ST72321J7-Auto STMicroelectronics, ST72321J7-Auto Datasheet - Page 207
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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ST72321xx-Auto
19.9
19.9.1
Table 128. Asynchronous RESET pin characteristics
1. Data based on characterization results, not tested in production.
2. Hysteresis voltage between Schmitt trigger switching levels.
3. The I
4. Data guaranteed by design, not tested in production.
5. To guarantee the reset of the device, a minimum pulse has to be applied to the RESET pin. All short pulses applied on the
6. The reset network (the resistor and two capacitors) protects the device against parasitic resets, especially in noisy
t
w(RSTL)out
t
t
Symbol
h(RSTL)in
g(RSTL)in
ports and control pins) must not exceed I
RESET pin with a duration below t
environments.
R
V
V
V
V
I
hys
IO
ON
OL
IH
IL
IO
current sunk must always respect the absolute maximum rating specified in
Input low level voltage
Input high level voltage
Schmitt trigger voltage
hysteresis
Output low level voltage
Input current on RESET pin
Weak pull-up equivalent resistor
Generated reset pulse duration
External reset pulse hold time
Filtered glitch duration
Control pin characteristics
Asynchronous RESET pin
Subject to general operating conditions for V
(2)
Parameter
h(RSTL)in
(1)
(6)
(1)
(3)
VSS
can be ignored.
(5)
.
Doc ID 13829 Rev 1
V
Stretch applied on external pulse
Internal reset sources
DD
= 5V, I
Conditions
IO
= +2mA
DD
, f
CPU
, and T
Section 19.2.2
A
unless otherwise specified.
0.85xV
Min
2.5
20
20
Electrical characteristics
D
0
D
and the sum of I
Typ
200
2.5
0.2
30
30
2
0.16xV
42
42
Max
120
0.5
D
(4)
(4)
IO
207/243
D
(I/O
Unit
mA
k
µs
ns
V
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