VS6624Q0KP STMicroelectronics, VS6624Q0KP Datasheet - Page 42

• Manufacturer Part Number: VS6624Q0KP
• Description: Display Modules & Development Tools CAMERA MODULE SINGLE CHIP 1.3MEGA
• Manufacturer: STMicroelectronics

Specifications of VS6624Q0KP

• Description/function: Camera Module
• Interface Type: Two-Wire Serial
• Data Bus Width: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Host communication - I²C control interface
10.10
Figure 28. 16-bit index, 8-bit data random index, single data read
10.11
Figure 29. 16-bit index, 8-bit data multiple location write
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S
‘0’ (Write)
S
‘0’ (Write)
DEV ADDR R/W A
DEV ADDR R/W A
From Slave to Master
From Master to Slave
From Slave to Master
From Master to Slave
Random location, single data read
When a location is to be read, but the value of the stored index is not known, a write
message with no data byte must be written first, specifying the index. The read message
then completes the message sequence. To avoid relinquishing the serial to bus to another
master a repeated start condition is asserted between the write and read messages.
As mentioned in the previous example, the read message is terminated with a negative
acknowledge (A) from the master.
Multiple location write
For messages with more than 1 data byte the internal register index is automatically
incremented for each byte of data output, making it possible to write data bytes to
consecutive adjacent internal registers without having to send explicit indexes prior to
sending each data byte.
Previous Index Value, K
Previous Index Value, K
No Data Write
INDEX[15:8]
INDEX[15:8]
DATA
DATA
INDEX[15:0]
INDEX[15:0]
S = START Condition
Sr = repeated START
P = STOP Condition
value, M
value, M
S = START Condition
Sr = repeated START
P = STOP Condition
A
A
INDEX[7:0]
INDEX[7:0]
DATA
DATA
A
A
Sr
‘1’ (Read)
Index M
DATA[7:0]
DATA[7:0]
DEV ADDR R/W A
DATA
A = Acknowledge
A = Negative Acknowledge
A = Acknowledge
A = Negative Acknowledge
N Bytes of Data
A
Index M
Data Read
Index (M + N - 1)
DATA[7:0]
DATA[7:0]
DATA[7:0]
DATA[7:0]
DATA
DATA
VL6624/VS6624
A/A
A
P
P