Microchip AT89S4051-24SU 8-bit Microcontroller, 4KB Flash, 256B SRAM, 24MHz, SO20W

Technical description of the product (AT89S4051-24SU):

The Microchip AT89S4051-24SU is an 8-bit microcontroller from the ATMEL AT89 family. It features 4 KByte of Flash program memory and 256 Byte of SRAM data memory. The maximum CPU clock frequency is 24 MHz. This surface-mounted (SMD) component in an SO20W package offers 20 pins and 15 input/output pins. Digital peripherals like PWM and UART, as well as an analog comparator, are integrated. The microcontroller operates with a supply voltage from +2.7 V to +5.5 V and an operating temperature range of -40 °C to +85 °C. RoHS compliant.