參數(shù)資料
型號： ST7FLIT19B
廠商： 意法半導體
英文描述： 8-Bit MCU With Single Voltage Flash Memory, Data EEPROM, ADC, 5 Timers, SPI(內(nèi)部RC,PLL,ADC,ROP,ICP, IAP,SPI的8位MCU)
中文描述： 8位微控制器單電壓閃存存儲器，數(shù)據(jù)EEPROM，模數(shù)轉(zhuǎn)換器，5計時器和SPI（內(nèi)部鋼筋，鎖相環(huán)，藝發(fā)局，人事，電感，國際檢察官聯(lián)合會的SPI的8位微控制器）
文件頁數(shù)： 126/155頁
文件大?。?/td> 2968K
代理商： ST7FLIT19B
ST7LITE1xB
126/155
13.8 I/O PORT PIN CHARACTERISTICS
13.8.1 General Characteristics
Subject to general operating conditions for V
DD
, f
OSC
, and T
A
unless otherwise specified.
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
Figure 80
).
Static peak current value taken at a fixed V
value,
based on design simulation and technology characteristics, not tested in production. This value depends on V
DD
and tem-
perature values.
3.
The R
PU
pull-up equivalent resistor is based on a resistive transistor.
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 80. Two typical Applications with unused I/O Pin
Symbol
V
IL
V
IH
Parameter
Conditions
Min
Typ
Max
0.3xV
DD
V
DD
+ 0.3
Unit
Input low level voltage
Input high level voltage
Schmitt trigger voltage
hysteresis
1)
Input leakage current
Static current consumption in-
duced by each floating input
pin
2)
V
SS
- 0.3
0.7xV
DD
V
V
hys
400
mV
I
L
V
SS
≤
V
IN
≤
V
DD
±1
μ
A
I
S
Floating input mode
400
R
PU
Weak pull-up equivalent
resistor
3)
V
IN
=
V
SS
V
DD
=5V
V
DD
=3V
50
120
160
5
250
k
C
IO
I/O pin capacitance
Output high to low level fall
time
1)
Output low to high level rise
time
1)
External interrupt pulse time
4)
pF
t
f(IO)out
C
L
=50pF
Between 10% and 90%
25
ns
t
r(IO)out
25
t
w(IT)in
1
t
CPU
10k
UNUSED I/O PORT
ST7XXX
10k
UNUSED I/O PORT
ST7XXX
V
DD
Caution
: During normal operation the ICCCLK pin must be pulled-up, internally or externally
(external pull-up of 10k mandatory in
noisy environment).
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.
This is to avoid entering ICC mode unexpectedly during a reset.
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ST7FLIT19BF0M3 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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ST7FLIT19BF0MX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
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