Datasheet

Electrical characteristics STM32F446xC/E
140/202 DocID027107 Rev 6
Figure 44. ULPI timing diagram
CAN (controller area network) interface
Refer to Section 6.3.17: I/O port characteristics for more details on the input/output alternate
function characteristics (CANx_TX and CANx_RX).
t
START_DEV
Clock startup time after the
de-assertion of SuspendM
Peripheral - - 5.6
ms
t
START_HOST
Host - - -
t
PREP
PHY preparation time after the first transition
of the input clock
---µs
1. Guaranteed by design.
Table 72. USB HS clock timing parameters
(1)
(continued)
Symbol Parameter Min Typ Max Unit
#LOCK
#ONTROL)N
5,0)?$)2
5,0)?.84
DATA)N
BIT
#ONTROLOUT
5,0)?340
DATAOUT
BIT
T
$$
T
$#
T
($
T
3$
T
(#
T
3#
AIC
T
$#
Table 73. Dynamic characteristics: USB ULPI
(1)
Symbol Parameter Conditions Min. Typ. Max. Unit
t
SC
Control in (ULPI_DIR, ULPI_NXT) setup time - 1 - -
ns
t
HC
Control in (ULPI_DIR, ULPI_NXT) hold time - 1.5 - -
t
SD
Data in setup time - 1.5 - -
t
HD
Data in hold time - 1.5 - -
t
DC
/t
DD
Data/control output delay
2.7 V < V
DD
< 3.6 V,
C
L
= 20 pF
-68.5
1.71 V < V
DD
< 3.6 V,
C
L
= 15 pF
-611.5
1. Guaranteed based on test during characterization.
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