ST72321AR6-Auto STMicroelectronics, ST72321AR6-Auto Datasheet - Page 203

• Manufacturer Part Number: ST72321AR6-Auto
• Description: 8-bit MCU for automotive with 32 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR6-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72321xx-Auto
19.8
19.8.1
Table 126. I/O port pin general characteristics
1. Data based on characterization results, not tested in production.
2. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested.
3. When the current limitation is not possible, the V
4. Configuration not recommended. All unused pins must be kept at a fixed voltage. This can be done by using the output
5. The R
6. To generate an external interrupt, a minimum pulse width has to be applied on an I/O port pin configured as an external
I
I
INJ(PIN)
Symbol
INJ(PIN)
t
t
t
positive injection is induced by V
Current characteristics
mode of the I/O, for example, and leaving the I/O unconnected on the board or by an external pull-up or pull-down resistor
(see
characteristics, not tested in production. This value depends on V
Figure
interrupt source.
f(IO)out
r(IO)out
w(IT)in
V
R
C
V
V
I
I
hys
PU
L
S
IH
IO
IL
Figure
PU
(3)
(3)
83).
pull-up equivalent resistor is based on a resistive transistor (corresponding I
Input low level voltage
Input high level voltage
Schmitt trigger voltage hysteresis
Injected current on PC6 pin (Flash devices
only)
Injected current on an I/O pin
Total injected current (sum of all I/O and
control pins)
Input leakage current
Static current consumption
Weak pull-up equivalent resistor
I/O pin capacitance
Output high to low level fall time
Output low to high level rise time
External interrupt pulse time
I/O port pin characteristics
General characteristics
Subject to general operating conditions for V
82). Static peak current value taken at a fixed V
for more details.
Parameter
IN
> V
(1)
(1)
DD
while a negative injection is induced by V
(6)
(1)
(5)
(1)
IN
(2)
Doc ID 13829 Rev 1
maximum must be respected, otherwise refer to I
IN
CMOS ports
V
V
Floating input mode
V
C
Between 10% and 90%
value, based on design simulation and technology
DD
SS
IN
L
= 50pF
DD
= V
< V
= 5V
DD,
and temperature values.
Conditions
SS
IN
f
OSC
< V
V
DD
DD
, and T
= 5V
IN
(4)
PU
< V
A
current characteristics described in
unless otherwise specified.
SS
0.7xV
. Refer to
Electrical characteristics
Min
50
0
1
DD
INJ(PIN)
Section 19.2.2:
Typ
400
120
0.7
25
25
5
specification. A
0.3xV
Max
±25
250
+4
±4
±1
DD
203/243
Unit
t
mA
CPU
k
µA
pF
ns
V