Intertec Data Systems ITV-GECWV407M Скачать руководство пользователя

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Specification

Item

Specification

Remark

Pixel Size

PAL:628 x 582 / NTSC:510 x 492

NTSC default

Image Sensor

1/5

”

CMOS sensor OV7740

Baud Rate

9.6Kbps~115.2Kbps

115.2Kbps default

Output

TTL

Video Output

VGA & 60fps

p-p

Operating Voltage

3.3V±10%

Working Current

110 mA

Lens

Construction: 4P+IR filter

Effective Focal Length:3.27mm

F#:2.5

FOV:58°

Distortion <1.0%

Relative illumination: 60% Ø3.44

Operating Temp.

-20°C

～

+60°C

Содержание ITV-GECWV407M

Страница 1: ... visible the doorbell camera phones digital image records industry control access control etc Users can send out a snapshot command from the host in order to capture a full resolution single frame still picture The picture is then compressed by the JPEG engine and transferred to the host Feature 1 Small size 28mm x 20mm L x W 2 0 3M CMOS ensor VGA resolution down sample to QVGA 3 Video out VGA 60f...

Страница 2: ...Components GmbH Erdinger Str 45 85356 Freising www intertec org 2 Block Diagram Board Layout Pin Function The default socket is 4 pins we will not assemble the fifth pin Video out unless user specify 1 Lens Structure ...

Страница 3: ...2 NTSC 510 x 492 NTSC default Image Sensor 1 5 CMOS sensor OV7740 Baud Rate 9 6Kbps 115 2Kbps 115 2Kbps default Output TTL Video Output VGA 60fps 1Vp p Operating Voltage 3 3V 10 Working Current 110 mA Lens Construction 4P IR filter Effective Focal Length 3 27mm F 2 5 FOV 58 Distortion 1 0 Relative illumination 60 Ø3 44 Operating Temp 20 C 60 C ...

Страница 4: ...rst connection host can change the baud rate to other supported values 1 2 Single Byte Timing Diagram A single byte RS 232 transmission consists of one start bit 8 bit contents and one stop bit A start bit is always 0 while a stop bit is always 1 LSB is sent out first and is right after the start bit Figure 5 RS232 communications single byte timing diagram 1 3 Command Timing Diagram A single comma...

Страница 5: ...RATE Set serial baud rate SET SAMPLESIZE Set image size VGA QVGA SET COMPRESSRATIO Set image compressed rate COM REPLY Host will get reply command from JC409M W01 Table 1 command summary 1 5 Command format Protocol sign 1byte Serial No 1byte Command 1byte Data length 1byte Control data nbytes Protocol sign This one byte field indicates the transmitting mode of the command Protocol sign value defin...

Страница 6: ...ION 56h 00h 11h 00h Don t care SYSTEM RESET 56h 00h 26h 00h Don t care FBUF CTRL 56h 00h 36h 01h To know data vaule of this field please refer to the following sections GET FBUF LEN 56h 00h 34h 01h READ FBUF 56h 00h 32h 0Ch SET BAUDRATE 56h 00h 31h 06h To know data vaule of this field please refer to the following sections SET SAMPLESIZE 56h 00h 31h 05h SET COMPRESSRATIO 56h 00h 31h 05h COM REPLY ...

Страница 7: ... REPLY 76 00 26 00 00 after about ten milliseconds ITV GECWV407M is going to restart About 2s later JC409M W01 works normally as usual 1 6 3 FBUF CTRL command The FBUF CTRL command is used to stop current frame image data update in frame buffer in order to get current frame still image 1 6 3 1 Command format 56 00 36 01 P1 where P1 one byte is the control parameter of video frame buffer Table 4 li...

Страница 8: ...LEN command The GET FBUF LEN command is used to get size of current frame still image in frame buffer 1 6 4 1 Command format 56 00 34 01 00 1 6 4 2 COM REPLY 76 00 34 00 04 P2 where P2 4 bytes is the size of image data which host wants to get 1 6 4 3 Communication protocol 1 6 5 READ FBUF command FBUF CTRL 56 00 36 01 00 COM REPLY 76 00 36 00 00 Stop at current frame GET FBUF LEN 56 00 34 01 00 CO...

Страница 9: ... time unit is 0 01 millisecond For example P4 10 00 delay time is 10 milliseconds 1 6 5 2 COM REPLY 76 00 32 00 00 P5 76 00 32 00 00 where P5 n bytes is the image data which host wants to get n is equal to P3 in this case 1 6 5 3 Communication protocol Note Before sending this command users should issue GET FBUF LEN command to get the image size first READ FBUF 56 00 32 0C 00 0A 00 00 00 00 00 00 ...

Страница 10: ...tion value 9600 0xAEC8 19200 0x56E4 38400 0x2AF2 57600 0x1C4C 115200 0x0DA6 default Table 5 Baud rate relationship 1 6 6 2 COM REPLY 76 00 31 00 00 1 6 6 3 Communication protocol 1 6 7 SET SAMPLESIZE command The host issues this command to set the sample size of image image resolution 1 6 7 1 Command format 56 00 31 05 04 01 00 19 P7 where P7 1 byte is the configuration value of image sample size ...

Страница 11: ...te of the image 1 6 8 1 Command format 56 00 31 05 04 01 00 1A P8 where P8 1 byte is the configuration value of image compression ratio This compression ratio value is ranged from 0x00 to 0xFF The bigger the value is the higher the compression ratio Default compression ratio is 0x35 1 6 8 2 COM REPLY 76 00 31 00 00 1 6 8 3 Communication protocol SET SAMPLE SIZE 56 00 31 05 04 01 00 19 11 COM REPLY...

Страница 12: ...st sent is executed well or in order to transmit the data which the host wants to get About all cases of COM REPLY command please refer to the above commands sections NOTE When the host issues SET BAUDRATE command SET SAMPLE SIZE command or SET COMPRESS RATIO command the system needs to restart to take effect These parameters are stored into camera module s built in EEPROM So next time module boot...

Страница 13: ...TRL command to resume normal video state No for 3 times Send GET PBUF command and be ready to get image data Get image data loop Send FBUF CTRL command to stop frame buffer SYSTEM RESET Wait for 1000ms N Y Connect camera module at new baud rate SYSTEM RESET Set BAUD RATE Set SAMPLE SIZE Set COMPRESS RATIO Needs to change EEPROM parameters baud rate image resolution compress ratio Camera module pow...

Страница 14: ...o SET BAUD RATE 56 00 31 06 04 02 00 08 1C 4C COM REPLY 76 00 31 00 00 Set UART baud rate 57600bps SET SAMPLE SIZE 56 00 31 05 04 01 00 19 11 Set image format size to QVGA COM REPLY 76 00 31 00 00 SET COMPRESSIONRATIO 56 00 31 05 04 01 00 1A 50 COM REPLY 76 00 31 00 00 Set image compression ratio to 0x50 SYSTEM RESET 56 00 26 00 COM REPLY 76 00 26 00 00 Delay 2000ms FBUF CTRL 56 00 36 01 00 COM RE...

Страница 15: ...rame size is 25D4 h READ FBUF 56 00 32 0C 00 0A 00 00 00 00 00 00 25 D4 10 00 COM REPLY 76 00 32 00 00 Get image data starting command Image data Get image data size 25D4h COM REPLY 76 00 32 00 00 Get image data ending command Image size is 0x012C00 data delay time is 1000 01 10ms FBUF CTRL 56 00 36 01 03 COM REPLY 76 00 36 00 00 Resume normal video state ...

Страница 16: ...0 00 00 00 01 02 03 04 05 06 07 08 09 0A 0B 10 00 02 01 03 03 02 04 03 05 05 04 04 00 00 01 7D 01 02 03 00 04 11 05 12 21 31 41 06 13 51 61 07 22 71 14 32 81 91 A1 08 23 42 B1 6F C2 90 8C 99 10 C6 E5 1B A8 AB 76 77 38 22 39 0F 1F C2 69 8C BF 54 6E EC F2 4C 91 0E 7B AD 21 12 5A D9 88 B0 F2 61 9F B7 A0 AB 74 0C 28 A0 42 D1 40 10 5C CE 61 50 42 16 CF E5 51 5D 28 9E 01 2C 64 9C 73 8C FF 00 9E 68 00 CF...

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