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SX8661 Datasheet(PDF) 62 Page - Semtech Corporation |
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SX8661 Datasheet(HTML) 62 Page - Semtech Corporation |
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62 / 88 page  ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision v3.2, January 2011 © 2011 Semtech Corp. www.semtech.com 62 SX8661 Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output 5.8 Mapping Parameters Mapping Parameters Address Name Bits Description 7:4 GPIO[7] Default: 0x0 0x3B MapAutoLight0 3:0 GPIO[6] Default: 0x7 7:4 GPIO[5] Default: 0x6 0x3C MapAutoLight1 3:0 GPIO[4] Default: 0x5 7:4 GPIO[3] Default: 0x4 0x3D MapAutoLight2 3:0 GPIO[2] Default: 0x3 7:4 GPIO[1] Default: 0x2 0x3E MapAutoLight3 3:0 GPIO[0] Default: 0x1 Defines the mapping between GPOs (with Autolight ON) and sensor events. 0x00: Btn0 or Proximity 0x01: Btn1 … 0x07: Btn7 0x08…0x0B: Reserved 0x0C: Group0 as defined by MapAutoLightGrp0 0x0D: Group1 as defined by MapAutoLightGrp1 0x0E: Reserved 0x0F: Reserved Several GPOs can be mapped to the same sensor event and will be controlled simultaneously. 0x3F MapAutoLightGrp0Msb 7:0 Reserved (0x00) 7 Btn7 6 Btn6 5 Btn5 4 Btn4 3 Btn3 2 Btn2 1 Btn1 0x40 MapAutoLightGrp0Lsb 0 Btn0 or Proximity Defines Group0 sensor events: 0: OFF 1: ON If any of the enabled sensor events occurs the Group0 event will occur as well. All sensors events within the group can be independently set. Default: 0x00 0x41 MapAutoLightGrp1Msb 7:0 Reserved (0x00) 7 Btn7 6 Btn6 5 Btn5 4 Btn4 3 Btn3 2 Btn2 1 Btn1 0x42 MapAutoLightGrp1Lsb 0 Btn0 or Proximity Defines Group1 sensor events: 0: OFF 1: ON If any of the enabled sensor events occurs the Group0 event will occur as well. All sensors events within the group can be independently set. Default: 0x00 Table 24 Mapping Parameters MapAutoLight0, MapAutoLight1, MapAutoLight2, MapAutoLight3 MapAutoLightGrp0Msb, MapAutoLightGrp0Lsb, MapAutoLightGrp1Msb, MapAutoLightGrp1Lsb These registers define the mapping between the GPO pins (with Autolight ON) and the sensor information which will control its ON/OFF state. The mapping can be done to a specific sensor event but also on groups (in this case any sensor event in the group will control the GPO). |
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