AT83C51RB2-RLTIM View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT83C51RB2-RLTIM

80C51 High Performance ROM 8-bit Microcontroller

Atmel Corporation 

AT80C51RD2/AT83C51Rx2

Table 23. Example of Computed Value when X2 = 1, SMOD1 = 1, SPD = 1

Baud Rates

FOSC=16.384 MHz

FOSC=24 MHz

BRL

Error (%)

BRL

Error (%)

115200

247

1.23

243

0.16

57600

238

1.23

230

0.16

38400

229

1.23

217

0.16

28800

220

1.23

204

0.16

19200

203

0.63

178

0.16

9600

149

0.31

100

0.16

4800

43

1.23

-

-

Table 24. Example of Computed Value when X2 = 0, SMOD1 = 0, SPD = 0

Baud Rates

4800

2400

1200

600

FOSC=16.384 MHz

BRL

Error (%)

247

1.23

238

1.23

220

1.23

185

0.16

FOSC=24 MHz

BRL

Error (%)

243

0.16

230

0.16

202

3.55

152

0.16

The baud rate generator can be used for mode 1 or 3 (see Figure 17.), but also for mode

0 for UART, thanks to the bit SRC located in BDRCON register (Table 31.)

41

4113B–8051–03/05

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