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ST72411R 데이터시트(PDF) 60 Page - STMicroelectronics

부품명 ST72411R
상세설명  8-BIT MCU WITH SMARTCARD INTERFACE, LCD DRIVER, 8-BIT TIMER, SAFE RESET AND SUPPLY MONITORING
PDF  71 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72411R 데이터시트(HTML) 60 Page - STMicroelectronics

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7.3 SUPPLY, RESET AND CLOCK CHARACTERISTICS
(T = 0 to +70oC, VDD -VSS = 6 V unless otherwise specified.
Note *: the Vhys hysteresis is constant.
7.4 TIMING CHARACTERISTICS
(Operating conditions T
A = 0 to +70°C unless otherwise specified)
*
∆t
INST is the number of tCPU to finish the current instruction execution.
LOW VOLTAG E DETECTOR AND SUPERVISOR (LVDS)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIT+
Reset release threshold
(VDD rising)
3.7
V
VIT-
Reset generation threshold
(VDD falling)
3.2
V
Vhys
Hysteresis VIT+ -VIT-
500*
mV
RESET SEQUENCE MANAGER (RSM)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
RON
Reset weak pull-up resistance
VIN >VIH
VIN <VIL
20
60
40
120
80
240
k
Ω
tPULSE
External RESET pin Pulse time
20
µs
Symbol
Parameter
Conditi ons
Min
Typ
Max
Unit
tINST
Instruction time
2
12
tCPU
tIRT
Interrupt reaction time
tIRT = ∆tINST + 10*
10
22
tCPU



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