AT89C51AC3 Overview
The AT89C51AC3 is a high performance Flash version of the 80C51 single chip 8-bit microcontrollers. In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time. Besides the AT89C51AC3 provides 64K Bytes of Flash memory including In-System Programming (ISP) and IAP, 2K Bytes Boot Flash Memory, 2K Bytes EEPROM and 2048 byte ERAM.
AT89C51AC3 Key Features
- 80C51 Core Architecture
- 256 Bytes of On-chip RAM
- 2048 Bytes of On-chip ERAM
- 64K Bytes of On-chip Flash Memory
- Data Retention: 10 Years at 85°C
- Read/Write Cycle: 100K
- Boot Code Section with Independent Lock Bits
- 2K Bytes of On-chip Flash for Bootloader
- In-System Programming by On-Chip UART Boot Program and IAP Capability
- 2K Bytes of On-chip EEPROM