Microchip, 8bit 80C52, AT89C51 Microcontroller, 40MHz, 64 kB Flash, 44-Pin VQFP

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Packaging Options:
RS Stock No.:
177-3620
Mfr. Part No.:
AT89C51RD2-RLTUM
Brand:
Microchip
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Brand

Microchip

Family Name

AT89C51

Package Type

VQFP

Mounting Type

Surface Mount

Pin Count

44

Device Core

80C52

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

40MHz

RAM Size

2.048 kB

Number of PWM Units

1 x 8 bit

Number of SPI Channels

1

Number of UART Channels

1

Typical Operating Supply Voltage

5.5 (Maximum) V

Minimum Operating Temperature

-40 °C

Dimensions

10.1 x 10.1 x 1.45mm

Height

1.45mm

Instruction Set Architecture

8051

Width

10.1mm

Program Memory Type

Flash

Length

10.1mm

Maximum Operating Temperature

+85 °C

Pulse Width Modulation

1 (5 x 8 bit)

COO (Country of Origin):
PH
High performance CMOS flash version of the 80C51 CMOS single-chip 8-bit microController: a 64-KB flash memory block for code and for data. The flash memory can be programmed in parallel or serial mode using ISP or software. The programming voltage is internally generated from the standard VCC pin. This device retains all of the features of the Microchip 80C52 and adds a programmable counter array, 1792 bytes of XRAM, hardware watchdog timer, SPI interface, keyboard, versatile serial channel that facilitates multiprocessor communication (EUART), and a speed improvement mechanism (X2 Mode).

80C52 Compatible
8051 Instruction Compatible
Six 8-bit I/O Ports (64 Pins or 68 Pins Versions)
Four 8-bit I/O Ports (44 Pins Version)
Three 16-bit Timer/Counters
256 Bytes Scratch Pad