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AT89S4D12 Datasheet 8-bit Microcontroller With 132k Bytes Flash Data Memory

Manufacturer: Atmel (now Microchip Technology)

Overview: AT89S4D12.

General Description

The AT89S4D12 is a low-voltage, highly integrated CMOS 8-bit microputer with 4K bytes of downloadable Flash program memory and 128K bytes of in-system reprogrammable Flash data memory.

The device is manufactured using Atmel’s high density Flash memory technology and is patible with the industry-standard MCS-51™ instruction set.

The 128K bytes of on-chip Flash data memory are accessed as two 64K byte blocks.

Key Features

  • Compatible with MCS-51™ Products.
  • 128K Bytes of In-System Reprogrammable Flash data memory and 4K Bytes of Downloadable Flash Program Memory.
  • Endurance: 1,000 Write/Erase Cycles per Sector.
  • Data Retention: 10 Years Sector Programming: 128 Bytes/Sector Single 3.3V ± 10% Supply On-Chip 12 MHz oscillator Two-Level Program Memory Lock 256-Bytes Internal RAM 5 Programmable I/O Lines Serial Peripheral Interface (SPI) Channel Serial Program Downloading Dual Data Poi.

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AT892051 8-Bit Microcontroller with 2K Bytes Flash
AT894051 8-Bit Microcontroller
AT89C1051 8-Bit Microcontroller with 1K Byte Flash
AT89C1051U 8-Bit Microcontroller with 1K Bytes Flash
AT89C2051 8-Bit Microcontroller
AT89C2051X2 8-bit Microcontroller

AT89S4D12 Distributor