參數(shù)資料
型號： ST7PLU09MCTRE
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封裝： 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件頁數(shù)： 7/124頁
文件大小： 1995K
代理商： ST7PLU09MCTRE
Electrical characteristics
ST7LUS5, ST7LU05, ST7LU09
104/124
Figure 45.
Two typical applications with unused I/O pin
Figure 46.
Typical IPU vs. VDD with VIN = VSS
3.
The RPU pull-up equivalent resistor is based on a resistive transistor (corresponding IPU current
characteristics described in Figure 46).
4.
RPU not applicable on PA3 because it is multiplexed on RESET pin
5.
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.
Table 80.
Output driving current(1)
1.
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
Symbol
Parameter
Conditions
Min
Max
Unit
VOL
(2)
2.
The IIO current sunk must always respect the absolute maximum rating specified in Table 62: Current
characteristics and the sum of IIO (I/O ports and control pins) must not exceed IVSS.
Output low level voltage for PA3/RESET
standard I/O pin (see Figure 48)
IIO = +5mA
1200
mV
IIO = +2mA
400
Output low level voltage for a high sink I/O
pin when 4 pins are sunk at same time
IIO = +20mA
1300
IIO = +8mA
750
VOH
(3)(4)
3.
The IIO current sourced must always respect the absolute maximum rating specified in Table 62: Current
characteristics and the sum of IIO (I/O ports and control pins) must not exceed IVDD. True open drain I/O
pins do not have VOH.
4.
Not tested in production, based on characterization results.
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
IIO = -5mA
VDD - 1500
IIO = -2mA
VDD -800
10k
UNUSED I/O PORT
ST7XXX
10k
UNUSED I/O PORT
ST7XXX
VDD
Caution: During normal operation the ICCCLK pin must be pulled- up, internally or externally
(external pull-up of 10k mandatory in
This is to avoid entering ICC mode unexpectedly during a reset.
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.
0
10
20
30
40
50
60
70
80
90
2.
4
2.
8
3.
2
3.
6
4
4.
4
4.
8
5.
2
5.
6
VDD [V]
IP
U
[u
A
]
-45°C
25°C
90°C
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