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参数资料
| 型号： | STMPE2401TBR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 24 I/O, PIA-GENERAL PURPOSE, PBGA36 |
| 封装： | LEAD FREE, TFBGA-36 |
| 文件页数： | 13/55页 |
| 文件大小： | 959K |
| 代理商： | STMPE2401TBR |
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System controller
STMPE2401
20/55
7.3
States of operation
The device has three main modes of operation:
●
Operational Mode: This is the mode, whereby normal operation of the device takes
place. In this mode, the RC clock is available and the Main FSM Unit routes this clock
and the 32 KHz clock to all the device blocks that are enabled. In this mode, individual
blocks that need not be working can be turned off by the master by programming the
bits 3 to 0 of the SYSCON register.
●
Sleep Mode: In this low-power mode, the RC Oscillator is powered down. All the blocks
which need clocks derived from the 32KHz clock will continue getting a 32KHz clock. In
this mode also, individual blocks can be turned off by the master by programming the
bits 3 to 0 of the SYSCON register. However, the master needs to program the
SYSCON register before coming into this mode, as in the sleep mode, the IIC interface
is not active except to detect traffic for wakeup. Any activity on the I2C port or Wakeup
pin or Hotkey activity will cause the device to leave this mode and go into the
Operational mode. When leaving this mode, the I2C will need to hold the SCLK till the
RC clock is ready.
●
Hibernate Mode: This mode is entered when the system writes a ‘1’ to bit 5 of the
SYSCON register. In this mode, the device is completely inactive as there is absolutely
no clock. Only a Reset or a wakeup on IIC will bring back the System to operational
mode. All I2C activities are ignored.
Caution:
Hotkey detection is not possible in hibernate mode.
Figure 5.
State of operation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STMPE2403 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:24-bit Enhanced port expander with Keypad and PWM controller Xpander logic |
| STMPE2403TBR | 功能描述:接口 - 专用 24-bit Enhanced RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| STMPE24M31QTR | 功能描述:电容触摸传感器 S-Touch 24 Cap Sens 15fF 512 Steps 30pF RoHS:否 制造商:Microchip Technology 电源电压: 通道数量: 封装 / 箱体: 尺寸: 温度范围: |
| STMPE321 | 制造商:STMicroelectronics 功能描述:3-channel touchkey controller |
| STMPE321QTR | 功能描述:触摸屏转换器和控制器 3-channel CAP Touch Key Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
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