ST72124J2 STMicroelectronics, ST72124J2 Datasheet - Page 26
ST72124J2
Manufacturer Part Number
ST72124J2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72124J2.pdf
(153 pages)
Specifications of ST72124J2
Clock Sources
crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
4 Power Saving Modes
Halt, Active-Halt, Wait and Slow
Two 16-bit Timers With
2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes
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ST72334J/N, ST72314J/N, ST72124J
9 SUPPLY, RESET AND CLOCK MANAGEMENT
The ST72334J/N, ST72314J/N and ST72124J mi-
crocontrollers include a range of utility features for
securing the application in critical situations (for
example in case of a power brown-out), and re-
ducing the number of external components. An
overview is shown in
See
TICS" on page 107
Main Features
Figure 12. Clock, Reset and Supply Block Diagram
26/153
Supply Manager with main supply low voltage
detection (LVD)
Reset Sequence Manager (RSM)
RESET
OSC2
OSC1
Section 16 "ELECTRICAL CHARACTERIS-
VDD
VSS
for more details.
OSCILLATOR
Figure
RESET SEQUENCE
MULTI-
(MO)
LOW VOLTAGE
MANAGER
DETECTOR
(RSM)
(LVD)
12.
CLOCK SECURITY SYSTEM
CLOCK
FILTER
(CSS)
CRSR
SAFE
OSC
PERIPHERAL
– 4 Crystal/Ceramic resonator oscillators
– 1 External RC oscillator
– 1 Internal RC oscillator
– Clock Filter
– Backup Safe Oscillator
WATCHDOG
Multi-Oscillator (MO)
Clock Security System (CSS)
0
FROM
0
f
OSC
0
CONTROLLER
MAIN CLOCK
RF
LVD
TO
0
CSS INTERRUPT
IE
CSS
D
WDG
RF
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