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SX8663 データシート(PDF) 55 Page - Semtech Corporation

部品番号 SX8663
部品情報  Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output
PDF  64 Pages
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メーカー  SEMTECH [Semtech Corporation]
ホームページ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8663 データシート(HTML) 55 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
Rev5 4
th August 2011
© 2011 Semtech Corp.
www.semtech.com
55
SX8663
Capacitive Button Matrix (up to 36) and Proximity Controller
with Individual LED Drivers and Buzzer Output
Address
Name
Bits
Description
7
Proximity Status
0 : Far
1 : Close
6
Priority Key Status
0 : not touched
1 : touched
0x01
CapStatKeys
5:0
Matrix Keys Status
0x00: no touch on matrix
0x01: key1 (MK1) is touched
0x02: key2 (MK2) is touched
…
0x24: key36 (MK36) is touched
If several matrix buttons are touched only the first one is reported.
Cf figure below for MK mapping/numbering vs CAPx pins
Table 18
I2C Cap status
Figure 50
Matrix Keys Mapping
Address
Name
Bits
Description
7:4
reserved
0x08
SpmStat
3
NvmValid
Indicates if the current NVM is valid.
0: No – QSM is used
1: Yes – NVM is used



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