Datasheet
2017 Microchip Technology Inc. DS60001516A-page 767
SAM9G20
40.12.6 UDP Timings
Figure 40-23: USB Data Signal Rise and Fall Times
Table 40-47: In Full Speed
Symbol Parameter Conditions Min Typ Max Unit
t
r
Transition Rise Time C
LOAD
= 50 pF 4 – 20 ns
t
f
Transition Fall Time C
LOAD
= 50 pF 4 – 20 ns
t
rfm
Rise/Fall time Matching 90 – 111.11 %
10%
10%
90%
V
CRS
t
r
t
f
Differential
Data Lines
Rise Time Fall Time
f
OSC
= 6 MHz/750 kHz
R
EXT
= 27 ohms
C
LOAD
Buffer