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ST72340 Datasheet(PDF) 172 Page - STMicroelectronics

No. de pieza ST72340
Descripción Electrónicos  8-BIT MCU WITH UP TO 16K FLASH MEMORY, 10-BIT ADC, TWO 16-BIT TIMERS, TWO I2C, SPI, SCI
PDF  191 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72340 Datasheet(HTML) 172 Page - STMicroelectronics

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13.11 CONTROL PIN CHARACTERISTICS
13.11.1 Asynchronous RESET Pin
TA = -40°C to 85°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 13.2.2 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=+5mA
0.5
1.0
V
IIO=+2mA
0.2
0.4
RON
Pull-up equivalent resistor 3) 1)
VDD=5V
20
40
80
k
Ω
VDD=3V
40
70
120
tw(RSTL)out Generated reset pulse duration
Internal reset sources
26
µs
th(RSTL)in External reset pulse hold time
4)
20
µs
tg(RSTL)in Filtered glitch duration
200
ns



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