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P87LPC769HD IC产品库存

P87LPC769HD:全新原装
库存编号:
80880
产品型号:
P87LPC769HD
厂商:
Philips
封装:
SOP-20
库存数量:
2390
参考价:
0
起订量:
5
点击率:
1157
PDF搜索:
下载
立即订购:
P87LPC769HD
联系电话:
0755-82516777

P87LPC769HD 产品描述

全新原装

P87LPC769HD 产品简介

FEATURES
• An accelerated 80C51 CPU provides instruction cycle times of 300–600 ns for all instructions except multiply and divide when executing at 20 MHz. Execution at up to 20 MHz when VDD = 4.5 V to 5.5 V
• Four-channel multiplexed 8-bit A/D converter. Conversion time of 9.3 µS at fosc = 20 MHz.
• Two Digital to Analog Converter (DAC) outputs. (One D/A output shared with the A/D).
• 4 Kbytes EPROM code memory.
• 128 byte RAM data memory.
• 32-byte customer code EPROM allows serialization of devices,storage of setup parameters, etc.
• Two 16-bit counter/timers. Each timer may be configured to toggle a port output upon timer overflow.
• Two analog comparators.
• Full duplex UART.
• I2C communication port.
• Eight keypad interrupt inputs, plus two additional external interrupt inputs.
• Four interrupt priority levels.
•Watchdog timer with separate on-chip oscillator, requiring no external components. The watchdog timeout time is selectable from 8 values.
• Active low reset. On-chip power-on reset allows operation with no external reset components.
• Low voltage reset to allow a graceful system shutdown when power fails. May optionally be configured as an interrupt.
• Oscillator Fail Detect. The watchdog timer has a separate fully on-chip oscillator, allowing it to perform an oscillator fail detect function.
• Configurable on-chip oscillator with frequency range and RC oscillator options (selected by user programmed EPROM bits).The RC oscillator option allows operation with no external oscillator components.
• Programmable port output configuration options:quasi-bidirectional, open drain, push-pull, input-only.
• Selectable Schmitt trigger port inputs.
• LED drive capability (20 mA) on all port pins.
• Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
• 15 I/O pins minimum. Up to 18 I/O pins using on-chip oscillator and reset options.
• Only power and ground connections are required to operate the 87LPC769 when fully on-chip oscillator and reset options are selected.
• Serial EPROM programming allows simple in-circuit production coding. Two EPROM security bits prevent reading of sensitive application programs.
• Idle and Power Down reduced power modes. Improved wakeup from Power Down mode (a low interrupt input starts execution).Typical Power Down current is 1 µA.>

P87LPC769HD 产品图片

P87LPC769HD 相关库存

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P87LPC769HD 论坛相关



联系方式

联系时间:每周一至周五
   上午9.00至11:45,
   下午13:30至17.50
联系电话:
   0755-82516668,82516777
联系传真:
   0755-82518701
业务联系QQ:
   QQ一:882222 ,QQ二:308917
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