參數(shù)資料
型號: ST72F324BJ2T5
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, LQFP-44
文件頁數(shù): 43/167頁
文件大小: 2651K
代理商: ST72F324BJ2T5
ST72323 ST72323L
Electrical characteristics
Figure 80.
RESET pin protection(1),(2),(3),(4)
1.
The reset network protects the device against parasitic resets.
2.
The output of the external reset circuit must have an open-drain output to drive the ST7 reset pad.
Otherwise the device can be damaged when the ST7 generates an internal reset (watchdog).
3.
Whatever the reset source is (internal or external), the user must ensure that the level on the RESET pin
can go below the VIL max. level specified in Section 11.9.1. Otherwise the reset will not be taken into
account internally.
4.
Because the reset circuit is designed to allow the internal RESET to be output in the RESET pin, the user
must ensure that the current sunk on the RESET pin (by an external pull-up or external reset circuit for
example) is less than the absolute maximum value specified for IINJ(RESET) in Section Table 61. on page
11.9.2
ICCSEL pin
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
0.01 F
external
reset
circuit
User
VDD
4.7 k
Ω
ST72XXX
Pulse
generator
Filter
RON
VDD
Watchdog
Internal
reset
Table 81.
CCSEL pin characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
VIL
Input low level voltage(1)
1.
Data based on design simulation and/or technology characteristics, not tested in production.
VSS
0.3VDD
V
VIH
Input high level voltage(1)
0.7VDD
VDD
IL
Input leakage current
VIN = VSS
±1
A
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ST72F324BJ4T3 功能描述:8位微控制器 -MCU ST72324B 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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