Electrical Specifications

The electrical parameters for the GPIO_0 – GPIO_31 and AON_GPIO_0 – AON_GPIO_7 are as follows:

表 67 GPIO electrical specifications

Parameter	Description	Min.	Typ.	Max.	Unit
VIH	Input high voltage	VDDIO x 0.7		VDDIO	V
VIL	Input low voltage	VSSIO		VDDIO x 0.3	V
VOH,L	Output high voltage, 2 mA, VDDIO ≥1.7 V	VDDIO - 0.4		VDDIO	V
VOH,M	Output high voltage, 2.5 mA, VDDIO ≥ 2.5 V	VDDIO - 0.4		VDDIO	V
VOH,H	Output high voltage, 2.5 mA, VDDIO ≥ 3 V	VDDIO - 0.4		VDDIO	V
VOL,L	Output low voltage, 2 mA, VDDIO ≥1.7 V	VSS		VSS + 0.4	V
VOL,M	Output low voltage, 2.5 mA, VDDIO ≥ 2.5 V	VSS		VSS + 0.4	V
VOL,H	Output low voltage, 2.5 mA, VDDIO ≥ 3 V	VSS		VSS + 0.4	V
IOL,L	Current at VSS+0.4 V, output set low, VDDIO ≥ 1.7 V	2	2.5		mA
IOL,M	Current at VSS+0.4 V, output set low, VDDIO ≥ 2.5 V	2.5	3		mA
IOH,L	Current at VDD-0.4 V, output set high, VDDIO ≥ 1.7 V	2	2.5		mA
IOH,M	Current at VDD-0.4 V, output set high, VDDIO ≥ 2.5 V	2.5	2.8		mA
tRF,15pF	Rise/Fall time, 10% - 90%, 15 pF load			8	ns
tRF,25pF	Rise/Fall time, 10% - 90%, 25 pF load			13	ns
RPU	Pull-up resistance	70	120	150	kΩ
RPD	Pull-down resistance	70	120	150	kΩ
CPAD	Pad capacitance		5		pF