CY8C20111_12 CYPRESS [Cypress Semiconductor], CY8C20111_12 Datasheet - Page 33

• Manufacturer Part Number: CY8C20111_12
• Manufacturer: CYPRESS [Cypress Semiconductor]

CapSense Electrical Characteristics
AC Electrical Specifications
AC Chip-Level Specifications
Table 9. 5-V and 3.3-V AC Chip-Level Specifications
Table 10. 2.7-V AC Chip-Level Specifications
AC GPIO Specifications
Table 11. 5-V and 3.3-V AC GPIO Specifications
Document Number: 001-53516 Rev. *H
F
t
t
SR
F
t
t
SR
t
t
XRST
POWERUP
XRST
POWERUP
Rise
Fall
Parameter
Parameter
32K1
32K1
Max (V)
Parameter
POWER_UP
POWER_UP
2.90
5.25
3.6
Typ (V)
Internal low-speed oscillator
(ILO) frequency
External reset pulse width
Time from end of POR to CPU
executing code
Power supply slew rate
Internal low-speed oscillator
(ILO) frequency
External reset pulse width
Time from end of POR to CPU
executing code
Power supply slew rate
Rise time, strong mode,
Cload = 50 pF
Fall time, strong mode,
Cload = 50 pF
3.3
2.7
5.0
Description
Description
Description
Min (V)
2.45
4.75
3.1
Conditions for Supply
> 2.9 or < 3.10
< 2.45 V
Voltage
< 4.73 V
< 2.4 V
> 3.10
< 2.9
Min
Min
Min
15
10
10
15
10
–
–
8
–
–
The device automatically reconfigures itself to work in 2.7 V mode
of operation.
This range is not recommended for CapSense usage.
The scanning for CapSense parameters shuts down until the voltage
returns to over 2.45 V.
of operation.
The device goes into reset.
The scanning for CapSense parameters shuts down until the voltage
returns to over 4.73 V.
The device automatically reconfigures itself to work in 3.3 V mode
Max
Typ
150
Typ
600
32
32
80
50
–
–
–
–
Unit
ns
ns
Max
Max
250
250
64
96
–
–
–
–
V
to 90%
V
to 90%
DD
DD
= 3.10 V to 3.6 V and 4.75 V to 5.25 V, 10%
= 3.10 V to 3.6 V and 4.75 V to 5.25 V, 10%
Units
Units
V/ms
V/ms
kHz Calculations
kHz Calculations
ms
ms
µs
µs
CY8C20111, CY8C20121
Result
operations are done based on ILO
frequency.
operations are done based on ILO
frequency.
Notes
Notes
Notes
during
during
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sleep
sleep