| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| RUSB,PU,ACTIVE |
Value of pull-up on D+, bus active (upstream device transmitting) |
1425 | 2300 | 3090 | Ω |
| RUSB,PU,IDLE |
Value of pull-up on D+, bus idle |
900 | 1200 | 1575 | Ω |
| tUSB,DETRST |
Minimum duration of an SE0 state to be detected as a USB reset condition |
10 | µs | ||
| fUSB,CLK |
Frequency of local clock, USB active |
48 | MHz | ||
| fUSB,TOL |
Accuracy of local clock, USB active1 |
±1000 | ppm | ||
| TUSB,JITTER |
Jitter on USB local clock, USB active |
±1 | ns |
1 The local clock can be stopped during USB suspend