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參數(shù)資料
| 型號： | LN87C54-20 |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM |
| 中文描述： | 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 290K |
| 代理商： | LN87C54-20 |
*
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.
February 1994
COPYRIGHT
INTEL CORPORATION, 1995
Order Number: 270849-004
87C54/87C54-20
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
WITH 16 KBYTES USER PROGRAMMABLE EPROM
Automotive
Y
Extended Automotive Temperature
Range (
b
40
§
C to
a
125
§
C Ambient)
Y
High Performance CHMOS EPROM
Y
Three 16-Bit Timer/Counters
Y
One-to-Three Level Program/Data Lock
System
Y
16K On-Chip EPROM/ROM
Y
256 Bytes of On-Chip Data RAM
Y
Quick Pulse Programming Algorithm
Y
Boolean Processor
Y
32 Programmable I/O Lines
Y
7 Interrupt Sources
Y
Programmable Serial Channel with:
D Framing Error Detection
D Automatic Address Recognition
Y
TTL and CMOS Compatible Logic
Levels
Y
64K External Program Memory Space
Y
64K External Data Memory Space
Y
MCS
é
-51 Compatible Instruction Set
Y
Power Saving Idle and Power Down
Modes
Y
ONCE (On-Circuit Emulation) Mode
Y
RFI Reduction Mode
Y
Available in 12 MHz, 16 MHz and
20 MHz Versions
Y
Available in PLCC and DIP Packages
(See Packaging Spec., Order
Y
231369)
MEMORY ORGANIZATION
PROGRAM MEMORY: Up to 16 Kbytes of the program memory can reside in the on-chip EPROM. The device
can also 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 87C54 is a single-chip control-oriented microcontroller which is fabricated on Intel’s reliable
CHMOS EPROM technology. Being a member of the MCS-51 family, the 87C54 uses the same powerful
instruction set, has the same architecture, and is pin-for-pin compatible with the existing MCS-51 family of
products. The 87C54 is an enhanced version of the 87C51FB. Its added features of 16 Kbytes of program
memory make it an even more powerful microcontroller for applications that require High Speed I/O and
up/down counting capabilities such as brake and traction control.
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