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87C51GB

更新时间： 2024-11-26 22:38:35
品牌 Logo 应用领域
英特尔 - INTEL 微控制器
页数 文件大小 规格书
22页 313K
描述
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

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87C51GB 数据手册

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8XC51GB  
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER  
Commercial/Express  
87C51GBÐ8 Kbytes OTP/8 Kbytes Internal Program Memory  
83C51GBÐ8 Kbytes Factory Programmable ROM  
80C51GBÐCPU with RAM and I/O  
g
8XC51GBÐ3.5 MHz to 12 MHz 20% V  
8XC51GB-1Ð3.5 MHz to 16 MHz 20% V  
CC  
g
CC  
Y
Y
Y
Y
8 Kbytes On-Chip ROM/OTP ROM  
256 Bytes of On-Chip Data RAM  
48 Programmable I/O Lines with  
40 Schmitt Trigger Inputs  
Y
15 Interrupt Sources with:  
Ð 7 External, 8 Internal Sources  
Ð 4 Programmable Priority Levels  
Two Programmable Counter Arrays  
with:  
Ð 2 x 5 High Speed Input/Output  
Channels Compare/Capture  
Ð Pulse Width Modulators  
Ð Watchdog Timer Capabilities  
Y
Y
Y
Pre-Determined Port States on Reset  
High Performance CHMOS Process  
TTL and CHMOS Compatible Logic  
Levels  
Y
Three 16-Bit Timer/Counters with  
Ð Four Programmable Modes:  
Ð Capture, Baud Rate Generation  
(Timer 2)  
Y
Y
Y
Y
Y
Y
Y
Power Saving Modes  
64K External Data Memory Space  
64K External Program Memory Space  
Three Level Program Lock System  
ONCE (ON-Circuit Emulation) Mode  
Quick Pulse Programming Algorithm  
Y
Y
Dedicated Watchdog Timer  
8-Bit, 8-Channel A/D with:  
Ð Eight 8-Bit Result Registers  
Ð Four Programmable Modes  
Y
Programmable Serial Channel with:  
Ð Framing Error Detection  
Ð Automatic Address Recognition  
MCS 51 Microcontroller Fully  
É
Compatible Instruction Set  
Y
Y
Y
Y
Y
Y
Serial Expansion Port  
Boolean Processor  
Programmable Clock Out  
Extended Temperature Range:  
Oscillator Fail Detect  
Available in 68-Pin PLCC  
b
a
40 C to 85 C)  
(
§
§
MEMORY ORGANIZATION  
PROGRAM MEMORY: Up to 8 Kbytes of the program memory can reside in the on-chip ROM. Also, the device  
can address up to 64K of program memory external to the chip.  
DATA MEMORY: This microcontroller has a 256 x 8 on-chip RAM. In addition it can address up to 64 Kbytes of  
external data memory.  
The Intel 8XC51GB is a single-chip control oriented microcontroller which is fabricated on Intel’s CHMOS III-E  
technology. The 8XC51GB is an enhanced version of the 8XC51FA and uses the same powerful instruction  
set and architecture as existing MCS 51 microcontroller products. Added features make it an even more  
powerful microcontroller for applications that require On-Chip A/D, Pulse Width Modulation, High Speed I/O,  
up/down counting capabilities and memory protection features. It also has a more versatile serial channel that  
facilitates multi-processor communications.  
*Other brands and names are the property of their respective owners.  
Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or  
copyright, for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products. Intel retains the right to make  
changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata.  
©
COPYRIGHT INTEL CORPORATION, 1995  
November 1994  
Order Number: 272337-002  
1234567...22

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