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參數(shù)資料
| 型號： | AT83C5112 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-bit Microcontroller with A/D Converter |
| 中文描述： | 8位微控制器與A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/97頁 |
| 文件大小： | 1229K |
| 代理商： | AT83C5112 |
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Rev. 4191B–8051–04/03
Features
80C51 Compatible
– Five I/O Ports
– Two 16-bit Timer/Counters
– 256 Bytes RAM
8K Bytes ROM/OTP Program Memory with 64 Bytes Encryption Array and 3 Security
Levels
High-Speed Architecture
–
33 MHz at 5V (66 MHz Equivalent)
–
X2 Speed Improvement Capability (6 Clocks/Machine Cycle)
10-bit, 8 Channels A/D Converter
Hardware Watchdog Timer with Reset-out
Programmable I/O Mode: Standard C51, Input Only, Push-pull, Open Drain
Asynchronous Port Reset
Full Duplex Enhanced UART with Baud Rate Generator
SPI, Master Mode
Dual System Clock
–
Crystal or Ceramic Oscillator (33/40 MHz)
–
Internal RC Oscillator (12 MHz)
–
Programmable Prescaler
Programmable Counter Array with High-speed Output, Compare/Capture, Pulse Width
Modulation and Watchdog Timer Capabilities
Interrupt Structure
–
8 Interrupt Sources
–
4 Interrupt Priority Levels
Power Control Modes
–
Idle Mode
–
Power-down Mode
–
Power-off Flag
Power Supply: 2.7 - 5.5V
Temperature Range: Industrial (-40 To 85
°
C)
Package: LQFP48 (Body 7*7*1.4 mm), PLCC52
Description
The AT8xC5112 is a high performance ROM/OTP version of the 80C51 8-bit
microcontroller.
The
AT8xC5112 retains all the features of the standard 80C51 with 8 Kbytes
ROM/OTP program memory, 256 bytes of internal RAM, a 8-source, 4-level interrupt
system, an on-chip oscillator and two timer/counters.
The AT8xC5112 is dedicated for analog interfacing applications. For this, it has a 10-
bit, 8 channels A/D converter and a five channels Programmable Counter Array.
In addition, the AT8xC5112 has a Hardware Watchdog Timer, a versatile serial chan-
nel that facilitates multiprocessor communication (EUART) with an independent baud
rate generator, a SPI serial bus controller and a X2 speed improvement mechanism.
The X2 feature allows to keep the same CPU power at a divided by two oscillator
frequency.
The fully static design of the AT8xC5112 allows to reduce system power consumption
by bringing the clock frequency down to any value, even DC, without loss of data.
8-bit
Microcontroller
with A/D
Converter
AT80C5112
AT83C5112
AT87C5112
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