ST72321J7-Auto STMicroelectronics, ST72321J7-Auto Datasheet - Page 204
ST72321J7-Auto
Manufacturer Part Number
ST72321J7-Auto
Description
8-bit MCU for automotive with 48 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
Manufacturer
STMicroelectronics
Datasheet
1.ST72321R9-AUTO.pdf
(243 pages)
Specifications of ST72321J7-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt, Wait and Slow
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Electrical characteristics
19.8.2
Table 127. Output driving current
1. The I
2. The I
204/243
Figure 82. Unused I/O pins configured as
Symbol
V
V
OH
OL
ports and control pins) must not exceed I
(I/O ports and control pins) must not exceed I
(0 or 1) by the software. This has the advantage of
Note: I/O can be left unconnected if it is configured as output
greater EMC robustness and lower cost.
(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
Output driving current
Subject to general operating conditions for V
V
input
DD
Figure
Figure 85
Figure 86
10k
10k
84)
and
and
UNUSED I/O PORT
UNUSED I/O PORT
Parameter
Figure
Figure
ST7XXX
ST7XXX
87)
89)
VSS
.
VDD
. True open-drain I/O pins do not have V
Doc ID 13829 Rev 1
Figure 83. Typical I
V
DD
DD
90
80
70
60
50
40
30
20
10
, f
0
= 5V
Conditions
CPU
2
, and T
2.5
I
I
I
T
T
I
I
T
T
I
IO
IO
IO
IO
IO
IO
A
A
A
A
< 85°C
> 85°C
< 85°C
> 85°C
= +5mA
= +2mA
= +20mA,
= +8mA
= -5mA,
= -2mA
Section 19.2.2
Ta=1 40°C
Ta=9 5°C
Ta=2 5°C
Ta=-45 °C
3
A
Section 19.2.2
unless otherwise specified.
PU
OH
3.5
.
vs V
Vdd(V)
V
V
V
4
DD
DD
DD
Min
DD
and the sum of I
- 1.4
- 1.6
- 0.7
4.5
and the sum of I
with V
ST72321xx-Auto
5
Max
IN
1.2
0.5
1.3
1.5
0.6
5.5
= V
IO
(I/O
IO
SS
6
Unit
V
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