P89LPC924FDH datasheet(41/49 Pages) PHILIPS

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Philips Semiconductors

P89LPC924/925

8-bit microcontrollers with accelerated two-clock 80C51 core

Product data

Rev. 03 — 15 December 2004

41 of 49

9397 750 14471

[1]

Typical ratings are not guaranteed. The values listed are at room temperature, 3 V.

[2]

The IDD(oper),IDD(idle), and IDD(PD) speciﬁcations are measured using an external clock with the following functions disabled: comparators,

brownout detect, and watchdog timer.

[3]

See Table 7 “Limiting values[1]” on page 39 for steady state (non-transient) limits on IOL or IOH. If IOL/IOH exceeds the test condition,

VOL/VOH may exceed the related speciﬁcation.

[4]

Pin capacitance is characterized but not tested.

[5]

Measured with port in quasi-bidirectional mode.

[6]

Measured with port in high-impedance mode.

[7]

Ports in quasi-bidirectional mode with weak pull-up (applies to all port pins with pull-ups). Does not apply to open-drain pins.

[8]

Port pins source a transition current when used in quasi-bidirectional mode and externally driven from ‘1’ to ‘0’. This current is highest

when VIN is approximately 2 V.

VBO

brownout trip voltage with

BOV = ‘0’, BOPD = ‘1’

2.4 V < VDD < 3.6 V

2.40

2.70

VREF

bandgap reference voltage

1.11

1.23

1.34

TC(VREF)

bandgap temperature coefﬁcient

ppm/

°C

Table 8:

DC electrical characteristics…continued

VDD = 2.4 V to 3.6 V, unless otherwise speciﬁed.

Tamb = −40 °Cto+85 °C for industrial, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

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