P87C552 datasheet(24/74 Pages) PHILIPS

Part #	P87C552

Description	80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, low voltage 2.7V.5.5V, low power

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Manufacturer	PHILIPS [NXP Semiconductors]

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24 / 74 page

Philips Semiconductors

Preliminary specification

P87C552

80C51 8-bit microcontroller

8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM,

capture/compare, high I/O, low voltage (2.7V–5.5V), low power

1999 Mar 30

24

EOC

SOC

RESET SAR

Start of Conversion

END OF CONVERSION

[BIT POINTER] = MSB

[BIT]N = 1

CONVERSION TIME

TEST

COMPLETE

[BIT]N = 0

[BIT POINTER] + 1

TEST BIT

POINTER

10

END

SU00959

Figure 21. A/D Conversion Flowchart

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