Datasheet

MGC3130
DS40001667C-page 20 Advance Information  2012-2013 Microchip Technology Inc.
4.2.4.5 Operation Modes Summary
Table 4-2 summarizes the MGC3130 operation modes.
4.2.5 POWER-UP/DOWN SEQUENCE
Figure 4-9 represents the power-up sequence timings
after a Reset or Deep Sleep state.
FIGURE 4-9: POWER-UP SEQUENCE TIMINGS
TABLE 4-2: OPERATION MODES SUMMARY
Mode Entry Exit Comments
Processing I
2
C™0/IRQ0/Approach/
MCLR
/WDTR/SW Reset
GestIC
®
Library Message/Non-
Activity Time-out/WDTR
- Processing mode with up to five
electrodes continuously running
- Full positioning and
Gesture Recognition capabilities
Self Wake-up Time-out/GestIC
®
Library
Message
I
2
C™0/IRQ0/Wake-up Timer/
MCLR
/WDTR
- Scan phase with a configurable
number of Rx active channels,
wake-up timer is used to resume
the system
- Approach detection capability
- Fast wake-up time
- Very low-power consumption
Deep Sleep GestIC
®
Library Message I
2
C™0/IRQ0/MCLR - SPU halted, Analog Voltage
Regulator OFF, STEP-UP OFF,
Watchdog OFF
- No positioning or gesture
detection
- Extreme low-power consumption
- Needs trigger from application
host to switch into Self Wake-up or
Processing mode
LSO
SPU CLK
STEP-UP enable
SPU halted SPU running
Power-Up
Processing operation
HSO enable
V
REF enable
Reset or Deep
Sleep
t
PWRT
t
HSO
t
STEP-UP
t
SPUCLK