ST7FL15F1MAE STMICROELECTRONICS [STMicroelectronics], ST7FL15F1MAE Datasheet - Page 113
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ST7FL15F1MAE
Manufacturer Part Number
ST7FL15F1MAE
Description
8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7FL15F1MAE.pdf
(138 pages)
- Current page: 113 of 138
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ELECTRICAL CHARACTERISTICS (cont’d)
13.8 I/O PORT PIN CHARACTERISTICS
13.8.1 General Characteristics
Subject to general operating conditions for V
Notes:
1. Data based on validation/design results.
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
based on design simulation and technology characteristics, not tested in production. This value depends on V
perature values.
3. The R
scribed in
4. To generate an external interrupt, a minimum pulse width must be applied on an I/O port pin configured as an external
interrupt source.
Figure 75. Two Typical Applications with Unused I/O Pin
V
V
V
I
I
R
C
t
t
t
Symbol
L
S
f(IO)out
r(IO)out
w(IT)in
IL
IH
hys
PU
IO
(external pull-up of 10k mandatory in
Caution: During normal operation the ICCCLK pin must be pulled up, internally or externally
Note: I/O can be left unconnected if it is configured as output (0 or 1) by the software. This has the advantage of greater EMC
robustness and lower cost.
PU
Figure 76 on page
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 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
V
DD
10kΩ
Parameter
115).
UNUSED I/O PORT
noisy environment).
2)
4)
ST7
1)
3)
1)
1)
DD
V
Floating input mode
V
C
Between 10% and 90%
SS
IN
L
, f
= 50pF
=
This is to avoid entering ICC mode unexpectedly during a reset.
≤
OSC
Figure
V
V
Conditions
SS
IN
, and T
≤
75). Static peak current value taken at a fixed V
V
V
V
DD
DD
DD
A
= 5V
= 3V
, unless otherwise specified.
10kΩ
V
0.7xV
SS
UNUSED I/O PORT
Min
50
1
- 0.3
DD
ST7
PU
Typ
400
400
120
160
25
25
current characteristics de-
5
ST7L15, ST7L19
V
0.3xV
DD
Max
250
±1
+ 0.3
DD
DD
and tem-
IN
113/138
Unit
t
mV
value,
CPU
µA
kΩ
pF
ns
V
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