sx8644 Semtech Corporation, sx8644 Datasheet - Page 41

• Manufacturer Part Number: sx8644
• Description: Ultra Low Power, Capacitive Button And Slider Touch Controller 12 Sensors With Enhanced Led Drivers
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
5.2 General Parameters
Revision 7_3, January 10
General Parameters
Address
0x04
0x05
0x06
0x07
Name
I2CAddress
ActiveScanPeriod 7:0
DozeScanPeriod
PassiveTimer
Bits
7
6:0
7:0
7:0
Description
Reserved
Defines the I2C address.
The default value 0x00 defines the address 0x2B.
All other values define directly the I2C address
The I2C address will be active after a reset.
Active Mode Scan Period (Figure 7)
0x00: Reserved
0x01: 15ms
0x02: 30ms (default)
…
0xFF: 255 x 15ms
Doze Mode Scan Period (Figure 7)
0x00: Reserved
0x01: 15ms
…
0x0D: 195ms (default)
…
0xFF: 255 x 15ms
Passive Timer on Button and Slider Information (Figure 8)
0x00: OFF (default)
0x01: 1 second
…
0xFF: 255 seconds
Table 14
Touch Controller (12 sensors) with Enhanced LED Drivers
© 2009 Semtech Corp.
General Parameters
41
Ultra Low Power, Capacitive Button and Slider
DATASHEET
www.semtech.com
SX8644