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AT87251G2D-SLSUL Datasheet

  • AT87251G2D-SLSUL

  • B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACE...

  • 76頁

  • ATMEL   ATMEL

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Features
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Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
Plug-In Replacement of Intel鈥檚 8xC251Sx
C251 Core: Intel鈥檚 MCS
廬
251 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
鈥?SINGLE PULSE Programming Algorithm
TSC83251G1D: 16 kilobytes of On-Chip Masked ROM
TSC83251G1D: 32 kilobytes of On-Chip Masked ROM
TSC80251G1D: 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
渭Wire
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鈥檚 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:
鈥?16-bit Software Timer/Counter
鈥?16-bit Timer/Counter Capture Input and Software Pulse Measurement
鈥?High-speed Output and 16-bit Software Pulse Width Modulation (PWM)
鈥?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:
鈥?4.5V to 5.5V
鈥?16 MHz and 24 MHz
Typical Operating Current: 35 mA at 24 MHz
24 mA at 16 MHz
Typical Power-down Current: 2
渭A
Low Voltage Version:
鈥?2.7V to 5.5V
鈥?16 MHz
8/16-bit
Microcontroller
with Serial
Communication
Interfaces
TSC80251G2D
TSC83251G2D
TSC87251G2D
AT80251G2D
AT83251G2D
AT87251G2D
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Rev. 4135D鈥?051鈥?8/05
1

AT87251G2D-SLSUL 產(chǎn)品屬性

  • Atmel

  • 8-bit Microcontrollers (MCU)

  • 80C51

  • 8 bit

  • 16 MHz

  • 32 KB

  • 1 KB

  • No

  • PLCC-44

  • SMD/SMT

  • 3.48 mm

  • SPI, TWI, UART

  • 16.7 mm

  • + 70 C

  • 0 C

  • 32

  • 3

  • Reel

  • EPROM

  • 972

  • 5.5 V

  • 2.7 V, 4.5 V

  • 16.7 mm

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