Datasheet

DS9118 Rev 14 103/149
STM32F303xB STM32F303xC Electrical characteristics
125
CAN (controller area network) interface
Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate
function characteristics (CAN_TX and CAN_RX).
Table 67. USB: Full-speed electrical characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
Driver characteristics
t
r
Rise time
(2)
C
L
= 50 pF 4 - 20 ns
t
f
Fall time
(2)
C
L
= 50 pF 4 - 20 ns
t
rfm
Rise/ fall time matching t
r
/t
f
90 - 110 %
V
CRS
Output signal crossover voltage - 1.3 - 2.0 V
Output driver
Impedance
(3)
Z
DRV
driving high and low 28 40 44 Ω
1. Guaranteed by design.
2.
Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB Specification - Chapter
7 (version 2.0).
3. No external termination series resistors are required on USB_DP (D+) and USB_DM (D-), the matching impedance is
already included in the embedded driver.
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