P89C51 데이터 시트보기 (PDF) - Philips Electronics

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P89C51

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller family

4K/8K/16K/32K Flash

BLOCK DIAGRAM 1

Product data

89C51/89C52/89C54/89C58

Standard 80C51+

CPU

Crystal or

Resonator

4K – 32K Byte

Code Flash

128 / 256 Byte

Data RAM

Port 3

Configurable I/Os

Port 2

Configurable I/Os

Port 1

Configurable I/Os

Port 0

Configurable I/Os

Oscillator

Full-duplex enhanced

UART

Timer 0

Timer 1

Timer 2

su01554

2002 Jan 15

4

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