AT89C51RB2 - 8-bit Microcontroller
(ATMEL Corporation)
Features
• 80C52 Compatible – 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit Timer/Counters – 256 Bytes Scratch Pad RAM – 9.
AT89C51RC - 8-bit Microcontroller
(ATMEL Corporation)
Features
• Compatible with MCS®-51 Products • 32K Bytes of Reprogrammable Flash Memory • Endurance: 10,000 Write/Erase Cycles • 4V to 5.5V Operating R.
AT89C51RC2 - 8-bit Microcontroller
(ATMEL Corporation)
Features
• 80C52 Compatible – 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit Timer/Counters – 256 Bytes Scratch Pad RAM – 9.
AT89C51RE2 - 8-bit Flash Microcontroller
(ATMEL Corporation)
Features
• 80C52 Compatible – 8051 Instruction Compatible
– Four 8-bit I/O Ports (44 Pins Version)
– Three 16-bit Timer/Counters – 256 bytes Scratch P.
AT89C51 - 8-Bit Microcontroller
(ATMEL)
Features
• Compatible with MCS-51™ Products • 4K Bytes of In-System Reprogrammable Flash Memory
– Endurance: 1,000 Write/Erase Cycles • Fully Static O.
AT89C5115 - Low Pin Countl 8-bit Microcontroller
(ATMEL Corporation)
Features
• 80C51 Core Architecture • 256 Bytes of On-chip RAM • 256 Bytes of On-chip XRAM • 16K Bytes of On-chip Flash Memory
– Data Retention: 10 Yea.
AT89C5121 - 8-bit Microcontroller
(ATMEL Corporation)
Features
• 80C51 Core
– 12 or 6 Clocks per Instruction (X1 and X2 Modes) – 256 Bytes Scratchpad RAM – Dual Data Pointer – Two 16-bit Timer/Counters: T.
AT89C5122 - (AT8xx512x) Smart Card Reader ICs
(ATMEL Corporation)
Features
• 80C51 Core : • • • • • • •
– 6 Clocks per Instruction – Speed up to 16 MHz 768 Bytes RAM AT83C5122: 32 Kbytes ROM AT83C5123: 30 Kbytes ROM .