P89LPC9401 datasheet(45/59 Pages) PHILIPS

45 / 59 page

P89LPC9401_1

Preliminary data sheet

Rev. 01 — 5 September 2005

45 of 59

Philips Semiconductors

P89LPC9401

8-bit two-clock 80C51 microcontroller with 32 segment

× 4 LCD driver

[1]

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

[2]

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

real-time clock, and watchdog timer.

[3]

The IDD(tpd) speciﬁcation is measured using an external clock with the following functions disabled: comparators, real-time clock,

brownout detect, and watchdog timer.

[4]

See Section 8 “Limiting values” on page 43 for steady state (non-transient) limits on IOL or IOH. If IOL/IOH exceeds the test condition,

VOL/VOH may exceed the related speciﬁcation.

[5]

Pin capacitance is characterized but not tested.

[6]

Measured with port in quasi-bidirectional mode.

[7]

Measured with port in high-impedance mode.

[8]

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

highest when VI is approximately 2 V.

Vbo

brownout trip voltage

2.4 V < VDD < 3.6 V; with

BOV = 1, BOPD = 0

2.40

2.70

Vref(bg)

band gap reference voltage

1.11

1.23

1.34

TCbg

band gap temperature

coefﬁcient

ppm/

Table 11:

Static electrical characteristics …continued

VDD = 2.4 V to 3.6 V unless otherwise speciﬁed.

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

Symbol

Parameter

Conditions

Min

Typ [1]

Max

Unit

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