sx8661 Semtech Corporation, sx8661 Datasheet - Page 43
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sx8661
Manufacturer Part Number
sx8661
Description
Low Power, Capacitive Button Touch And Proximity Controller 8 Sensors With Led Drivers And Analog Output
Manufacturer
Semtech Corporation
Datasheet
1.SX8661.pdf
(88 pages)
- Current page: 43 of 88
- Download datasheet (2Mb)
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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