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ST72324BJ2 데이터시트(PDF) 154 Page - STMicroelectronics

부품명 ST72324BJ2
상세설명  8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
PDF  188 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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ST72324BJ2 데이터시트(HTML) 154 Page - STMicroelectronics

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Electrical characteristics
ST72324B
154/188
Figure 70.
Unused I/O pins configured as input(1)
1.
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.
Figure 71.
Typical IPU vs. VDD with VIN = VSS
12.9.2
Output driving current
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
10k
Ω
Unused I/O port
ST7XXX
10k
Ω
Unused I/O port
ST7XXX
VDD
0
10
20
30
40
50
60
70
80
90
22 .5
33 .5
4
4 .5
55 .5
6
Vd d (V )
T a = 1 40° C
Ta = 9 5 ° C
Ta = 2 5 ° C
Ta = -4 5 ° C
Table 106.
Output driving current
Symbol
Parameter
Conditions
Min
Max
Unit
VOL
(1)
Output low level voltage for a standard I/O pin when
8 pins are sunk at same time
(see Figure 72)
VDD =5V
IIO = +5mA
1.2
V
IIO = +2mA
0.5
Output low level voltage for a high sink I/O pin when
4 pins are sunk at same time
(see Figure 73 and Figure 75)
IIO = +20mA
TA < 85°
TA >85°C
1.3
1.5
IIO = +8mA
0.6
VOH
(2)
Output high level voltage for an I/O pin when 4 pins
are sourced at same time
(see Figure 74 and Figure 77)
IIO = -5mA,
TA < 85°C
TA >85°C
VDD -1.4
VDD -1.6
IIO = -2mA
VDD -0.7
1.
The IIO current sunk must always respect the absolute maximum rating specified in Section 12.2.2 and the sum of IIO (I/O
ports and control pins) must not exceed IVSS.
2.
The IIO current sourced must always respect the absolute maximum rating specified in Section 12.2.2 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.



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