ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 236

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-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

Electrical characteristics
20.8
20.8.1
Table 146. 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. Static peak current value taken at a fixed V
5. The Schmitt trigger that is connected to every I/O port is disabled for analog inputs only when ADON bit is ON and the
6. The R
7. To generate an external interrupt, a minimum pulse width has to be applied on an I/O port pin configured as an external
236/276
I
I
INJ(PIN)
Symbol
INJ(PIN)
t
t
t
positive injection is induced by V
Current characteristics
in production. This value depends on V
particular ADC channel is selected (with port configured in input floating mode). When the ADON bit is OFF, static current
consumption may result. This can be avoided by keeping the input voltage of this pin close to V
Figure
interrupt source.
f(IO)out
r(IO)out
w(IT)in
V
V
R
C
V
V
V
V
I
lkg
I
hys
hys
PU
S
IH
IH
IO
IL
IL
PU
(3)
(3)
98).
pull-up equivalent resistor is based on a resistive transistor (corresponding I
Input low level voltage
Input high level voltage
Schmitt trigger voltage hysteresis
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
for more details.
Parameter
IN
> V
(1)
(1)
(1)
(1)
DD
DD
while a negative injection is induced by V
and temperature values.
(7)
IN
value, based on design simulation and technology characteristics, not tested
(1)
(6)
(1)
IN
(2)
(2)
Doc ID 17660 Rev 1
maximum must be respected, otherwise refer to I
CMOS ports
TTL ports
V
V
Floating input mode
V
C
Between 10% and 90%
DD
SS
IN
L
= 50pF
= V
< V
= 5V
DD,
Conditions
SS
IN
f
OSC
< V
V
DD
DD
, and T
= 5V
IN
(4)(5)
PU
< V
A
current characteristics described in
unless otherwise specified.
SS
0.7xV
. Refer to
Min
50
2
0
1
DD
DD
or V
INJ(PIN)
Section 20.2.2:
Typ
SS
400
120
0.7
25
25
1
5
ST72521xx-Auto
.
specification. A
0.3xV
Max
±25
250
0.8
+4
±4
±1
DD
Unit
t
mA
CPU
k
µA
pF
ns
V
V