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AT89C2051-12SUR

AT89C2051-12SUR

AT89C2051-12SUR

Microchip Technology

2KB Flash Microcontroller

SOT-23

AT89C2051-12SUR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Surface MountYES
Number of Terminals 20
Family Name AT89
Instruction Set Architecture CISC
Maximum CPU Frequency (MHz) 12
Maximum Clock Rate (MHz) 12
Data Bus Width (bit) 8
Programmability Yes
Interface Type UART
No. of Timers 2
USART 0
UART 1
I2C 0
I2S 0
Analog Comparators 1
Minimum Operating Supply Voltage (V) 2.7
Typical Operating Supply Voltage (V) 5|3.3
Maximum Operating Supply Voltage (V) 6
Minimum Operating Temperature (°C) -40
Maximum Operating Temperature (°C) 85
Supplier Temperature Grade Industrial
Package Shape RECTANGULAR
Manufacturer Microchip Technology Inc
Number of I/O Lines 15
PackagingTape and Reel
Part StatusActive
Technology CMOS
Terminal Position DUAL
Terminal FormGULL WING
Terminal Pitch1.27 mm
Reach Compliance Code compliant
JESD-30 Code R-PDSO-G20
Temperature GradeINDUSTRIAL
Number of I/O 15
Speed 12 MHz
RAM Size 128B
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Program Memory TypeFlash
Program Memory Size 2KB
Bit Size 8
Has ADC NO
DMA Channels NO
PWM Channels NO
DAC Channels NO
Seated Height-Max 2.65 mm
Core Architecture 8051
On Chip Program ROM Width 8
Ethernet 0
USB 0
ROM Programmability FLASH
SPI 0
Device Core8051
Width 7.5 mm
Length 12.8 mm
RoHS StatusRoHS Compliant
In-Stock:3197 items

AT89C2051-12SUR Product Details

AT89C2051-12SUR Overview


There are 15 I/Os on the Microcontroller. This program has a type of memory called Flash for this MCU's program memory. There is 2KB bytes of program memory in MCU, which corresponds to the size of the program. This is a MICROCONTROLLER, RISC uPs/uCs/Peripheral IC. 8-bits are used in Microcontroller. Currently, MCU chip has NO DMA channels. There are NO PWM channels on the device. With 8051 core architecture, it offers high performance.

AT89C2051-12SUR Features




AT89C2051-12SUR Applications


There are a lot of Microchip Technology
AT89C2051-12SUR Microcontroller applications.


  • Equipment control
  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights

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