参数资料
型号: ST72C334N4B3XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, PLASTIC, SDIP-56
文件页数: 73/153页
文件大小: 2235K
代理商: ST72C334N4B3XXX
ST72334J/N, ST72314J/N, ST72124J
26/153
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 Figure 12.
TICS" on page 107 for more details.
Main Features
s
Supply Manager with main supply low voltage
detection (LVD)
s
Reset Sequence Manager (RSM)
s
Multi-Oscillator (MO)
– 4 Crystal/Ceramic resonator oscillators
– 1 External RC oscillator
– 1 Internal RC oscillator
s
Clock Security System (CSS)
–Clock Filter
– Backup Safe Oscillator
Figure 12. Clock, Reset and Supply Block Diagram
IE
D
0
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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