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首页＞ATMEL 爱特梅尔＞8051单片机

AT83251G2D

AT83251G2D 概述

Atmel爱特梅尔8/16-bit 微控制器与串行通讯接口 TSC80251G2D TSC83251G2D TSC87251G2D AT80251G2D AT83251G2D AT87251G2D

The TSC80251G2D products are derivatives of the Atmel Microcontroller family based on the 8/16-bit C251 Architecture. This family of products is tailored to 8/16-bit microcontroller applications requiring an increased instruction throughput, a reduced operating frequency or a larger addressable memory space. The architecture can provide a significant code size reduction when compiling C programs while fully preserving the legacy of C51 assembly routines. The TSC80251G2D derivatives are pin and software compatible with standard 80C51/Fx/Rx/Rx+ with extended on-chip data memory (1 Kbyte RAM) and up to 256 kilobytes of external code and data. Additionally, the TSC83251G2D and TSC87251G2D provide on-chip code memory: 32 kilobytes ROM and 32 kilobytes EPROM/OTPROM respectively. They provide transparent enhancements to Intel’s 8xC251Sx family with an additional Synchronous Serial Link Controller (SSLC supporting TWI, µWire and SPI protocols), a Keyboard interrupt interface, a dedicated Baud Rate Generator for UART, and Power Management features.TSC80251G2D derivatives are optimized for speed and for low power consumption on a wide voltage range. Note: 1.   This Datasheet provides the technical description of the TSC80251G2D derivatives. For further information on the device usage, please request the TSC80251 Programmer’s Guide and the TSC80251G1D Design Guide and errata sheet.

AT83251G2D 特性

1. Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
2. Plug-In Replacement of Intel’s 8xC251Sx
3. C251 Core: Intel’s MCS 251 D-step Compliance
4. 40-byte Register File
5. Registers Accessible as Bytes, Words or Dwords
6. Three-stage Instruction Pipeline
7. 16-bit Internal Code Fetch
8. Enriched C51 Instruction Set
9. 16-bit and 32-bit ALU
10. Compare and Conditional Jump Instructions
11. Expanded Set of Move Instructions
12. Linear Addressing
13. 1 Kbyte of On-Chip RAM
14. External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes
15. TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM
    –  SINGLE PULSE Programming Algorithm
16. TSC83251G2D: 32 kilobytes of On-Chip Masked ROM
17. TSC80251G2D: ROMless Version
18. Four 8-bit Parallel I/O Ports (Ports 0, 1, 2 and 3 of the Standard 80C51)
19. Serial I/O Port: Full Duplex UART (80C51 Compatible) With Independent Baud Rate
    Generator
20. SSLC: Synchronous Serial Link Controller
21. TWI Multi-master Protocol
22. µWire and SPI Master and Slave Protocols
23. Three 16-bit Timers/Counters (Timers 0, 1 and 2 of the Standard 80C51)
24. EWC: Event and Waveform Controller
25. Compatible with Intel’s Programmable Counter Array (PCA)
26. Common 16-bit Timer/Counter Reference with Four Possible Clock Sources (Fosc/4, Fosc/12, Timer 1 and External Input)
27. 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
28. 16-bit Watchdog Timer/Counter Capability
29. Secure 14-bit Hardware Watchdog Timer
30. Power Management
31. Power-On Reset (Integrated on the Chip)
32. Power-Off Flag (Cold and Warm Resets)
33. Software Programmable System Clock
34. Idle Mode
35. Power-down Mode
36. Keyboard Interrupt Interface on Port 1
37. Non Maskable Interrupt Input (NMI)
38. Real-Time Wait States Inputs (WAIT#/AWAIT#)
39. ONCE Mode and Full Speed Real-time In-circuit Emulation Support (Third Party
    Vendors)
40. High Speed Versions:
    –  4.5V to 5.5V
    –  16 MHz and 24 MHz
41. Typical Operating Current: 35 mA at 24 MHz
    24 mA at 16 MHz
42. Typical Power-down Current: 2 µA
43. Low Voltage Version:
    –  2.7V to 5.5V
    –  16 MHz
44. Typical Operating Current:11 mA at 3V
45. Typical Power-down Current: 1 µA
46. Temperature Ranges: Commercial (0°C to +70°C), Industrial (-40°C to +85°C), Automotive ((-40°C to +85°C) ROM only)
47. Option: Extended Range (-55°C to +125°C)
48. Packages: PDIL 40, PLCC 44 and VQFP 44
49. Options: Known Good Dice and Ceramic Packages

AT80251G2D/TSC80251G2D ROMless订购型号

AT83251G2D/TSC83251G2D 32 kilobytes MaskROM 订购型号

AT87251G2D/TSC87251G2D OTPROM订购型号

AT83251G2D 技术支持

1. AT83251G2D 数据手册 DataSheet 下载 . PDF
2. AT83251G2D 英文资料 DataSheet 下载 . PDF
3. ATMEL 爱特梅尔半导体公司产品线. PDF (编号:Atmel Products)