参数资料
型号: ST72651AR6T1E/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, ROHS COMPLIANT, TQFP-64
文件页数: 45/161页
文件大小: 2656K
代理商: ST72651AR6T1E/XXX
ST72651AR6
139/161
Doc ID 7215 Rev 4
13.9 CONTROL PIN CHARACTERISTICS
13.9.1 Asynchronous RESET Pin
Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.
Notes:
1. Data based on characterization results, not tested in production.
2. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested.
3. The IIO current sunk must always respect the absolute maximum rating specified in Section 13.2 and the sum of IIO (I/
O ports and control pins) must not exceed IVSS.
4. The RON pull-up equivalent resistor is based on a resistive transistor. This data is based on characterization results,
not tested in production.
5. To guarantee the reset of the device, a minimum pulse has to be applied to 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 1)
VDD=5V
VSS
0.3xVDD
V
VIH
Input high level voltage 1)
VDD=5V
0.7xVDD
VDD
Vhys
Schmitt trigger voltage hysteresis 2)
400
mV
VOL
Output low level voltage 3)
VDD=5V
IIO=+5mA
0.68
0.95
V
IIO=+2mA
0.28
0.45
RON
Weak pull-up equivalent resistor 4)
VIN=VSS
VDD=5V
70
100
130
k
Ω
VDD=3.3V
130
200
260
tw(RSTL)out Generated reset pulse duration
External pin or
internal reset sources
41/fSFOSC
th(RSTL)in External reset pulse hold time
5)
20
μs
tg(RSTL)in Filtered glitch duration
100
ns
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