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ST72361AR4-Auto Datasheet(PDF) 234 Page - STMicroelectronics

Part # ST72361AR4-Auto
Description  Clock, reset and supply management
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72361AR4-Auto Datasheet(HTML) 234 Page - STMicroelectronics

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Electrical characteristics
ST72361xx-Auto
234/279
Doc ID 12468 Rev 3
19.5
Clock and timing characteristics
Subject to general operating conditions for VDD, fOSC, and TA.
Figure 99.
Typical application with an external clock source
Table 94.
General timings
Symbol
Parameter
Conditions
Min
Typ(1)
1.
Data based on typical application software.
Max
Unit
tc(INST)
Instruction cycle time
23
12
tCPU
fCPU = 8 MHz
250
375
1500
ns
tv(IT)
Interrupt reaction time(2)
tv(IT) = tc(INST) + 10
2. Time measured between interrupt event and interrupt vector fetch. Dtc(INST) is the number of
tCPU cycles needed to finish the current instruction execution.
10
22
tCPU
fCPU = 8 MHz
1.25
2.75
µs
Table 95.
External clock source
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOSC1H
OSC1 input pin high level
voltage
see Figure 122
0.7 x VDD
-VDD
V
VOSC1L
OSC1 input pin low level
voltage
VSS
-0.3 x VDD
tw(OSC1H)
tw(OSC1L)
OSC1 high or low time(1)
1.
Data based on design simulation and/or technology characteristics, not tested in production.
25
-
ns
tr(OSC1)
tf(OSC1)
OSC1 rise or fall time(1)
-5
IL
OSCx Input leakage current
VSS  VIN  VDD
-±1
µA
OSC1
OSC2
fOSC
EXTERNAL
ST72XXX
CLOCK SOURCE
Not connected internally
VOSC1L
VOSC1H
tr(OSC1)
tf(OSC1)
tw(OSC1H)
tw(OSC1L)
IL
90%
10%



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