87C552 datasheet(16/24 Pages) PHILIPS

Part #	87C552

Description	80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

87C552

80C51 8-bit microcontroller

8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O

1998 May 01

16

40

30

20

10

12

416

8

f (MHz)

(1)

NOTE:

These values are valid only within the frequency

specifications of the device under test.

IDD mA

50

0

(2)

(3)

(4)

(1) Maximum operating mode; VDD = 6V

(2) Maximum operating mode; VDD = 4V

(3) Maximum idle mode; VDD = 6V

(4) Maximum idle mode; VDD = 4V

SU00217

Figure 10. 16MHz Version Supply Current (IDD) as a Function of Frequency at XTAL1 (fOSC)

VDD

P0

EA

RST

XTAL1

XTAL2

VSS

VDD

IDD

(NC)

CLOCK SIGNAL

VDD

P1.6

P1.7

STADC

AVSS

AVref–

EW

SU00218

Figure 11. IDD Test Condition, Active Mode

All other pins are disconnected1

1. Active Mode:

a. The following pins must be forced to VDD: EA, RST, Port 0, and EW.

b. The following pins must be forced to VSS: STADC, AVss, and AVref–.

c. Ports 1.6 and 1.7 should be connected to VDD through resistors of sufficiently high value such that the sink current into these pins cannot

exceed the IOL1 spec of these pins.

d. The following pins must be disconnected: XTAL2 and all pins not specified above.

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