參數(shù)資料
型號(hào)： VV6404C001
廠商： 意法半導(dǎo)體
英文描述： Mono and Colour Digital Video CMOS Image Sensors
中文描述： 莫諾和數(shù)字視頻彩色CMOS圖像傳感器
文件頁(yè)數(shù)： 28/54頁(yè)
文件大?。?/td> 786K
代理商： VV6404C001
VV5404 & VV6404
CD5404-6404F-A
28/54
5.4
All serial interface communications with the sensor must begin with a startcondition. If the start condition is followed
by a valid address byte then further communications can take place. The sensor will acknowledge the receipt of a
valid address by driving the sda wire low. The state of the read/~writebit (lsb of the address byte) is stored and the
next byte of data, sampled from sda, can be interpreted.
During a write sequence the second byte received is an address index and is used to point to one of the internal
registers. The msbit of the following byte is the index auto increment flag. If this flag is set then the serial interface will
automatically increment the index address by one location after each slave acknowledge. The master can therefore
send data bytes continuously to the slave until the slave fails to provide an acknowledge or the master terminates the
write communication with a stopcondition or sends a repeated start (Sr) If the auto increment feature is used the
master does not have to send indexes to accompany the data bytes.
As data is received by the slave it is written bit by bit to a serial/parallel register. After each data byte has been
received by the slave, an acknowledge is generated, the data is then stored in the internal register addressed by the
current index.
During a read message, the current index is read out in the byte following the device address byte. The next byte read
from the slave device are the contents of the register addressed by the current index. The contents of this register
are then parallel loaded into the serial/parallel register and clocked out of the device by scl.
At the end of each byte, in both read and write message sequences, an acknowledge is issued by the receiving
device. Although VV5404 and VV6404 is always considered to be a slave device, it acts as a transmitter when the
bus master requests a read from the sensor.
At the end of a sequence of incremental reads or writes, the terminal index value in the register will be one greater
the last location read from or written to. A subsequent read will use this index to begin retrieving data from the internal
registers.
A message can only be terminated by the bus master, either by issuing a stop condition, a repeated start condition
or by a negative acknowledge after reading a complete byte during a read operation.
Message Interpretation
S
address[7:1]
0 0 1 0 0 0 0
R
/
W
bit
A
DATA[7:0]
A
Sensor acknowledges valid address
Acknowledge from slave
INDEX[6:0]
INC
P
A
A
DATA[7:0]
[0]
address
Auto increment
Index bit
Figure 18 : Serial Interface Data Format
相關(guān)PDF資料
PDF描述
VV6404C001-B2 WIRE
VN06(011Y) Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:White/Black; Cable/Wire MIL SPEC:MIL-W-76C Type MW; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes
VN21(011Y) Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:White/Green; Cable/Wire MIL SPEC:MIL-W-76C Type MW; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes
VN30N(011Y) Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:White/Yellow; Cable/Wire MIL SPEC:MIL-W-76C Type MW; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes
VN31(011Y) Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:White/Blue; Cable/Wire MIL SPEC:MIL-W-76C Type MW; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VV6404C001-B2 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Mono and Colour Digital Video CMOS Image Sensors
VV6410 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CHIPSET
VV6410C036 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Mono and Colour Digital Video CMOS Image Sensors
VV6411 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CO-PROCESSOR
VV6411C036 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CO-PROCESSOR
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