41.8.2 I²C Pins

Refer to the SERCOM I²C Pins section to get the list of I²C pins.

Table 41-13. I²C Pins Characteristics in I²C Configuration
Parameter	Condition	Symbol	Min.	Typ.	Max.	Unit
Input low-level voltage	V_DD= 2.7V-3.63V	V_IL	-	-	0.3 × V_DD	V
Input high-level voltage	V_DD= 2.7V-3.63V	V_IH	0.55 × V_DD	-	-	V
Hysteresis of Schmitt trigger inputs		V_HYS	0.08 × V_DD	-	-
Output low-level voltage	V_DD> 2.0V, I_OL= 3mA	V_OL	-	-	0.4
Output low-level voltage	V_DD≤ 2.0V , I_OL = 2mA	V_OL	-	-	0.2 × V_DD
Output low-level current	V_OL= 0.4V  Standard, Fast and HS Modes	I_OL	3			mA
	V_OL= 0.4V  Fast Mode +		20	-	-
	V_OL= 0.6V		6	-	-
SCL clock frequency		f_SCL	-	-	3.4	MHz

I²C pins timing characteristics can be found in the SERCOM in I²C Mode Timing section.

Table 41-14. I²C Pins Characteristics in I/O Configuration
Parameter	Conditions	Symbol	Min.	Typ.	Max.	Unit
Pull-up - Pull-down resistance		R_PULL	20	40	60	kΩ
Input low-level voltage	V_DD= 2.7V-3.63V	V_IL	-	-	0.3 × V_DD	V
Input high-level voltage	V_DD= 2.7V-3.63V	V_IH	0.55 × V_DD	-	-
Output low-level voltage	V_DD> 2.7V, IOL max	V_OL	-	0.1 × V_DD	0.2 × V_DD
Output high-level voltage	V_DD > 2.7V, IOH max	V_OH	0.8*V_DD	0.9 × V_DD	-
Output low-level current	V_DD= 2.7V-3V,	I_OL				mA
	PORT.PINCFG. DRVSTR=0		-	-	1
	V_DD= 3V-3.63V,
	PORT.PINCFG. DRVSTR=0		-	-	2.5
	V_DD= 2.7V-3V,
	PORT.PINCFG. DRVSTR=1		-	-	3
	V_DD= 3V-3.63V,
	PORT.PINCFG. DRVSTR=1		-	-	10
Output high-level current	V_DD = 2.7V-3V,	I_OH
	PORT.PINCFG. DRVSTR=0		-	-	0.70
	V_DD = 3V-3.63V,
	PORT.PINCFG. DRVSTR=0		-	-	2
	V_DD = 2.7V-3V,
	PORT.PINCFG. DRVSTR=1		-	-	2
	V_DD= 3V-3.63V,
	PORT.PINCFG. DRVSTR=1		-	-	7
Rise time	load = 20pF,  V_DD = 3.3V	t_RISE			15	ns
	PORT.PINCFG. DRVSTR=1				15
	load = 5pF, V_DD = 3.3V				15
	PORT.PINCFG. DRVSTR=0				15
Fall time	load = 20pF,  V_DD = 3.3V	t_FALL			15	ns
	PORT.PINCFG. DRVSTR=1				15
	load = 5pF, V_DD = 3.3V				15
	PORT.PINCFG. DRVSTR=0				15
Input leakage current	Pull-up resistors disabled	I_LEAK	-1	0.015	1	μA

SAM D21/DA1 Family