参数资料
型号: QT60240-ISG QS130
厂商: Atmel
文件页数: 8/26页
文件大小: 0K
描述: SENSOR IC MTRX TOUCH24KEY 32-QFN
标准包装: 1
系列: QMatrix™
类型: 电容性
输入数/键: 24
分辨率(位): 10 b
评估套件: 可供
数据接口: I²C,串行,SPI?
电压基准: 外部
电源电压: 1.8V,3.3V,5V
电流 - 电源: 4.6mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN(5x5)
包装: 剪切带 (CT)
其它名称: 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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