B&B Electronics Command Response Protocol HVD100A3 Manuel d'utilisateur télécharger pdf (Page 11)

HDV100A3 Command & Response Manual 7 Cover Page

B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5104

Setting Baud 1, Baud 2

Baud Rate Setup Table

Baud

Rate

Decimal

Divisor

Hex Divisor MSB

(Baud 2)

Hex Divisor LSB

(Baud 1)

9600

$00

$30

14400

$00

$20

19200

$00

$18

38,400

$00

$0C

57,600

$00

$08

115,200

$00 (default)

$04 (default)

230,400

$00

$02

460,800

$00

$01

All baud rates are entered as hex numbers. To calculate your own

decimal divisor use the following formula. The decimal number must be

converted to hexadecimal before entering the number. Baud rates below

9,600 are not recommended because of the difference in speed between the

vehicle bus and PC serial port.

The UART clock = 7,372,800 Hz

Decimal Divisor = Clock frequency ( 7,372,800)

Baud output x 16

If you want a baud rate of 9,600 baud

Decimal Divisor = 7,372,800

9,600 x 16

Decimal Divisor = 48 = 30 hex

Baud 1= 30

Baud 2= 00

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 30 31

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B&B Electronics Command Response Protocol HVD100A3 Manuel d'utilisateur Page 11

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