參數(shù)資料
型號: AT42QT1070-SSU
廠商: ATMEL CORP
元件分類: 速度傳感器和接近開關(guān)
英文描述: PROXIMITY SENSOR-CAPACITIVE, 0.6-2.6V, RECTANGULAR, SURFACE MOUNT
封裝: 0.150 INCH, ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 27/38頁
文件大?。?/td> 509K
代理商: AT42QT1070-SSU
33
9596A–AT42–10/10
AT42QT1070
Figure A-5.
Data Byte Format
A.6
Combining Address and Data Bytes into a Transmission
A transmission consists of a START condition, an SLA+R/W, one or more data bytes and a
STOP condition. The wired “ANDing” of the SCL line is used to implement handshaking between
the host and the device. The device extends the SCL low period by pulling the SCL line low
whenever it needs extra time for processing between the data transmissions.
Note: Each write or read cycle must end with a stop condition. When reading, a repeated
START is allowed. So S, SLA+W, A, S, SLA+R, A, DATA1, A,......,DATAx, /A, P can be sent.
Figure 6-1 shows a typical data transmission. Note that several data bytes can be transmitted
between the SLA+R/W and the STOP.
Figure 6-1.
Byte Transmission
SCL from
Master
SLA+R/W
12
7
8
9
SDA from
Transmitter
Aggregate
SDA
Data MSB
Data LSB
ACK
Data Byte
SDA from
Receiver
STOP or
Next Data Byte
12
7
8
9
12
7
8
9
Data MSB
Data LSB
ACK
Data Byte
STOP
SDA
SCL
Addr MSB
Addr LSB
R/W
ACK
START
SLA+R/W
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