st72324bk STMicroelectronics, st72324bk Datasheet - Page 129

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

ST72323 ST72323L
11.8
11.8.1
I/O port pin characteristics
General characteristics
Subject to general operating conditions for V
Table 78.
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.
5. The R
6. To generate an external interrupt, a minimum pulse width has to be applied on an I/O port pin configured
ΣI
I
INJ(PIN)
Symbol
INJ(PIN)
t
t
t
specification. A positive injection is induced by V
Refer to
Static peak current value taken at a fixed V
in production. This value depends on V
characteristics described in
as an external interrupt source.
f(IO)out
r(IO)out
w(IT)in
V
R
V
C
V
I
I
lkg
hys
PU
S
IH
IO
IL
PU
(3)
(3)
Section Table 61. on page 116
pull-up equivalent resistor is based on a resistive transistor (corresponding I
Input low level voltage (standard
voltage devices)
Input high level voltage
Schmitt trigger voltage
hysteresis
Injected current on other I/O pins
Total injected current (sum of all
I/O and control pins)
Input leakage current
Static current consumption
induced by each floating input pin
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
General characteristics
(1)
(1)
(5)
(2)
Parameter
Figure
(1)
DD
67).
and temperature values)?
(1)
IN
value, based on design simulation and technology characteristics, not tested
(6)
for more details.
IN
IN
maximum must be respected, otherwise refer to I
>V
V
V
Floating input
mode
V
C
Between 10% and
90%
DD
DD
SS
IN
L
DD
= 50 pF
, f
=
≤
Conditions
= 5 V
while a negative injection is induced by V
V
OSC
(4)
V
SS
IN
≤
, and T
V
V
DD
DD
= 5 V
A
unless otherwise specified.
0.7V
Electrical characteristics
Min
50
1
DD
PU
Typ
200
120
0.7
25
25
current
5
0.3V
Max
±25
250
±4
±1
IN
INJ(PIN)
<V
DD
129/167
SS
Unit
t
.
mA
CPU
kΩ
µA
pF
ns
V
V