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參數(shù)資料
| 型號： | AT80251G2D-SLSUM |
| 廠商： | Atmel |
| 文件頁數(shù)： | 12/77頁 |
| 文件大小： | 0K |
| 描述： | IC 8051 MCU ROMLESS 44PLCC |
| 標準包裝： | 972 |
| 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 |
| 外圍設備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器類型： | ROMless |
| 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-LCC（J 形引線） |
| 包裝： | 管件 |
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2
AT/TSC8x251G2D
4135F–8051–11/06
Typical Operating Current:11 mA at 3V
Typical Power-down Current: 1 μA
Temperature Ranges: Commercial (0°C to +70°C), Industrial (-40°C to +85°C), Automotive ((-40°C to +85°C) ROM only)
Option: Extended Range (-55°C to +125°C)
Packages: PDIL 40, PLCC 44 and VQFP 44
Options: Known Good Dice and Ceramic Packages
Description
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.
Typical Applications
ISDN Terminals
High-Speed Modems
PABX (SOHO)
Line Cards
DVD ROM and Players
Printers
Plotters
Scanners
Banking Machines
Barcode Readers
Smart Cards Readers
High-End Digital Monitors
High-End Joysticks
High-end TV’s
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