AT89C5131-RDTIL datasheet(71/176 Pages) ATMEL

Nome de Peças	AT89C5131-RDTIL

Descrição Electrónicos	8-bit Flash Microcontroller with Full Speed USB Device

PDF	176 Pages

Scroll/Zoom	100%

Fabricante Electrônico	ATMEL [ATMEL Corporation]

Página de início	http://www.atmel.com

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71 / 176 page

AT89C5131

4136B–USB–09/03

Example of computed value when X2 = 1, SMOD1 = 1, SPD = 1

Example of computed value when X2 = 0, SMOD1 = 0, SPD = 0

The baud rate generator can be used for mode 1 or 3 (refer to Figure 34.), but also for

mode 0 for UART, thanks to the bit SRC located in BDRCON register (Table 60.)

UART Registers

SADEN - Slave Address Mask Register for UART (B9h)

Reset Value = 0000 0000b

SADDR - Slave Address Register for UART (A9h)

Reset Value = 0000 0000b

SBUF - Serial Buffer Register for UART (99h)

Reset Value = XXXX XXXXb

Baud Rates

OSCA = 16.384 MHz

OSCA = 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

1.23

Baud Rates

FOSCA = 16.384 MHz

FOSCA = 24 MHz

BRL

Error (%)

BRL

Error (%)

4800

247

1.23

243

0.16

2400

238

1.23

230

0.16

1200

220

1.23

202

3.55

600

185

0.16

152

0.16

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