參數(shù)資料
型號： AT87251G2D-RLTUM
廠商： Atmel
文件頁數(shù)： 1/77頁
文件大?。?/td> 0K
描述： IC MCU 8/16BIT 32K OTP 44-VQFP
標(biāo)準(zhǔn)包裝： 160
系列： 8x251
核心處理器： C251
芯體尺寸： 8/16-位
速度： 24MHz
連通性： EBI/EMI，I²C，Microwire，SPI，UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： OTP
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 4.5 V ~ 5.5 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LQFP
包裝： 托盤
Rev. 4135F–8051–11/06
1
Features
Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
Plug-In Replacement of Intel’s 8xC251Sx
C251 Core: Intel’s MCS251 D-step Compliance
40-byte Register File
Registers Accessible as Bytes, Words or Dwords
Three-stage Instruction Pipeline
16-bit Internal Code Fetch
Enriched C51 Instruction Set
16-bit and 32-bit ALU
Compare and Conditional Jump Instructions
Expanded Set of Move Instructions
Linear Addressing
1 Kbyte of On-Chip RAM
External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes
TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM
– SINGLE PULSE Programming Algorithm
TSC83251G2D: 32 kilobytes of On-Chip Masked ROM
TSC80251G2D: ROMless Version
Four 8-bit Parallel I/O Ports (Ports 0, 1, 2 and 3 of the Standard 80C51)
Serial I/O Port: Full Duplex UART (80C51 Compatible) With Independent Baud Rate
Generator
SSLC: Synchronous Serial Link Controller
TWI Multi-master Protocol
μWire and SPI Master and Slave Protocols
Three 16-bit Timers/Counters (Timers 0, 1 and 2 of the Standard 80C51)
EWC: Event and Waveform Controller
Compatible with Intel’s Programmable Counter Array (PCA)
Common 16-bit Timer/Counter Reference with Four Possible Clock Sources (Fosc/4,
Fosc/12, Timer 1 and External Input)
Five Modules, Each with Four Programmable Modes:
– 16-bit Software Timer/Counter
– 16-bit Timer/Counter Capture Input and Software Pulse Measurement
– High-speed Output and 16-bit Software Pulse Width Modulation (PWM)
– 8-bit Hardware PWM Without Overhead
16-bit Watchdog Timer/Counter Capability
Secure 14-bit Hardware Watchdog Timer
Power Management
Power-On Reset (Integrated on the Chip)
Power-Off Flag (Cold and Warm Resets)
Software Programmable System Clock
Idle Mode
Power-down Mode
Keyboard Interrupt Interface on Port 1
Non Maskable Interrupt Input (NMI)
Real-Time Wait States Inputs (WAIT#/AWAIT#)
ONCE Mode and Full Speed Real-time In-circuit Emulation Support (Third Party
Vendors)
High Speed Versions:
– 4.5V to 5.5V
– 16 MHz and 24 MHz
Typical Operating Current: 35 mA at 24 MHz
24 mA at 16 MHz
Typical Power-down Current: 2 μA
Low Voltage Version:
– 2.7V to 5.5V
–16 MHz
8/16-bit
Microcontroller
with Serial
Communication
Interfaces
TSC80251G2D
TSC83251G2D
TSC87251G2D
AT80251G2D
AT83251G2D
AT87251G2D
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AT87251G2D-SLSUL 功能描述:8位微控制器 -MCU Microcontroller 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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