4D SYSTEMS

µCAM-II

© 2014 4D SYSTEMS

Page 10 of 22

www.4dsystems.com.au

6.5. SET BAUD RATE (AA07h)

The host can set the Baud rates using this command. Use the table below as a guide.

6.5.1. Baud Rates

Baud Rate

2400

31 (0x1F)

47 (0x2F)

4800

31 (0x1F)

23 (0x17)

9600

31 (0x1F)

11 (0x0B)

19200

31 (0x1F)

5

38400

31 (0x1F)

2

57600

31 (0x1F)

1

115200

31 (0x1F)

0

153600

7

2

230400

7

1

460800

7

0

921600

1

1

1228800

2

0

1843200

1

0

3686400

0

0

Note: 3686400 baud is not achievable using the 4D programming cable or the PA5 due to the USB to Serial IC’s

used. To utilise this high speed baud rate, please check your serial port/device can handle this baud rate.

6.6. RESET (AA08h)

The host can reset the uCAM-II by issuing this command.

6.6.1. Reset Type

00h

Resets the whole system. The uCAM-II will reboot and reset all registers and state machines.

01h

Resets the state machines only.

6.7. DATA (AA0Ah)

The uCAM-II issues this command to inform the host the type and the size of the image data which is ready for

transmitting to the host.

6.7.1. Data Type

Snapshot Picture

01h

RAW Picture

02h

JPEG Picture

05h

6.7.2. Length

These three bytes represent the length of data of the Picture that is ready for transmission back to the host.

6.8. SYNC (AA0Dh)

The host issues this command to make a connection. The ACK command must be received after sending this

command. Refer to Section 5.2 for more details.