T89C51RD2
ATMEL Corporation
0 to 40MHz Flash Programmable 8-bit MicrocontrollerT89C51RD2
0 to 40MHz Flash Programmable 8-bit Microcontroller
1. Description
ATMEL Wireless and Microcontrollers T89C51RD2 is high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller. It contains a 64 Kbytes Flash memory block fo
T89C51RC2
(T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASHFeatures
• 80C52 Compatible
– 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit timer/counters – 256 Bytes Scratch Pad RAM – 10 Interrupt Sources with 4 Priority Levels – Dual Data Pointer Variable Length MOVX for slow RAM/Peripherals ISP (In-System Programming)
ATMEL Corporation
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T89C51RB2
(T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASHFeatures
• 80C52 Compatible
– 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit timer/counters – 256 Bytes Scratch Pad RAM – 10 Interrupt Sources with 4 Priority Levels – Dual Data Pointer Variable Length MOVX for slow RAM/Peripherals ISP (In-System Programming)
ATMEL Corporation
PDF