32.8.1 Normal I/O Pins

Table 32-12. RevD and later normal I/O Pins Characteristics
Symbol Parameter Conditions Min. Typ. Max. Units
RPULL Pull-up - Pull-down resistance 20 40 60 kΩ
VIL Input low-level voltage VDD = 1.62V-2.7V - - 0.25*VDD V
VDD = 2.7V-3.63V - - 0.3*VDD
VIH Input high-level voltage VDD = 1.62V-2.7V 0.7*VDD - -
VDD = 2.7V-3.63V 0.55*VDD - -
VOL Output low-level voltage VDD > 1.6V, IOL max - 0.1*VDD 0.2*VDD
VOH Output high-level voltage VDD > 1.6V, IOH max 0.8*VDD 0.9*VDD -
IOL Output low-level current VDD = 1.62V-3V,
PORT.PINCFG.DRVSTR=0 - - 1 mA
VDD = 3V-3.63V,
PORT.PINCFG.DRVSTR=0 - - 2.5
VDD = 1.62V-3V,
PORT.PINCFG.DRVSTR=1 - - 3
VDD = 3V-3.63V,
PORT.PINCFG.DRVSTR=1 - - 10
IOH Output high-level current VDD = 1.62V-3V,
PORT.PINCFG.DRVSTR=0 - - 0.7
VDD = 3V-3.63V,
PORT.PINCFG.DRVSTR=0 - - 2
VDD = 1.62V-3V,
PORT.PINCFG.DRVSTR=1 - - 2
VDD = 3V-3.63V,
PORT.PINCFG.DRVSTR=1 - - 7
tRISE Rise time(1) PORT.PINCFG.DRVSTR=0

load = 5pF, VDD = 3.3V

 - - 15 ns
PORT.PINCFG.DRVSTR=1
load = 20pF, VDD = 3.3V - - 15
tFALL Fall time(1) PORT.PINCFG.DRVSTR=0
load = 5pF, VDD = 3.3V - - 15
PORT.PINCFG.DRVSTR=1
load = 20pF, VDD = 3.3V - - 15
ILEAK Input leakage current Pull-up resistors disabled -1 +/-0.015 1 μA

Note: 1. These values are based on simulation. These values are not covered by test limits in production or characterization.

Table 32-13. SAMD20 revC/revB Normal I/O Pins Characteristics
Symbol Parameter Conditions Min. Typ. Max. Units
RPULL Pull-up - Pull-down resistance 20 40 60 kΩ
VIL Input low-level voltage VDD = 1.62V-2.7V - - 0.25*VDD V
VDD = 2.7V-3.63V - - 0.3*VDD
VIH Input high-level voltage VDD = 1.62V-2.7V 0.7*VDD - -
VDD = 2.7V-3.63V 0.55*VDD - -
VOL Output low-level voltage VDD > 1.6V, IOL max - 0.1*VDD 0.2*VDD
VOH Output high-level voltage VDD > 1.6V, IOH max 0.8*VDD 0.9*VDD -
IOL Output low-level current VDD = 1.6V-3V - - 8 mA
VDD = 3V-3.63V - - 20
IOH Output high-level current VDD = 1.6V-3V - - 4.5
VDD = 3V-3.63V - - 10
tRISE Rise time(1) load = 30pF,VDD = 3.3V,
slope range [10%-90%] - 7 - ns
tFALL Fall time(1) - 9.5 -
ILEAK Input leakage current(2) Pull-up resistors
disabled -1 +/-0.015 1 μA
Note:
  1. These values are based on simulation. These values are not covered by test limits in production or characterization.
  2. For PA22 of WLCSP27 Package -2 μA <= ILEAK <= 2 μA .