ST72324BK6-Auto STMicroelectronics, ST72324BK6-Auto Datasheet - Page 36
ST72324BK6-Auto
Manufacturer Part Number
ST72324BK6-Auto
Description
8-bit MCU for automotive, 3.8 to 5.5V operating range with 32 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72324BJ2-AUTO.pdf
(198 pages)
Specifications of ST72324BK6-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and external clock input
4 Power Saving Modes
Slow, Wait, Active Halt, and Halt
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Supply, reset and clock management
Figure 13. RESET sequences
6.5
6.5.1
36/198
RESET pin
Watchdog
reset
External
RESET
source
V
V
IT+(LVD)
IT-(LVD)
System integrity management (SI)
The system integrity management block contains the LVD and auxiliary voltage detector
(AVD) functions. It is managed by the SICSR register.
LVD (low voltage detector)
The LVD function generates a static reset when the V
reference value. This means that it secures the power-up as well as the power-down
keeping the ST7 in reset.
The V
on in order to avoid a parasitic reset when the MCU starts running and sinks current on the
supply (hysteresis).
The LVD reset circuitry generates a reset when V
●
●
The LVD function is illustrated in
The voltage threshold can be configured by option byte to be low, medium or high.
V
V
IT-
IT+
IT-
V
Run
DD
reference value for a voltage drop is lower than the V
when V
when V
Active phase
DD
DD
reset
LVD
is falling
is rising
Doc ID13466 Rev 4
t
h(RSTL)in
Figure
Run
13.
Watchdog underflow
phase
Active
External
reset
DD
is below:
DD
Internal reset (256 or 4096 T
Vector fetch
Run
supply voltage is below a V
IT+
Active
phase
Watchdog
t
w(RSTL)out
reset
reference value for power-
Run
ST72324B-Auto
CPU
)
IT-
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