STM32F372VBT6 STMicroelectronics, STM32F372VBT6 Datasheet - Page 87

• Manufacturer Part Number: STM32F372VBT6
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU
• Manufacturer: STMicroelectronics

Specifications of STM32F372VBT6

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M4F
• Processor Series: STM32F372xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 72 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 24 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-100
• Mounting Style: SMD/SMT
• A/d Bit Size: 16 bit
• A/d Channels Available: 1
• Interface Type: CAN, I2C, SPI, USART, USB
• Length: 14 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 84
• Number Of Timers: 2
• On-chip Dac: Yes
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.4 V

STM32F37x
6.3.15
Figure 21. I/O AC characteristics definition
NRST characteristics
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 ambient temperature and V
Table
Table 55.
1. Data based on design simulation only. Not tested in production.
2. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to
V
V
V
V
V
hys(NRST)
NF(NRST)
IH(NRST)
Symbol
IL(NRST)
F(NRST)
the series resistance is minimal (~10% order).
R
22.
PU
(1)
(1)
(1)
(1)
(1)
PU
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%)
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
Table
t r(I O)out
52).
Parameter
Doc ID 022691 Rev 3
10%
50%
when loaded by 50pF
90%
(2)
DD
supply voltage conditions summarized in
Conditions
T
10%
V
IN
Table 55
50%

V
SS
90%
t r(I O)out
are derived from tests
0.445
0.398
V
Min
500
DD
25
(1)
Electrical characteristics
+
Typ
200
40
+0.07
0.3V
Max
100
55
DD
ai14131
(1)
87/128
Unit
mV
k
ns
ns
V