P89LPC954 datasheet(52/69 Pages) NXP

52 / 69 page

P89LPC952_954_4

Product data sheet

Rev. 04 — 24 July 2008

52 of 69

NXP Semiconductors

P89LPC952/954

8-bit microcontroller with 10-bit ADC

[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,

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 9 “Limiting values” 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]

This speciﬁcation can be applied to pins which have A/D input or analog comparator input functions when the pin is not being used for

those analog functions. When the pin is being used as an analog input pin, the maximum voltage on the pin must be limited to 4.0 V with

respect to VSS.

[6]

Pin capacitance is characterized but not tested.

[7]

Measured with port in quasi-bidirectional mode.

[8]

Measured with port in high-impedance mode.

[9]

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.

Ciss

input capacitance

[6] -

IIL

LOW-level input current

VI = 0.4 V

[7] --

−80

µA

ILI

input leakage current

VI =VIL, VIH, or Vth(HL)

[8] --

±1

µA

ITHL

HIGH-LOW transition current

all ports; VI = 1.5 V at

VDD = 3.6 V

[9]

−30

−450

µA

RRST_N(int) internal pull-up resistance on

pin RST

Ω

Vbo

brownout trip voltage

BOE = 1

2.4

2.7

Vref(bg)

band gap reference voltage

1.19

1.23

1.27

TCbg

band gap temperature

coefﬁcient

ppm/

°C

Table 11.

Static 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

P89LPC954 Datasheet(PDF) 52 Page - NXP Semiconductors

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