cy8cmbr2044 Cypress Semiconductor Corporation., cy8cmbr2044 Datasheet - Page 12

• Manufacturer Part Number: cy8cmbr2044
• Description: Capacitive Button Controllers
• Manufacturer: Cypress Semiconductor Corporation.

Device Operating Modes
There are two device operating modes:
■
■
Low Power Sleep Mode
The following flow chart describes the low power sleep mode operation.
■
■
.
Document Number: 001-57451 Rev. *C
Low power sleep mode
Deep sleep mode
To enable low power sleep mode, the hardware configurable pin ScanRate/Sleep should be pulled down to ground with resistor ‘R’
(1%). The scan rate values for different resistor values are given in
The range of scan rate is 20 to 530 ms.
Figure 10. Low Power Sleep Mode Implementation
Figure 9. Low Power Sleep Mode Operation
NO
NO
Scan all Sensors with 20 ms Scan rate (Scan
Scan all sensors with user defined scan rate.
NO button pressed
time + sleep time)
Is Any Sensor
for 2 secs?
active ?
YES
Table 9
on page 13.
YES
CY8CMBR2044
Page 12 of 26
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