Datasheet

DocID022152 Rev 8 133/202
STM32F405xx, STM32F407xx Electrical characteristics
5.3.20 CAN (controller area network) interface
Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate
function characteristics (CANTX and CANRX).
5.3.21 12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 67 are derived from tests
performed under the ambient temperature, f
PCLK2
frequency and V
DDA
supply voltage
conditions summarized in
Table 14.
Table 66. Dynamic characteristics: Ethernet MAC signals for MII
(1)
1. Guaranteed by characterization.
Symbol Parameter Min Typ Max Unit
t
su(RXD)
Receive data setup time 9 -
ns
t
ih(RXD)
Receive data hold time 10 -
t
su(DV)
Data valid setup time 9 -
t
ih(DV)
Data valid hold time 8 -
t
su(ER)
Error setup time 6 -
t
ih(ER)
Error hold time 8 -
t
d(TXEN)
Transmit enable valid delay time 0 10 14
t
d(TXD)
Transmit data valid delay time 0 10 15
Table 67. ADC characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Power supply - 1.8
(1)
-3.6
VV
REF+
Positive reference voltage - 1.8
(1)(2)(3)
-V
DDA
V
REF−
Negative reference voltage - - 0 -
f
ADC
ADC clock frequency
V
DDA
= 1.8
(1)(3)
to
2.4 V
0.6 15 18 MHz
V
DDA
= 2.4 to 3.6 V
(3)
0.6 30 36 MHz
f
TRIG
(4)
External trigger frequency
f
ADC
= 30 MHz,
12-bit resolution
- - 1764 kHz
---171/f
ADC
V
AIN
Conversion voltage range
(5)
-
0 (V
SSA
or V
REF-
tied to ground)
-V
REF+
V
R
AIN
(4)
External input impedance
See Equation 1 for
details
--50κΩ
R
ADC
(4)(6)
Sampling switch resistance - - - 6 κΩ
C
ADC
(4)
Internal sample and hold
capacitor
--4-pF
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