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ST72334J2TA/XXX Datasheet(PDF) 26 Page - STMicroelectronics

Part # ST72334J2TA/XXX
Description  8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
PDF  150 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72334J2TA/XXX Datasheet(HTML) 26 Page - STMicroelectronics

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ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
26/150
8 SUPPLY, RESET AND CLOCK MANAGEMENT
The ST72334J/N-Auto, ST72314J/N-Auto and
ST72124J-Auto microcontrollers include a range
of utility features for securing the application in crit-
ical situations (for example, in case of a power
brown-out), and reducing the number of external
components. An overview is shown in Figure 11.
See Section 15 "ELECTRICAL CHARACTERIS-
TICS" on page 108 for more details.
Main Features
■ Supply Manager with main supply low voltage
detection (LVD)
■ Reset Sequence Manager (RSM)
■ Multi-Oscillator (MO)
– 4 Crystal/Ceramic resonator oscillators
– 1 External RC oscillator
– 1 Internal RC oscillator
■ Clock Security System (CSS)
– Clock Filter
– Backup Safe Oscillator
Figure 11. Clock, Reset and Supply Block Diagram
IE
D
0
0
0
0
RF
RF
CRSR
CSS
WDG
fOSC
CSS INTERRUPT
LVD
LOW VOLTAGE
DETECTOR
(LVD)
MULTI-
OSCILLATOR
(MO)
FROM
WATCHDOG
PERIPHERAL
OSC1
RESET
VDD
VSS
RESET SEQUENCE
MANAGER
(RSM)
CLOCK
FILTER
SAFE
OSC
CLOCK SECURITY SYSTEM
(CSS)
OSC2
TO
MAIN CLOCK
CONTROLLER



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