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PDF uCAM Data sheet ( Hoja de datos )
| Número de pieza | uCAM | |
| Descripción | JPEG Camera Module | |
| Fabricantes | 4D Systems | |
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Hay una vista previa y un enlace de descarga de uCAM (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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www.DataSheet4U.com
4D SYSTEMS
µCAM
Serial JPEG Camera Module
Data Sheet
Document Date: 25th January 2010
Document Revision: 3.0
© 2009 4D Systems
www.4dsystems.com.au
Page 1 of 23
1 page  
µCAM Serial JPEG Camera
1. Pin Configuration and Summary
wwwD.aDattaaSheSeht4eU.ecotm
Pin Symbol
2 VCC
3 GND
4 TX
5
1, 6, 7, 8
RX
NC
I/O Description
Main Voltage Supply +ve input pin.
P uCAM-TTL : 3.0V to 3.6V DC range nominal 3.3V.
UCAM-232 : 4.5V to 5.5V DC range, nominal 5.0V.
P Supply Ground.
Asynchronous Serial Transmit pin. Connect this pin to host controller
O Serial Receive (Rx) signal. The host receives data from uCAM via this
pin.
Asynchronous Serial Receive pin. Connect this pin to host controller
I Serial Transmit (Tx) signal. The host transmits commands to the uCAM
via this pin.
-- No Connect.
© 2009 4D Systems
www.4dsystems.com.au
Page 5 of 23
5 Page 
µCAM Serial JPEG Camera
wwwD.aDattaaSheSeht4eU.ecotm
4.6 RESET (AA08h)
The host can reset the uCAM by issuing this command.
4.6.1 Reset Type
00h Resets the whole system. The uCAM will reboot and reset all registers and state machines.
01h Resets the state machines only.
4.7 DATA (AA0Ah)
The uCAM issues this command to inform the host the type and the size of the image data which is ready
for transmitting to the host.
4.8.1 Data Type
Snapshot Picture
Preview (RAW) Picture
JPEG Preview Picture
01h
02h
05h
4.8.2 Length
These three bytes represent the length of data of the Picture that is ready for transmission back to the host.
4.8 SYNC (AA0Dh)
Either the host or the uCAM module can issue this command to make a connection. The ACK command
must be sent out after receiving this command. Refer to Section 5.2 for more details.
4.9 ACK (AA0Eh)
This command indicates the success of the last operation. After receiving any valid command, the ACK
command must be sent out except when getting preview data. The host can issue this command to request
image data package with the desired package ID after receiving the DATA command from the uCAM. The
host should send this command with package ID F0F0h after receiving a package to end the package
transfer.
Note: the field “command ID” should be 00h when request is for image data package.
4.10.1 Command ID
The command with that ID is acknowledged by this command.
4.10.2 ACK Counter
For debug only.
4.10.3 Package ID
For acknowledging the DATA command, these two bytes represent the requested package ID. For
acknowledging other commands, these two bytes are set to 00h.
© 2009 4D Systems
www.4dsystems.com.au
Page 11 of 23
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| PDF Descargar | [ Datasheet uCAM.PDF ] | |
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