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參數(shù)資料
| 型號： | ST62T03CM6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO16 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 18/100頁 |
| 文件大?。?/td> | 1440K |
| 代理商： | ST62T03CM6E |
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ST6200C/ST6201C/ST6203C
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RESET (Cont’d)
6.1.3 RESET Pin
The RESET pin may be connected to a device on
the application board in order to reset the MCU if
required. The RESET pin may be pulled low in
RUN, WAIT or STOP mode. This input can be
used to reset the internal state of the MCU and en-
sure it starts-up correctly. The pin, which is con-
nected to an internal pull-up, is active low and fea-
tures a Schmitt trigger input. A delay (2048 clock
cycles) added to the external signal ensures that
even short pulses on the RESET pin are accepted
as valid, provided VDD has completed its rising
phase and that the oscillator is running correctly
(normal RUN or WAIT modes). The MCU is kept in
the Reset state as long as the RESET pin is held
low.
If the RESET pin is grounded while the MCU is in
RUN or WAIT modes, processing of the user pro-
gram is stopped (RUN mode only), the I/O ports
are configured as inputs with pull-up resistors and
the main oscillator is restarted. When the level on
the RESET pin then goes high, the initialization se-
quence is executed at the end of the internal delay
period.
If the RESET pin is grounded while the MCU is in
STOP mode, the oscillator starts up and all the I/O
ports are configured as inputs with pull-up resis-
tors. When the RESET pin level then goes high,
the initialization sequence is executed at the end
of the internal delay period.
A simple external RESET circuitry is shown in Fig-
ure 15. For more details, please refer to the appli-
cation note AN669.
Figure 14. Reset Block Diagram
fINT
COU
N
TER
RESET
WATCHDOG RESET
LVD RESET
INTERNAL
RESET
RESD
1)
1) Resistive ESD protection.
VDD
RPU
2
048
clock
cycle
s
1
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| ST62T09CB6 | 功能描述:8位微控制器 -MCU OTP EPROM 1K No Intf 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(shí)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 |
| ST62T09CB6 | 制造商:STMicroelectronics 功能描述:IC 8BIT MCU OTP 2K 62T09 DIP20 |
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