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參數(shù)資料
| 型號： | 935263208557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | PLASTIC, QFP-80 |
| 文件頁數(shù)： | 72/76頁 |
| 文件大?。?/td> | 567K |
| 代理商： | 935263208557 |
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2 of 4
P83C557E4,
P80C557E4, P89C557E4
handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 45 two-byte, and 17 three- byte.
With a 16 MHz system clock, 58% of the instructions are executed in 0.75 s and 40% in 1.5 s. Multiply and divide
instructions require 3 s.
P8xC557Ex factsheet
Features
l
80C51 central processing unit
l
32 K × 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes
l
ROM/FEEPROM Code protection
l
1024 × 8 RAM, expandable externally to 64 Kbytes
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Two standard 16-bit timer/counters
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An additional 16-bit timer/counter coupled to four capture registers and three compare registers
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A 10-bit ADC with eight multiplexed analog inputs and programmable autoscan
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Two 8-bit resolution, pulse width modulation outputs
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Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs
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IC-bus serial I/O port with byte oriented master and slave functions
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Full-duplex UART compatible with the standard 80C51
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On-chip watchdog timer
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15 interrupt sources with 2 priority levels (2 to 6 external sources possible)
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Extended temperature range (-40 to +85°C)
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4.5 to 5.5 V supply voltage range
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Frequency range for 80C51-family standard oscillator: 3.5 MHz to 16 MHz
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PLL oscillator with 32 kHz reference and software-selectable system clock frequency
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Seconds Timer
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Software enable/disable of ALE output pulse
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Electromagnetic compatibility improvements
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Wake-up from Power-down by external or seconds interrupt
Datasheet
Type nr.
Title
Publication
release date
Datasheet status
Page
count
File
size
(kB)
Datasheet
P83C557E4, Single-chip 8-bit microcontroller
02-Mar-99
Product
72
525
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