參數(shù)資料
型號: P89LPC9103FTK
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-bit microcontrollers with two-clock accelerated 80C51 core 1 kB 3 V byte-erasable Flash with 8-bit A/D converter
中文描述: 8-BIT, FLASH, 18 MHz, MICROCONTROLLER, PDSO10
封裝: 3 X 3 MM, 0.85 MM HEIGHT, PLASTIC, MO-229, SOT-650-1, HVSON-10
文件頁數(shù): 10/58頁
文件大?。?/td> 257K
代理商: P89LPC9103FTK
9397 750 14655
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 11 April 2005
10 of 58
Philips Semiconductors
P89LPC9102/9103/9107
8-bit microcontrollers with two-clock accelerated 80C51 core
P1.5/RST
2
I
I
P1.5 —
Port 1 bit 5 (input-only).
RST —
External Reset input during power-on or if selected via User Configuration
Register 1 (UCFG1). When functioning as a reset input a LOW on this pin resets the
microcontroller, causing I/O ports and peripherals to take on their default states, and
the processor begins execution at address 0.
When using an oscillator frequency
above 12 MHz, the reset input function of P1.5 must be enabled. An external
circuit is required to hold the device in reset at power-up until V
DD
has reached
its specified level. When system power is removed V
DD
will fall below the
minimum specified operating voltage. When using an oscillator frequency
above 12 MHz, in some applications, an external brownout detect circuit may
be required to hold the device in reset when V
DD
falls below the minimum
specified operating voltage.
Ground:
0 V reference.
Power supply:
This is the power supply voltage for normal operation as well as Idle
mode and Power-down mode.
V
SS
V
DD
3
7
I
I
Table 4:
Symbol
P89LPC9102 pin description
…continued
Pin
Type
Description
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