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| 型號： | P89LPC9401FBD,551 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 16/59頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 80C51 MCU FLASH 8K 64-LQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 系列： | LPC900 |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 18MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，LCD，LED，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 23 |
| 程序存儲器容量： | 8KB（8K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 256 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.4 V ~ 3.6 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-LQFP |
| 包裝： | 托盤 |
| 配用： | 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART 568-3510-ND - DEMO BOARD SPI/I2C TO UART 568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X |
| 其它名稱： | 568-3227 935278626551 P89LPC9401FBD-S |
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P89LPC9401_1
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 5 September 2005
23 of 59
Philips Semiconductors
P89LPC9401
8-bit two-clock 80C51 microcontroller with 32 segment
× 4 LCD driver
7.13.3 Additional port features
After power-up, all pins are in Input-Only mode. Please note that this is different from
the LPC76x series of devices.
After power-up, all I/O pins except P1.5, may be congured by software.
Pin P1.5 is input only. Pins P1.2 and P1.3 and are congurable for either input-only or
open-drain.
Every output on the P89LPC9401 has been designed to sink typical LED drive current.
However, there is a maximum total output current for all ports which must not be
exceeded. Please refer to Table 11 “Static electrical characteristics” for detailed
specications.
All ports pins that can function as an output have slew rate controlled outputs to limit noise
generated by quickly switching output signals. The slew rate is factory-set to
approximately 10 ns rise and fall times.
7.14 Power monitoring functions
The P89LPC9401 incorporates power monitoring functions designed to prevent incorrect
operation during initial power-up and power loss or reduction during operation. This is
accomplished with two hardware functions: Power-on detect and Brownout detect.
7.14.1 Brownout detection
The Brownout detect function determines if the power supply voltage drops below a
certain level. The default operation is for a Brownout detection to cause a processor reset,
however it may alternatively be congured to generate an interrupt.
Brownout detection may be enabled or disabled in software.
If Brownout detection is enabled the brownout condition occurs when VDD falls below the
when VDD rises above Vbo. If the P89LPC9401 device is to operate with a power supply
that can be below 2.7 V, BOE should be left in the unprogrammed state so that the device
can operate at 2.4 V, otherwise continuous brownout reset may prevent the device from
operating.
For correct activation of Brownout detect, the VDD rise and fall times must be observed.
Please see Table 11 “Static electrical characteristics” for specications.
7.14.2 Power-on detection
The Power-on detect has a function similar to the Brownout detect, but is designed to work
as power comes up initially, before the power supply voltage reaches a level where
Brownout detect can work. The POF ag in the RSTSRC register is set to indicate an
initial power-up condition. The POF ag will remain set until cleared by software.
7.15 Power reduction modes
The P89LPC9401 supports three different power reduction modes. These modes are Idle
mode, Power-down mode, and total Power-down mode.
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相關(guān)代理商/技術(shù)參數(shù) |
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| P89LPC9402 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment 4 LCD driver |
| P89LPC9402FBD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment 4 LCD driver |
| P89LPC9402FBD,557 | 功能描述:8位微控制器 -MCU IC 80C51 MCU FLASH 8K 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 |
| P89LPC9408 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with two-clock 80C51 core 8 kB 3 V byte-erasable flash, 32 segment x 4 LCD driver, 10-bit ADC |
| P89LPC9408FBD | 功能描述:8位微控制器 -MCU 8K FL/10B ADC LCD DRIVER 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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