41.8.3 USB Pins

Table 41-15.  USB Pins Characteristics in I/O Configuration
ParameterConditionsSymbolMin.Typ.Max.Unit
Pull-up - Pull-down resistanceRPULL204060kΩ
Input low-level voltageVDD = 2.7V-3.63VVIL--0.29 × VDDV
Input high-level voltageVDD = 2.7V-3.63VVIH0.55 × VDD--
Output low-level voltageVDD > 2.7V, IOL maxVOL-0.1 × VDD0.2 × VDD
Output high-level voltageVDD > 2.7V, IOH maxVOH0.8 × VDD0.9 × VDD-
Output low-level currentVDD = 2.7V-3VIOL--3mA
VDD = 3V-3.63V--9
Output high-level currentVDD = 2.7V-3VIOH--2
VDD = 3V-3.63V--7
Rise timeload = 5pF, VDD = 3.3VtRISE15ns
load = 20pF, VDD = 3.3V
Fall timeload = 5pF, VDD = 3.3VtFALL15
load = 20pF, VDD = 3.3V
Input leakage currentPull-up resistors disabledILEAK–1±0.0151μA