STM32F105xx, STM32F107xx
Electrical characteristics
Table 51. Dynamic characteristics: Ethernet MAC signals for MII
Symbol
Rating
Min
Typ
Max
Unit
tsu(RXD)
tih(RXD)
tsu(DV)
tih(DV)
Receive data setup time
Receive data hold time
Data valid setup time
Data valid hold time
10
10
10
10
10
10
14
13
ns
ns
ns
ns
ns
ns
ns
ns
tsu(ER)
tih(ER)
td(TXEN)
td(TXD)
Error setup time
Error hold time
Transmit enable valid delay time
Transmit data valid delay time
16
16
18
20
CAN (controller area network) interface
Refer to Section 5.3.12: I/O current injection characteristics for more details on the
input/output alternate function characteristics (CANTX and CANRX).
5.3.17
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 52 are derived from tests
performed under the ambient temperature, f
frequency and V
supply voltage
PCLK2
DDA
conditions summarized in Table 9.
Note:
It is recommended to perform a calibration after each power-up.
Table 52. ADC characteristics
Symbol Parameter
Conditions
Min
Typ
Max
Unit
VDDA Power supply
2.4
2.4
3.6
VDDA
220(1)
14
V
V
VREF+ Positive reference voltage
IVREF Current on the VREF input pin
160(1)
µA
fADC ADC clock frequency
0.6
MHz
MHz
kHz
1/fADC
(2)
fS
Sampling rate
0.05
1
fADC = 14 MHz
823
17
(2)
fTRIG
External trigger frequency
0 (VSSA or VREF-
tied to ground)
VAIN
Conversion voltage range(3)
External input impedance
VREF+
50
V
See Equation 1 and
Table 53 for details
(2)
RAIN
kΩ
(2)
(2)
RADC
CADC
Sampling switch resistance
1
8
kΩ
pF
Internal sample and hold capacitor
fADC = 14 MHz
5.9
83
µs
(2)
tCAL
Calibration time
1/fADC
Doc ID 15274 Rev 6
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