參數(shù)資料
型號: ST72124J2B7
廠商: 意法半導(dǎo)體
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
中文描述: 8位單電壓閃存,ADC和16位定時器,SPI和脊髓損傷界面微控制器
文件頁數(shù): 24/125頁
文件大小: 776K
代理商: ST72124J2B7
ST72334J/N, ST72314J/N, ST72124J
24/125
4 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 Figure 12.
Main Features
I
Supply Manager with Main supply Low voltage
detection (LVD)
I
Reset Sequence Manager (RSM)
I
Multi-Oscillator (MO)
– 4 Crystal/Ceramic resonator oscillators
– 1 External RC oscillator
– 1 Internal RC oscillator
I
Clock Security System (CSS)
– Clock Filter
– Backup Safe Oscillator
Figure 12. Clock, Reset and Supply Block Diagram
IE
D
0
0
0
0
RF
RF
CRSR
CSS
WDG
f
OSC
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 SECURITYSYSTEM
(CSS)
MAIN CLOCK
CONTROLLER
(MCC)
MCO
f
CPU
OSC2
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