STEVAL-PCC012V1 STMicroelectronics, STEVAL-PCC012V1 Datasheet - Page 59

• Manufacturer Part Number: STEVAL-PCC012V1
• Description: BOARD DEM CONN GATEWAY STM32F107
• Manufacturer: STMicroelectronics
• Series: STM32r
• Type: Other Power Managementr

Specifications of STEVAL-PCC012V1

• Main Purpose: Interface, Connectivity
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: STM32F107
• Primary Attributes: Ethernet and 4 Digital/Analog Connectors
• Secondary Attributes: On-Board LEDs and Joystick
• Interface Type: Ethernet, USB, I2C, SPI, UART
• Operating Supply Voltage: 3.3 V
• Product: Power Management Development Tools
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32F107xx
• Other names: 497-10757

STM32F105xx, STM32F107xx
5.3.13
Figure 22. I/O AC characteristics definition
NRST pin characteristics
The NRST pin input driver uses CMOS technology. It is connected to a permanent pull-up
resistor, R
Unless otherwise specified, the parameters given in
performed under the ambient temperature and V
in
Table 38.
1. Guaranteed by design, not tested in production.
2. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution
V
V
V
V
V
Table
NF(NRST)
IH(NRST)
IL(NRST)
Symbol
F(NRST)
hys(NRST)
to the series resistance must be minimum
R
PU
9.
(1)
(1)
(1)
(1)
PU
NRST pin characteristics
(see
NRST Input low level voltage
NRST Input high level voltage
NRST Schmitt trigger voltage
hysteresis
Weak pull-up equivalent resistor
NRST Input filtered pulse
NRST Input not filtered pulse
EXT ERNAL
OUTPUT
ON 50pF
Maximum frequency is achieved if (t r + t f ) 2/3)T and if the duty cycle is (45-55%)
Table
35).
Parameter
t r(I O)out
Doc ID 15274 Rev 5
(~10% order)
10%
50%
when loaded by 50pF
90%
(2)
.
V
Conditions
DD
V
DD
IN
T
10%
> 2.7 V
supply voltage conditions summarized

Table 38
V
50%
SS
90%
t r(I O)out
are derived from tests
–0.5
Min
300
30
2
Electrical characteristics
Typ
200
40
V
DD
Max
100
0.8
50
+0.5
ai14131
59/101
Unit
mV
k
ns
ns
V