SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 43
SX8661I07AULTRT
Manufacturer Part Number
SX8661I07AULTRT
Description
IC, Capacitive Button Touch And Proximity Controller, 8 SENSOR, MLPQ-28
Manufacturer
Semtech
Datasheet
1.SX8661I07AULTRT.pdf
(88 pages)
Specifications of SX8661I07AULTRT
Controller Type
Capacitive Touch Screen
Ic Interface Type
I2C
Supply Voltage Range
2.7V To 3.6V
Operating Temperature Range
-40°C To +85°C
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ADVANCED COMMUNICATIONS & SENSING
5 D
5.1 Introduction
The SX8661 configuration parameters are taken from the QSM or the NVM and loaded into the SPM as explained
in the chapter ‘functional description’.
This chapter describes the details of the configuration parameters of the SX8661.
The SPM is split by functionality into 5 configuration sections:
The total address space of the SPM and the NVM is 128 bytes, from address 0x00 to address 0x7F.
Two types of memory addresses, data are accessible to the user.
• ‘application data’: Application dependent data that need to be configured by the user.
• ‘reserved’: Data that need to be maintained by the user to the QSM default values (i.e. when NVM is burned).
The Table 12 and Table 13 resume the complete SPM address space and show the ‘application data’ and
‘reserved’ addresses, the functional split and the default values (loaded from the QSM).
Revision v3.2, January 2011
• General section: operating modes,
• Capacitive Sensors section: related to lower level capacitive sensing,
• Proximity: defining parameters related to proximity sensing
• Button: related to the conversion from sensor data towards button information,
• AOI: defining parameters for the AOI
• Buzzer: defining parameters for the AOI
• Mapping: related to mapping of button information towards GPIO pins,
• GPIO: related to the setup of the GPIO pins.
ETAILED
C
ONFIGURATION DESCRIPTIONS
Low Power, Capacitive Button Touch and Proximity Controller
© 2011 Semtech Corp.
43
(8 sensors) with LED Drivers and Analog Output
www.semtech.com
DATASHEET
SX8661
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