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參數資料
| 型號： | STMPE24M31QTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, QCC40 |
| 封裝： | 5 X 5 MM, 0.40 MM PITCH, ROHS COMPLAINT, QFN-40 |
| 文件頁數： | 1/83頁 |
| 文件大?。?/td> | 1025K |
| 代理商： | STMPE24M31QTR |
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February 2010
Doc ID 16174 Rev 2
1/83
83
STMPE16M31
STMPE24M31
S-Touch 16/24-channel touchkey controller
with PWM and ratio engines
Features
■ Up to 24 capacitive sensor inputs
■ Independent and configurable automatic
calibration on all channels
■ 15 fF resolution, 512 steps with 30 pF auto-
tuning
■ Up to 30 pF external reference capacitor
■ 2 units of 8-input ratiometric engines
supporting 256 steps slider/wheel
■ PWM and GPIO:
– Up to 16 general purpose inputs/outputs
– 8 independent PWM controllers, up to 16
PWM outputs
– 12 mA sourcing/sinking on GPIO for LED
driving (at 3.3 V VIO)
– Maximum source/sink current 120 mA
■ Operating voltage:
–1.65 - 1.95 V (VCC, internally supplied)
–2.7- 5.5 V(VIO)
■ Low operating current: 400 A in active mode,
50 A in sleep mode and 5 A in hibernate
mode
■ I2C interface (up to 400 kHz). I2C is 3.3 V
tolerant
■ 8 kV HBM ESD protection on all sensing pins
Applications
■ Multimedia bars in notebook computers
■ Portable media players and game consoles
■ Mobile phones and smartphones
Description
The STMPE16M31 and STMPE24M31 capacitive
touchkey controllers offer highly versatile and
flexible capacitive sensing capabilities in one
single chip.
The devices integrate up to 24 capacitive sensing
channels which are highly sensitive and noise
tolerant. Two units of hardwired ratiometric
engines enable the implementation of a
slider/wheel without external computations. Eight
independent PWM controllers allow to control up
to 16 LEDs with brightness control, ramping and
blinking capabilities. The I2C interface supports
up to 400 kHz communication with the system
host. A very wide dynamic range allows most
applications to work without hardware tuning.
A single STMPE24M31 device can be used to
implement a complete notebook multimedia
control bar with eight capacitive touchkeys, an 8-
channel slider with 256 steps resolution and eight
independently controlled LED.
QFN40
(5 x 5 mm)
QFN32
(4 x 4 mm)
Table 1.
Device summary
Order code
Package
Packaging
STMPE24M31QTR
QFN40 (5 x 5 mm)
Tape and reel
STMPE16M31QTR
QFN32 (4 x 4 mm)
Tape and reel
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相關代理商/技術參數 |
參數描述 |
|---|---|
| STMPE321 | 制造商:STMicroelectronics 功能描述:3-channel touchkey controller |
| STMPE321QTR | 功能描述:觸摸屏轉換器和控制器 3-channel CAP Touch Key Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| STMPE610 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:S-Touch?: advanced touchscreen controller with 6-bit port expander |
| STMPE610QTR | 功能描述:觸摸屏轉換器和控制器 Touch screen ctrl w/ 6-bit port expand RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| STMPE801 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit port expander Xpander logic |
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