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See Technical Specifications

AT89C51RC2-RLTUM +BOM

AT89C51RC2-RLTUM: a microcontroller featuring 8-bit architecture, 32kB of Flash memory, and 1280B of RAM, suitable for voltage levels between 2

Manufacturer:

MICROCHIP TECHNOLOGY INC
Mfr.Part #:

AT89C51RC2-RLTUM
Datasheet:

AT89C51RC2-RLTUM Datasheet (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Obsolete
Reach Compliance Code:

compliant
Has ADC:

NO

AT89C51RC2-RLTUM General Description

One of the standout features of the AT89C51RC2-RLTUM is its compatibility with the industry-standard MCS-51 instruction set architecture. This ensures that existing software can be easily ported to this microcontroller, saving time and effort for developers

Key Features

80C52 Compatible
– 8051 Pin and Instruction Compatible
– Four 8-bit I/O Ports
– Three 16-bit Timer/Counters
– 256 Bytes Scratch Pad RAM
– 9 Interrupt Sources with 4 Priority Levels
– Dual Data Pointer
Variable Length MOVX for Slow RAM/Peripherals
ISP (In-system Programming) Using Standard VCC Power Supply
Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader
High-speed Architecture
– In Standard Mode:
40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
– In X2 mode (6 Clocks/machine cycle)
20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
– 16K/32K Bytes On-chip Flash Program/Data Memory
– Byte and Page (128 Bytes) Erase and Write
– 100K Write Cycles
On-chip 1024 Bytes Expanded RAM (XRAM)
– Software Selectable Size (0, 256, 512, 768, 1024 Bytes)
– 256 Bytes Selected at Reset for TS87C51RB2/RC2 Compatibility
Keyboard Interrupt Interface on Port P1
SPI Interface (Master/Slave Mode)
8-bit Clock Prescaler
Improved X2 Mode with Independent Selection for CPU and Each Peripheral
Programmable Counter Array 5 Channels
– High-speed Output
– Compare/Capture
– Pulse Width Modulator
– Watchdog Timer Capabilities
Asynchronous Port Reset
Full Duplex Enhanced UART
Dedicated Baud Rate Generator for UART
Low EMI (Inhibit ALE)
Hardware Watchdog Timer (One-time Enabled with Reset-out)
Power Control Modes
– Idle Mode
– Power-down Mode
– Power-off Flag
Power Supply:
– 2.7 to 3.6 (3V Version)
– 2.7 to 5.5V (5V Version)
Temperature Ranges: Commercial (0 to +70°C) and Industrial (-40°C to +85°C)
Packages: PDIL40, PLCC44, VQFP44

Specifications

Source Content uid	AT89C51RC2-RLTUM	Pbfree Code	Yes
Part Life Cycle Code	Obsolete	Reach Compliance Code	compliant
Has ADC	NO	Address Bus Width	16
Bit Size	8	CPU Family	8051
Clock Frequency-Max	40 MHz	DAC Channels	NO
DMA Channels	NO	External Data Bus Width	8
JESD-30 Code	S-PQFP-G44	JESD-609 Code	e3
Length	10 mm	Moisture Sensitivity Level	3
Number of I/O Lines	32	Number of Terminals	44
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
PWM Channels	YES	Power Supplies	3/5 V
Qualification Status	Not Qualified	RAM (bytes)	1280
ROM (words)	32768	ROM Programmability	FLASH
Seated Height-Max	1.6 mm	Speed	40 MHz
Supply Current-Max	29 mA	Supply Voltage-Max	5.5 V
Supply Voltage-Min	2.7 V	Supply Voltage-Nom	5 V
Surface Mount	YES	Technology	CMOS
Temperature Grade	INDUSTRIAL	Terminal Finish	MATTE TIN
Terminal Form	GULL WING	Terminal Pitch	0.8 mm
Terminal Position	QUAD	Width	10 mm
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER