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SX8661 bảng dữ liệu(PDF) 29 Page - Semtech Corporation

tên linh kiện SX8661
Giải thích chi tiết về linh kiện  Low Power, Capacitive Button Touch and Proximity Controller
PDF  88 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661 bảng dữ liệu(HTML) 29 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v3.2, January 2011
© 2011 Semtech Corp.
www.semtech.com
29
SX8661
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
During the power on period the SX8661 stabilizes the internal regulators, RC clocks and the firmware initializes all
registers.
During the power up the SX8661 is not accessible and I2C communications are forbidden.
As soon as the INTB rises the SX8661 will be ready for I2C communication.
3.17.2 RESETB
When RESETB is driven low the SX8661 will reset and start the power up sequence as soon as RESETB is
driven high or pulled high.
In case the user does not require a hardware reset control pin then the RESETB pin can be connected to VDD.
Figure 26
Hardware Reset
3.17.3 Software Reset
To perform a software reset the host needs to write 0xDE followed by 0x00 at the SoftReset register at address
0xB1.
Figure 27
Software Reset



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