ST72F324BK6TAS STMicroelectronics, ST72F324BK6TAS Datasheet - Page 163

• Manufacturer Part Number: ST72F324BK6TAS
• Description: 8-BIT MCU
• Manufacturer: STMicroelectronics

ST72324B-Auto
12.9.2
Table 106. Output driving current
1. The I
2. The I
Symbol
V
V
OH
OL
ports and control pins) must not exceed I
(I/O ports and control pins) must not exceed I
(1)
(2)
IO
IO
current sunk must always respect the absolute maximum rating specified in
current sourced must always respect the absolute maximum rating specified in
Output low level voltage for a standard I/O pin when
8 pins are sunk at same time 
(see
Output low level voltage for a high sink I/O pin when
4 pins are sunk at same time 
(see
Output high level voltage for an I/O pin when 4 pins
are sourced at same time 
(see
Figure 68. Unused I/O pins configured as input
1. I/O can be left unconnected if it is configured as output (0 or 1) by the software. This has the advantage of
Figure 69. Typical I
Output driving current
Subject to general operating conditions for V
Figure
Figure 71
Figure 72
greater EMC robustness and lower cost.
70)
and
and
Figure
Figure
Parameter
73)
75)
PU
VSS
vs. V
.
VDD
. True open drain I/O pins do not have V
DD
Doc ID13466 Rev 4
with V
90
80
70
60
50
40
30
20
10
V
0
DD
2
10k
10k
2.5
IN
Ta=1 40°C
Ta=9 5°C
Ta=2 5°C
Ta=-45 °C
3
= V
Unused I/O port
3.5
Unused I/O port
DD
V
Vdd(V)
SS
DD
4
, f
4.5
CPU
= 5V
ST7XXX
ST7XXX
Conditions
(1)
5
, and T
5.5
I
I
I
T
T
I
I
T
T
I
IO
IO
IO
IO
IO
IO
A
A
A
A
Section 12.2.2
6
= +5mA
= +2mA
= +20mA
< 85°
> 85°C
= +8mA
= -5mA,
< 85°C
> 85°C
= -2mA
A
Section 12.2.2
unless otherwise specified.
OH
.
Electrical characteristics
V
V
V
DD
DD
DD
and the sum of I
Min
- 1.4
- 1.6
- 0.7
and the sum of I
Max
1.2
0.5
1.3
1.5
0.6
IO
163/198
(I/O
IO
Unit
V