參數資料
型號： ST72124J2T
廠商： 意法半導體
英文描述： 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
中文描述： 8位單電壓閃存，ADC和16位定時器，SPI和脊髓損傷界面微控制器
文件頁數： 128/153頁
文件大?。?/td> 1533K
代理商： ST72124J2T
ST72334J/N, ST72314J/N, ST72124J
128/153
16.8 I/O PORT PIN CHARACTERISTICS
16.8.1 General Characteristics
Subject to general operating conditions for V
DD
, f
OSC
, and T
A
unless otherwise specified.
Figure 82. Two typical Applications with unused I/O Pin
Figure 83. Typical I
PU
vs. V
DD
with V
IN
=V
SS
Notes:
1.
Unless otherwise specified, typical data are based on T
A
=25°C and V
DD
=5V.
2. Data based on characterization results, not tested in production.
3.
Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested.
4.
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
Figure 82
). Data based on design simulation and/or technology
characteristics, not tested in production.
5. The R
PU
pull-up equivalent resistor is based on a resistive transistor (corresponding I
current characteristics de-
scribed in
Figure 83
). This data is based on characterization results, tested in production at V
DD
max.
6. Data based on characterization results, not tested in production.
7. 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.
Symbol
V
IL
V
IH
V
hys
I
L
I
S
Parameter
Conditions
Min
Typ
1)
Max
0.3xV
DD
Unit
Input low level voltage
2)
Input high level voltage
2)
Schmitt trigger voltage hysteresis
3)
Input leakage current
Static current consumption
4)
V
0.7xV
DD
400
mV
V
SS
≤
V
IN
≤
V
DD
Floating input mode
±1
200
250
300
μ
A
R
PU
Weak pull-up equivalent resistor
5)
V
IN
=
V
SS
V
DD
=5V
V
DD
=3.3V
62
170
120
200
5
25
25
k
C
IO
t
f(IO)out
t
r(IO)out
t
w(IT)in
I/O pin capacitance
Output high to low level fall time
6)
Output low to high level rise time
6)
External interrupt pulse time
7)
pF
C
L
=50pF
Between 10% and 90%
ns
1
t
CPU
10k
UNUSED I/O PORT
ST72XXX
10k
UNUSED I/O PORT
ST72XXX
V
DD
3.2
3.5
4
4.5
5
5.5
Vdd [V]
0
10
20
30
40
50
60
70
Ipu [μA]
Ta=-40°C
Ta=25°C
Ta=85°C
Ta=125°C
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參數描述
ST72124J2T1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T1/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T3/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2T6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
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