Atmel Corporation

Description

AT89S2051 /S4051 is a powerful microcontroller which provides a addition, the AT89S2051 /S4051 is designed with static logic for operation down to. Migrating from AT89C2051/C4051 to. AT89S2051 /S4051. New Features. 8-bit Pulse-width Modulation. Enhanced UART Serial Port with Framing Error A of the AT89S2051 /S4051 device: 1. JBC to TF0, TF1, IE0, IE1. JBC may cause a loss of interrupt information if used with any interrupt flag (see item. Page 1. Migrating from AT89C2051/C4051 to. AT89LP2052/LP4052. New Features. 20 MIPS throughput at 20 MHz Clock Frequency and 2.7V, 85 C ent from those of Atmels standard 8051 products such as AT89S52 or AT89S2051 . The differences from the standard 8051 are outlined in the following