欢迎访问ic37.com |
会员登录 免费注册
发布采购

AT89S53-16AA 参数 Datasheet PDF下载

AT89S53-16AA图片预览
型号: AT89S53-16AA
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器,带有12K字节的闪存 [8-Bit Microcontroller with 12K Bytes Flash]
分类和应用: 闪存微控制器
文件页数/大小: 32 页 / 474 K
品牌: ATMEL [ ATMEL CORPORATION ]
 浏览型号AT89S53-16AA的Datasheet PDF文件第2页浏览型号AT89S53-16AA的Datasheet PDF文件第3页浏览型号AT89S53-16AA的Datasheet PDF文件第4页浏览型号AT89S53-16AA的Datasheet PDF文件第5页浏览型号AT89S53-16AA的Datasheet PDF文件第6页浏览型号AT89S53-16AA的Datasheet PDF文件第7页浏览型号AT89S53-16AA的Datasheet PDF文件第8页浏览型号AT89S53-16AA的Datasheet PDF文件第9页  
Features
Compatible with MCS-51™ Products
12K Bytes of In-System Reprogrammable Downloadable Flash Memory
– SPI Serial Interface for Program Downloading
– Endurance: 1,000 Write/Erase Cycles
4.0V to 6V Operating Range
Fully Static Operation: 0 Hz to 24 MHz
Three-Level Program Memory Lock
256 x 8-bit Internal RAM
32 Programmable I/O Lines
Three 16-bit Timer/Counters
Nine Interrupt Sources
Programmable UART Serial Channel
SPI Serial Interface
Low Power Idle and Power Down Modes
Interrupt Recovery From Power Down
Programmable Watchdog Timer
Dual Data Pointer
Power Off Flag
8-Bit
Microcontroller
with 12K Bytes
Flash
AT89S53
Description
The AT89S53 is a low-power, high-performance CMOS 8-bit microcomputer with 12K
bytes of Downloadable Flash programmable and erasable read only memory. The
device is manufactured using Atmel’s high density nonvolatile memory technology
and is compatible with the industry standard 80C51 instruction set and pinout. The on-
chip Downloadable Flash allows the program memory to be reprogrammed in-system
through an SPI serial interface or by a conventional nonvolatile memory programmer.
By combining a versatile 8-bit CPU with Downloadable Flash on a monolithic chip, the
Atmel AT89S53 is a powerful microcomputer which provides a highly flexible and cost
effective solution to many embedded control applications.
The AT89S53 provides the following standard features: 12K bytes of Downloadable
Flash, 256 bytes of RAM, 32 I/O lines, programmable watchdog timer, two Data Point-
ers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full
duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89S53 is
designed with static logic for operation down to zero frequency and supports two soft-
ware selectable power saving modes. The Idle Mode stops the CPU while allowing
the RAM, timer/counters, serial port, and interrupt system to continue functioning. The
Power Down Mode saves the RAM contents but freezes the oscillator, disabling all
other chip functions until the next interrupt or hardware reset.
The Downloadable Flash can be changed a single byte at a time and is accessible
through the SPI serial interface. Holding RESET active forces the SPI bus into a serial
programming interface and allows the program memory to be written to or read from
unless Lock Bit 2 has been activated.
0787B-B–12/97
4-217