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Touch Sensor IC - High Noise Immunity

eKTF5832

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一般描述

特征

CPU configuration

12k×15 bits on-chip ROM

1072 bytes SRAM

16-level stacks for subroutine nesting

3 programmable Level Voltage Reset
(LVR) 3.5V, 2.8V, 2.4V

4 programmable Level Voltage Detector (LVD) 4V, 3.2V, 2.8V, 2.5V

Four CPU operating modes: Normal, Sleep, Green, and IDLE

Operating Frequency:

IRC mode:
Main Oscillator: 1M/4M/8M/12M/16 MHz
Sub Oscillator: 16k/32k

Touch Operating Voltage Range:

2.8~5.5V with IC LDO

2.0~5.5V without IC LDO

Peripheral Configuration:

8-bit real time clock/counter (TCC) with selective signal sources (Fm/Fs)

ERC mode : DC~16MHz @ 5V~5.5V ; DC~8MHz@ 3V~5.5V ; DC~4MHz @ 2.3V~5.5V

Three Pulse Width Modulation (PWMA/PWMB/PWMC) with 16-bit

2-channel Digital-to-Analog Converter for 256 steps

I2C Slave Interface

SPI function:

High EFT immunity (4KV)

Touch Button / Slider Sensor:

Power-on time: Stable operating time
< 40ms

Reliable cover thickness:

Type Min. ~ Max. Unit
clock

Plastic 1~8 mm

Glass 1~10 mm

Note: Under 15x15mm pad size is recommended

Supports protocol operation mode

Protocol Mode:

Mode	Power Consumpt'n	Note
AM	3.5mA	@3.3V
LAM	< 15µA*	Dependent on user’s setting
LSM	< 15µA*	Dependent on user’s setting
Sleep	< 1µA	Only IC

Interface features: Standard I2C @100K bps,
Fast @400K bps

Operating/Sleep current: (@ 3.3V 8 MHz)

* These parameters are based on IDLE time setting

Number of Sensors:

eKTF5832 QFN32 : 24

eKTF5832 SOP28/ SSOP28 : 20

eKTF5832 QFN24 /SOP24: 16

Package Type:

32 QFN 5x5x0.8mm : eKTF5832 QN32

24 QFN 4x4x0.8mm : eKTF5832 QN24

28 SOP 300mil : eKTF5832 SO28

28 SSOP 209mil : eKTF5832 SSO28

24 SOP 300mil : eKTF5832 SO24