SX8645I05AWLTRT Semtech, SX8645I05AWLTRT Datasheet - Page 6

• Manufacturer Part Number: SX8645I05AWLTRT
• Description: 12-ch Capacitive Touch Solution (Button & Wheel)
• Manufacturer: Semtech

ADVANCED COMMUNICATIONS & SENSING
1.4 Simplified Block Diagram
The simplified block diagram of the SX8645 is illustrated in Figure 3.
1.5 Acronyms
ASI
DCV
GPI
GPO
GPP
MTP
NVM
PWM
QSM
SPM
Revision 7_5, February 10
Digital Compensation Value
Non Volatile Memory
Analog Sensor Interface
General Purpose Input
General Purpose Output
General Purpose PWM
Multiple Time Programmable
Pulse Width Modulation
Quick Start Memory
Shadow Parameter Memory
Figure 3
cap2
cap3
cap4
cap5
cap6
cap7
cap8
cap9
Simplified block diagram of the SX8645
Touch Controller (12 sensors) with Enhanced LED Drivers
interface
analog
sensor
© 2010 Semtech Corp.
generation
processor
micro
clock
RAM
ROM
power management
RC
6
Ultra Low Power, Capacitive Button and Wheel
controller
controller
GPIO
PWM
NVM
SX8645
LED
I2C
gnd
gpio5
gpio4
gpio3
gpio2
gnd
gpio1
gpio0
bottom plate
DATASHEET
www.semtech.com
SX8645