BLUENRG-1 datasheet(64/173 Pages) STMICROELECTRONICS

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Functional details

BlueNRG-1

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Table 66: Typical baud rates with OVSFACT = 1

Required bit rate

(bps)

Programmed divisor

Generated bit rate

(bps)

Error

(%)

Integer

(DIVINT)

Fraction

(DIVFRAC)

1 843 200

1 (16’h0001)

5 (6’h05)

1 855 115

0.646

921 600

2 (16’h0002)

11 (6’h0B)

920 895

- 0.076

460 800

4 (16’h0004)

22 (6’h16)

461 436

- 0.079

230 400

8 (16’h0008)

44 (6’h2C)

230 215

- 0.080

115 200

17 (16’h0011)

23 (6’h17)

115 212

0.010

57 600

34 (16’h0022)

46 (6’h2E)

57 605

0.009

38 400

52 (16’h0034)

5 (6’h05)

38 403

0.008

28800

69 (16’h0045)

28 (6’h1C)

28 802

0.007

19 200

104 (16’h0068)

11 (6’h0B)

19 199

- 0.005

9 600

208 (16’h00D0)

21 (6’h15)

9 600

2 400

833 (16’h0341)

21 (6’h15)

2 400

1 200

1666 (16’h0682)

43 (6’h2B)

1 199

-0.083

300

6666

(16’h1A0A)

43 (6’h2B)

299

-0.333

110

18181

(16’h4705)

52 (6’h34)

110

3.9.2.3

Hardware flow control

The hardware flow controls feature is fully selectable through RTSEN and CTSEN in

UARTCR register, and allows to control the serial data flow by using the UART_RTS output

and UART_CTS input signals.

Figure 10: Hardware flow control between two similar devices

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