AT89C51RC2-3CSIM datasheet(50/127 Pages) ATMEL

부품명	AT89C51RC2-3CSIM

상세설명	Microcontroller with 16K/32K Bytes Flash

PDF	127 Pages

Scroll/Zoom	100%

제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

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AT89C51RB2/RC2

4180C–8051–12/03

Table 34. Example of Computed Value When X2=1, SMOD1=1, SPD=1

Table 35. 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 20.), but also for

mode 0 for UART, thanks to the bit SRC located in BDRCON register (Table 42.)

UART Registers

Table 36. SADEN Register

SADEN - Slave Address Mask Register for UART (B9h)

Reset Value = 0000 0000b

Table 37. SADDR Register

SADDR - Slave Address Register for UART (A9h)

Reset Value = 0000 0000b

Baud Rates

FOSC = 16. 384 MHz

FOSC = 24MHz

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

FOSC = 16. 384 MHz

FOSC = 24MHz

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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