Datasheet > TSD1007RM12

TSD1007RM12

更新时间： 2022-08-22 09:44:25

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
16页	344K
描述
Resistive Multi Touch Screen Controller,韩国ADS触摸IC

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TSD1007RM12 数据手册

ADSemiconductor^®

TSD1007RM12 (Resistive Multi Touch Screen Controller)

2.2 SCL, SDA Implementation

VDD

R_SCL

R_SDA

SCL

SDA

SCL <<

SDA <<

SCL and SDA connect Pull-up resistance as above figure.

SDA as an Open Drain Port should connect Pull-up resistance, SCL as an Input Port can be

used by eliminating Pull-up resistance. (I2C slave address is 0xA0)

2.3 INT Implementation

VDD

R_INT

INT

INT <<

INT shall connect pull- up resistance as above figure.

INT as Open Drain Port works Low active when touching.

2.4 RESET Implementation

TSD1007RM12 has internal data latches. So, initial state of these latches must be reset by

external reset pulse before normal operation starts. The reset pulse can be controlled by host

MCU directly or other reset device. If not, the circuit should be composed as below figure. The

reset pulse must have high pulse duration about a few msec to cover power VDD rising time.

The recommended value of R_RSTand C_RSTare 330KΩ and 100nF.

VDD

After Power Stable

3.3V

C_RST

RESET <<

Power

Reset

R_RST

27.4us(Max) 20us(Min) 27.4us(Max)

Recommended reset circuits 1

Reset Timing Chart

ADSemiconductor Confidential

5 / 15

1...3 4 567 8 9...16

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