Datasheet

Table 37-63. 
Symbol Parameters
Drift
Calibration
PTC
scan rate
(msec)
Oversamples Ta Typ. Max Units
IDD
Current
Consumption
Disabled
10
4
Max 85°C
Typ 25°C
9 107
µA
16 17 117
50
4 5 102
16 6 104
100
4 4 102
16 5 103
200
4 4 102
16 4 102
Enabled
10
4 15 114
16 23 124
50
4 7 105
16 8 108
100
4 5 103
16 6 105
200
4 6 103
16 6 104
37.15 USB Characteristics
The USB on-chip buffers comply with the Universal Serial Bus (USB) v2.0 standard. All AC parameters
related to these buffers can be found within the USB 2.0 electrical specifications.
The USB interface is USB-IF certified:
- TID 40001583 - Peripheral Silicon > Low/Full Speed > Silicon Building Blocks
- TID 120000272 - Embedded Hosts > Full Speed
Electrical configuration required to be USB compliance:
- The CPU frequency must be higher 8MHz when USB is active (No constraint for USB suspend mode)
- The operating voltages must be 3.3V (Min. 3.0V, Max. 3.6V).
- The GCLK_USB frequency accuracy source must be less than:
- In USB device mode, 48MHz +/-0.25%
- In USB host mode, 48MHz +/-0.05%
SAM D21 Family
Electrical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Complete
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