MMS-427中文资料触控芯片系列数据手册CELFRAS规格书

描述 Description

●嵌入式微处理器

●单片存储器

●专利的自容传感器

●低功耗

●双时钟源

●通信接口及I/O模式

●干扰环境下稳定工作
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特性 Features

1.产品技术介绍

1.1嵌入式微处理器

- 32 bit ARM CortexTM M0+Processor

- Wake-up interrupt controller

1.2单片存储器

- 48kbytes E-FLASH and 5kBytes SRAM

- ISC by serial interface, F/W can be updated in systems

1.3专利的自容传感器

- 40 Capacitive touch sensing channels

- Compensation scheme for external capacitance condition for each channel

- Proximity Sensing support up to 25mm ( Test condition : 30Φ conducted rod )

- Available for all sensing channels as GPIO

1.4低功耗

- 2.6V to 3.3V Single supply voltage input

- Active current : 4.0 mA @ 3.0V, 60Hz

- Idle current : 2.89 mA @ 3.0V, 30Hz

- Deep sleep current : < 3uA @ CE is “LOW”

1.5双时钟源

- RC feed-back oscillator type

- Internal main oscillator : 20/80 MHz

- Internal low-speed oscillator at 1 MHz for Low power mode

1.6通信接口及I/O模式

- I2C-compatible for Standard ( 100kbps ) / Fast ( 400kbps ) mode as Slave

- Available for Open-drain/Push-pull mode on GPIO pins

- Adjust INTR pin to Open-drain mode

- Available for CE pin as wake-up function

1.7干扰环境下稳定工作

- Immune to the AC charger noise

1.8封装

- UQFN 48ld 5×5×0.5T, 0.35mm lead pitch

1.9环境条件

- Operation temperature -30°C to +85°C