參數(shù)資料
型號： P83C524IBA
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-bit microcontrollers
中文描述： 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 45/76頁
文件大小： 400K
代理商： P83C524IBA
1997 Dec 15
45
Philips Semiconductors
Product specification
8-bit microcontrollers
P83C524; P80C528; P83C528
17.1
Power-on reset
When V
DD
is turned on, and provided its rise-time does not
exceed 10 ms, an automatic reset can be obtained by
connecting the RST pin to V
DD
via a 2.2
μ
F capacitor.
When the power is switched on, the voltage on the RST pin
is equal to V
DD
minus the capacitor voltage, and
decreases from V
DD
as the capacitor charges through the
internal resistor (R
RST
) to ground. The larger the capacitor,
the more slowly V
RST
decreases. V
RST
must remain above
the lower threshold of the Schmitt trigger long enough to
effect a complete reset. The time required is the oscillator
start-up time, plus 2 machine cycles, or 16 x 2048 cycles
of the on-chip watchdog oscillator if it is running, whichever
is longer (see Fig.25).
Fig.25 Power-on reset.
handbook, halfpage
DD
RST
2.2
μ
F
RRST
MBC474
P83C528
相關(guān)PDF資料
PDF描述
P83C524IBB 8-bit microcontrollers
P83C524IFB 8-bit microcontrollers
P83C524IFP 8-bit microcontrollers
P83C524IBP 8-bit microcontrollers
P83C524 8-bit microcontrollers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P83C524IBB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524IBP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524IFA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524IFB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524IFP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
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