51 2 18.643 -2.9
38.4 2 41.667 8.51 2 37.29 -2.9 1
¾¾
1
¾¾
57.6 1 62.5 8.51 1 55.93 -2.9 0 62.5 8.51 0 55.93 -2.9
115.2 0 125 8.51 0 111.86 -2.9
¾¾¾¾¾¾
Baud Rates and Error Values for BRGH = 0
Baud
Rate
Kbps
Baud Rates for BRGH = 1
f
SYS
= 8MHz f
SYS
= 7.159MHz f
SYS
= 4MHz f
SYS
= 3.579545MHz
BRG Kbaud Error BRG Kbaud Error BRG Kbaud Error BRG Kbaud Error
0.3
¾¾¾¾¾¾¾¾¾¾¾¾
1.2
¾¾¾¾¾¾
207 1.202 0.16 185 1.203 0.23
2.4 207 2.404 0.16 185 2.405 0.23 103 2.404 0.16 92 2.406 0.23
4.8 103 4.808 0.16 92 4.811 0.23 51 4.808 0.16 46 4.76 -0.83
9.6 51 9.615 0.16 46 9.520 -0.832 25 9.615 0.16 22 9.727 1.32
19.2 25 19.231 0.16 22 19.454 1.32 12 19.231 0.16 11 18.643 -2.9
38.4 12 38.462 0.16 11 37.287 -2.9 6 35.714 -6.99 5 37.286 -2.9
57.6 8 55.556 -3.55 7 55.93 -2.9 3 62.5 8.51 3 55.930 -2.9
115.2 3 125 8.51 3 111.86 -2.9 1 125 8.51
1
111.86 -2.9
250 1 250 0
¾¾¾
0 250 0
¾¾¾
Baud Rates and Error Values for BRGH = 1
74
I/O Type MCU

Holtek HT48R30A-1 Specifications

General

Brand	Holtek
Model	HT48R30A-1
Category	Microcontrollers
Language	English