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參數(shù)資料
| 型號： | STMPE801MTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 3/26頁 |
| 文件大小： | 399K |
| 代理商： | STMPE801MTR |
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STMPE801
I2C module
11/26
5.3
Start condition
A Start condition is identified by a falling edge of SDATA while SCLK is stable at high state.
A Start condition must precede any data/command transfer. The device continuously
monitors for a Start condition and will not respond to any transaction unless one is
encountered.
5.4
Stop condition
A Stop condition is identified by a rising edge of SDATA while SCLK is stable at high state.
A Stop condition terminates communication between the slave device and bus master. A
read command that is followed by NoAck can be followed by a Stop condition to force the
slave device into idle mode. When the slave device is in idle mode, it is ready to receive the
next I2C transaction. A Stop condition at the end of a write command stops the write
operation to registers.
5.5
Acknowledge bit
The acknowledge bit is used to indicate a successful byte transfer. The bus transmitter
releases the SDATA after sending eight bits of data. During the ninth bit, the receiver pulls
the SDATA low to acknowledge the receipt of the eight bits of data. The receiver may leave
the SDATA in high state if it would to not acknowledge the receipt of the data.
5.6
Data input
The device samples the data input on SDATA on the rising edge of the SCLK. The SDATA
signal must be stable during the rising edge of SCLK and the SDATA signal must change
only when SCLK is driven low.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STMPE801QTR | 功能描述:接口-I/O擴(kuò)展器 8B port expander Xpander logic RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| STMPE811 | 制造商:STMicroelectronics 功能描述:Controller with 8-bit GPIO expander |
| STMPE811_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit port expander with advanced touchscreen controller |
| STMPE811_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced resistive touch screen controller with 8-bit GPIO expander |
| STMPE811QTR | 功能描述:接口-I/O擴(kuò)展器 8-BIT PORT EXPANDER W/ADV TOUCHSCREEN RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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