參數(shù)資料
型號： P89LPC9381FDH
廠商： NXP Semiconductors N.V.
元件分類： 8位微控制器
英文描述： 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB 3 V byte-erasable flash with 10-bit ADC
封裝： P89LPC9381FDH<SOT361-1 (TSSOP28)|<<http://www.nxp.com/packages/SOT361-1.html<1<Always Pb-free,;
文件頁數(shù)： 59/59頁
文件大?。?/td> 286K
代理商： P89LPC9381FDH
P89LPC9381_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 8 September 2006
9 of 60
Philips Semiconductors
P89LPC9381
8-bit microcontroller with 10-bit ADC
[1]
Input/output for P1[0] to P1[4], P1[6], P1[7]. Input for P1[5].
P3[1:0]
I/O
Port 3: Port 3 is a 2-bit I/O port with a user-congurable output type. During reset
Port 3 latches are congured in the input only mode with the internal pull-up
disabled. The operation of Port 3 pins as inputs and outputs depends upon the
port conguration selected. Each port pin is congured independently. Refer to
details.
All pins have Schmitt triggered inputs.
Port 3 also provides various special functions as described below:
P3[0]/XTAL2/
CLKOUT
9
I/O
P3[0] — Port 3 bit 0.
O
XTAL2 — Output from the oscillator amplier (when a crystal oscillator option is
selected via the ash conguration.
O
CLKOUT — CPU clock divided by 2 when enabled via SFR bit (ENCLK -TRIM.6).
It can be used if the CPU clock is the internal RC oscillator, watchdog oscillator or
external clock input, except when XTAL1/XTAL2 are used to generate clock source
for the RTC/system timer.
P3[1]/XTAL1
8
I/O
P3[1] — Port 3 bit 1.
I
XTAL1 — Input to the oscillator circuit and internal clock generator circuits (when
selected via the ash conguration). It can be a port pin if internal RC oscillator or
watchdog oscillator is used as the CPU clock source, and if XTAL1/XTAL2 are not
used to generate the clock for the RTC/system timer.
VSS
7I
ground: 0 V reference.
VDD
21
I
power supply: This is the power supply voltage for normal operation as well as
Idle and Power-down modes.
Table 3.
Pin description …continued
Symbol
Pin
Type
Description
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P89LPC9381FDH,512 功能描述:8位微控制器 -MCU 4K FL/256B RAM/ 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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