參數(shù)資料
型號(hào): QT60240-ISG QS130
廠商: Atmel
文件頁數(shù): 8/26頁
文件大?。?/td> 0K
描述: SENSOR IC MTRX TOUCH24KEY 32-QFN
標(biāo)準(zhǔn)包裝: 1
系列: QMatrix™
類型: 電容性
輸入數(shù)/鍵: 24
分辨率(位): 10 b
評(píng)估套件: 可供
數(shù)據(jù)接口: I²C,串行,SPI?
電壓基準(zhǔn): 外部
電源電壓: 1.8V,3.3V,5V
電流 - 電源: 4.6mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN(5x5)
包裝: 剪切帶 (CT)
其它名稱: 427-1126-1
5.6 Combining Address and Data Packets
Into a Transmission
A transmission consists of a START condition, an SLA+R/W,
one or more data packets 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.
Figure 5.6 shows a typical data transmission. Note that
several data bytes can be transmitted between the SLA +R/W
and the STOP.
lQ
16
QT60240-ISG R8.06/0906
Figure 5.5 Data Packet Format
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
Figure 5.6 Packet Transmission
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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