CY8CKIT-059 datasheet(77/140 Pages) INFINEON

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Document Number: 001-84932 Rev. *N

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PSoC® 5LP: CY8C58LP Family

Datasheet

11.4 Inputs and Outputs

Specifications are valid for –40 °C

≤ TA ≤ 105 °C and TJ ≤ 120 °C, except where noted. Specifications are valid for 1.71 V to 5.5 V,

except where noted. Unless otherwise specified, all charts and graphs show typical values.

When the power supplies ramp up, the pin voltages are indeterminate until both VDDIO and VDDA reach the IPOR voltage, which can

be as high as 1.45 V. At that point, the pins change to their normal NVL settings.

11.4.1 GPIO

Table 11-8. GPIO DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

VIH

Input voltage high threshold

CMOS Input, PRT[x]CTL = 0

0.7

× VDDIO

––

VIL

Input voltage low threshold

CMOS Input, PRT[x]CTL = 0

–

0.3

VDDIO

VIH

Input voltage high threshold

LVTTL Input, PRT[x]CTL = 1, VDDIO < 2.7 V 0.7 x VDDIO

––

VIH

Input voltage high threshold

LVTTL Input, PRT[x]CTL = 1, VDDIO ≥ 2.7 V

2.0

–

VIL

Input voltage low threshold

LVTTL Input, PRT[x]CTL = 1, VDDIO < 2.7 V

–

0.3 x

VDDIO

VIL

Input voltage low threshold

LVTTL Input, PRT[x]CTL = 1, VDDIO ≥ 2.7 V

–

0.8

VOH

Output voltage high

IOH = 4 mA at 3.3 VDDIO

VDDIO – 0.6

–

IOH = 1 mA at 1.8 VDDIO

VDDIO – 0.5

–

VOL

Output voltage low

IOL = 8 mA at 3.3 VDDIO

––

0.6

IOL = 3 mA at 3.3 VDDIO

––

0.4

IOL = 4 mA at 1.8 VDDIO

––

0.6

Rpullup

Pull-up resistor

3.5

5.6

8.5

Rpulldown Pull-down resistor

3.5

5.6

8.5

IIL

Input leakage current (absolute

value)[34]

25 °C, VDDIO = 3.0 V

–

CIN

Input capacitance[34]

P0.0, P0.1, P0.2, P3.6, P3.7

–

P0.3, P0.4, P3.0, P3.1, P3.2

–

P0.6, P0.7, P15.0, P15.6, P15.7[35]

–7

All other GPIOs

–

Input voltage hysteresis

(Schmitt-Trigger)[34]

–40

–

Idiode

Current through protection diode

to VDDIO and VSSIO

––

100

µA

Rglobal

Resistance pin to analog global

bus

25 °C, VDDIO = 3.0 V

–

320

–

Rmux

Resistance pin to analog mux bus 25 °C, VDDIO = 3.0 V

–

220

–

Notes

34. Based on device characterization (Not production tested).

35. For information on designing with PSoC oscillators, refer to the application note, AN54439 - PSoC® 3 and PSoC 5 External Oscillator.

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