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ST7LITEUSX Datasheet(PDF) 86 Page - STMicroelectronics

Part # ST7LITEUSX
Description  8-bit MCU with single voltage Flash memory, ADC, timers
PDF  108 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITEUSX Datasheet(HTML) 86 Page - STMicroelectronics

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12.9 CONTROL PIN CHARACTERISTICS
12.9.1 Asynchronous RESET Pin
TA = -40°C to 125°C, unless otherwise specified
Notes:
1. Data based on characterization results, not tested in production.
2. The IIO current sunk must always respect the absolute maximum rating specified in section 12.2.2 on page 68 and the
sum of IIO (I/O ports and control pins) must not exceed IVSS.
3. The RON pull-up equivalent resistor is based on a resistive transistor. Specified for voltages on RESET pin between
VILmax and VDD
4. To guarantee the reset of the device, a minimum pulse has to be applied to the RESET pin. All short pulses applied on
RESET pin with a duration below th(RSTL)in can be ignored.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL
Input low level voltage
VSS - 0.3
0.3xVDD
V
VIH
Input high level voltage
0.7xVDD
VDD + 0.3
Vhys
Schmitt trigger voltage hysteresis 1)
2V
VOL
Output low level voltage 2)
VDD=5V IIO=+2mA
400
mV
RON
Pull-up equivalent resistor 3)
VIN=VSS
VDD=5V
30
50
70
k
Ω
VDD=3V
90 1)
tw(RSTL)out Generated reset pulse duration
Internal reset sources
90 1)
µs
th(RSTL)in External reset pulse hold time
4)
20
µs
tg(RSTL)in Filtered glitch duration
200
ns
1



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