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AT87C5103 概述：
The AT8xC5103 is a high-performance ROM/OTP version of the 80C51 8-bit Microcontroller in 16 and 24-pin packages.
The AT8xC5103 contains a standard C51 CPU core with 12 Kbytes ROM/OTP program memory, 256 bytes of internal RAM, 256 bytes of extended internal RAM, a 5- sources 4-level interrupt system, two timer/counters and a SPI serial bus controller. The AT8xC5103 is also dedicated for analog interfacing applications. For this, it has a five channels Programmable Counter Array.
In addition, the AT8xC5103 implements the X2 speed improvement mechanism. The X2 feature allows to keep the same CPU power at a divided by two oscillator frequency.
AT87C5103 特性
80C51 Compatible CPU Core High-speed Architecture
X2 Speed Improvement Capability (6 Clocks/Machine Cycle)
16 MHz in Standard or X2 mode
256 Bytes RAM
256 Bytes XRAM
12K Bytes ROM/OTP Program Memory
Two 16-bit Timer/Counters T0, T1
5 Channels Programmable Counter Array with High-speed Output, Compare/Capture,
Pulse Width Modulation and Watchdog Timer Capabilities
SPI Interface (Master and Slave mode)
Interrupt Structure with:
– 6 Interrupt Sources
– 4 Interrupt Priority Levels
Power Supply: 3 - 5.5V
Temperature Range: Industrial (-40oC to 85oC), Automotive (-40oC to 125oC)
Package: SSOP16, SSOP24
