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参数资料
| 型号： | P87C554 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 80C51 8-bit microcontroller(80C51 8位微控制器) |
| 中文描述： | 80C51的8位微控制器（80C51的8位微控制器） |
| 文件页数： | 2/78页 |
| 文件大小： | 393K |
| 代理商： | P87C554 |
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Philips Semiconductors
Preliminary specification
80C554/83C554/87C554
80C51 8-bit microcontroller
16K/512 OTP/ROM/ROMless, 8 channel 10 bit A/D, I
2
C, PWM,
capture/compare, high I/O
2
1999 Apr 07
DESCRIPTION
The 8xC554 Single-Chip 8-Bit Microcontroller is manufactured in an
advanced CMOS process and is a derivative of the 80C51
microcontroller family. The 87C554 has the same instruction set as
the 80C51. Three versions of the derivative exist:
83C554—16k bytes programmable ROM
80C554—ROMless version of the 83C554
87C554—16k bytes EPROM
The 87C554 contains a 16k
×
8 non-volatile EPROM, a 512
×
8
read/write data memory, five 8-bit I/O ports, one 8-bit input port, two
16-bit timer/event counters (identical to the timers of the 80C51), an
additional 16-bit timer coupled to capture and compare latches, a
15-source, four-priority-level, nested interrupt structure, an 8-input
ADC, a dual DAC pulse width modulated interface, two serial
interfaces (UART and I
2
C-bus), a “watchdog” timer and on-chip
oscillator and timing circuits. For systems that require extra
capability, the 8xC554 can be expanded using standard TTL
compatible memories and logic.
In addition, the 8xC554 has two software selectable modes of power
reduction—idle mode and power-down mode. The idle mode freezes
the CPU while allowing the RAM, timers, serial ports, and interrupt
system to continue functioning. Optionally, the ADC can be operated
in Idle mode. The power-down mode saves the RAM contents but
freezes the oscillator, causing all other chip functions to be
inoperative.
The device also functions as an arithmetic processor having
facilities for both binary and BCD arithmetic plus bit-handling
capabilities. The instruction set consists of over 100 instructions:
49 one-byte, 45 two-byte, and 17 three-byte. With a 16MHz crystal,
58% of the instructions are executed in 0.75
μ
s and 40% in 1.5
μ
s.
Multiply and divide instructions require 3
μ
s.
FEATURES
80C51 central processing unit
16k
×
8 EPROM expandable externally to 64k bytes
An additional 16-bit timer/counter coupled to four capture registers
and three compare registers
Two standard 16-bit timer/counters
512
×
8 RAM, expandable externally to 64k bytes
Capable of producing eight synchronized, timed outputs
A 10-bit ADC with eight multiplexed analog inputs
Fast 8-bit ADC option
Two 8-bit resolution, pulse width modulation outputs
Five 8-bit I/O ports plus one 8-bit input port shared with analog
inputs
I
2
C-bus serial I/O port with byte oriented master and slave
functions
On-chip watchdog timer
Extended temperature ranges
Full static operation – 0 to 16 MHz
Operating voltage range: 2.7V to 5.5V (0 to 16MHz) and
4.5V to 5.5V (16 to 33 MHz)
Security bits:
– ROM – 2 bits
– OTP/EPROM – 3 bits
Encryption array – 64 bytes
4 level priority interrupt
15 interrupt sources
Full-duplex enhanced UART
– Framing error detection
– Automatic address recognition
Power control modes
– Clock can be stopped and resumed
– Idle mode
– Power down mode
Second DPTR register
ALE inhibit for EMI reduction
Programmable I/O pins
Wake-up from power-down by external interrupts
Software reset
Power-on detect reset
ADC charge pump disable
ONCE mode
ADC active in Idle mode
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P87C554SBAA | 制造商:NXP Semiconductors 功能描述:MCU 8-Bit 87C 80C51 CISC 16KB EPROM 5V 68-Pin PLCC |
| P87C554SBAA,512 | 功能描述:8位微控制器 -MCU 80C51 16K/512 OTP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P87C554SBBD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP |
| P87C554SFAA | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller ? 12 clock operation 16K/512 OTP/RAM 8 channel 10-bit A/D, I2C, PWM, capture/compare, high I/O |
| P87C554SFAA,512 | 功能描述:8位微控制器 -MCU 80C51 16K/512 OTP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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