AS3689 datasheet(50/72 Pages) AMSOSRAM

50 / 72 page

AS3689

austriami crosyst ems

Datasheet, Confidential

www.austriamicrosystems.com (mlg, ptr)

Revision 1.0.2 / 20070115

48 - 70

Figure 28 – GPIO Pin Connections

Open, when

gpio_pulls = 11 (ADC)

CPIO Control

Registers

VDD_GPIO

GPIO

Vss

Pullup

Pulldown

GPIO Pins

Interface

7.5.1 GPIO Characteristics

Table 19 – GPIO DC Characteristics

Symbol

Parameter

Min

Max

Unit

Note

Rpull

Pull up/Pull down

Resistance

kΩ

Vgpio

Supply Voltage

1.5

3.3

VIH

High Level Input Voltage

0.7·Vgpio

VIL

Low Level Input Voltage

0.3· Vgpio

VHYS

Hysteresis

0.1· Vgpio

ILEAK

Input Leakage Current

-5

µ A

To Vgpio and VSS

VOH

High Level Output Voltage 0.8·Vgpio

at - Iout

VOL

Low Level Output Voltage

0.2· Vgpio

at Iout

Vgpio = 2.8V, gpio_low_curr = 1

Vgpio = 2.8V, gpio_low_curr = 0

Vgpio = 1.5V, gpio_low_curr = 0

guaranteed by design.

Iout

Driving Capability

Vgpio = 1.5V, gpio_low_curr = 1

guaranteed by design.

CLOAD

Capacitive Load

Vgpio is used as the supply voltage for all GPIOs.

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