SC68C752B datasheet(19/49 Pages) PHILIPS

Part #	SC68C752B

Description	5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola uP interface

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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19 / 49 page

SC68C752B_3

Product data sheet

Rev. 03 — 29 November 2005

19 of 49

Philips Semiconductors

SC68C752B

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs

Table 8:

Baud rates using a 1.8432 MHz crystal

Desired baud rate

Divisor used to generate

× clock

Percent error difference

between desired and actual

2304

1536

110

1047

0.026

134.5

857

0.058

150

768

300

384

600

192

1200

1800

2000

0.69

2400

3600

4800

7200

9600

19200

38400

56000

2.86

Table 9:

Baud rates using a 3.072 MHz crystal

Desired baud rate

Divisor used to generate

× clock

Percent error difference

between desired and actual

2304

2560

110

1745

0.026

134.5

1428

0.034

150

1280

300

640

600

320

1200

160

1800

107

0.312

2000

2400

3600

0.628

4800

7200

1.23

9600

19200

38400

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