ST7FLITE29 STMICROELECTRONICS [STMicroelectronics], ST7FLITE29 Datasheet - Page 108

• Manufacturer Part Number: ST7FLITE29
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7LITE2
13.8 I/O PORT PIN CHARACTERISTICS
13.8.1 General Characteristics
Subject to general operating conditions for V
Notes:
1. Data based on characterization results, not tested in production.
2. Configuration not recommended, all unused pins must be kept at a fixed voltage: using the output mode of the I/O for
example or an external pull-up or pull-down resistor (see
characteristics, not tested in production.
3. The R
scribed in
4. To generate an external interrupt, a minimum pulse width has to be applied on an I/O port pin configured as an external
interrupt source.
Figure 71. Two typical Applications with unused I/O Pin
Figure 72. Typical I
108/131
Symbol
t
t
t
f(IO)out
r(IO)out
w(IT)in
V
R
V
C
V
I
I
hys
PU
S
L
IL
IH
IO
9 0
8 0
7 0
6 0
5 0
4 0
3 0
2 0
1 0
PU
0
Figure
2
Input low level voltage
Input high level voltage
Schmitt trigger voltage
hysteresis
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
pull-up equivalent resistor is based on a resistive transistor (corresponding I
TO BE CHARACTERIZED
2.5
1)
1)
72).
Ta=1 40°C
Ta=9 5°C
Ta=2 5°C
Ta=-45 °C
3)
3
Parameter
V
DD
Note: only external pull-up allowed on ICCCLK pin
1)
PU
3.5
10k
vs. V
Vdd(V)
4
DD
4.5
UNUSED I/O PORT
with V
5
2)
4)
ST7XXX
5.5
V
Floating input mode
V
C
Between 10% and 90%
IN
SS
IN
L
=V
=50pF
6
V
V
SS
SS
IN
DD
, f
V
V
V
Conditions
DD
DD
DD
OSC
Figure
=5V
=3V
, and T
71). Data based on design simulation and/or technology
A
unless otherwise specified.
10k
0.7xV
Min
50
UNUSED I/O PORT
1
DD
ST7XXX
PU
Typ
400
120
160
25
25
current characteristics de-
5
0.3xV
Max
200
250
±1
DD
Unit
t
mV
CPU
k
pF
ns
V
A