LPC2142 datasheet(28/45 Pages) NXP

28 / 45 page

LPC2141_42_44_46_48

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Product data sheet

Rev. 5 — 12 August 2011

28 of 45

NXP Semiconductors

LPC2141/42/44/46/48

Single-chip 16-bit/32-bit microcontrollers

IDD(act)

active mode supply

current

VDD =3.3 V; Tamb =25 C;

code

while(1){}

executed from flash, no active

peripherals

CCLK = 10 MHz

-15

CCLK = 60 MHz

4070mA

VDD =3.3 V; Tamb =25 C;

code executed from flash; USB

enabled and active; all other

peripherals disabled

CCLK = 12 MHz

-27

CCLK = 60 MHz

5790mA

IDD(pd)

Power-down mode

supply current

VDD =3.3 V; Tamb =25 C

100

A

VDD =3.3 V; Tamb =85 C-

250

500

A

IBATpd

Power-down mode

battery supply current

RTC clock = 32 kHz

(from RTCXn pins);

Tamb =25 C

VDD =3.0 V; Vi(VBAT) =2.5 V

[12] -15

A

VDD =3.0 V; Vi(VBAT) = 3.0 V

A

IBATact

active mode battery

supply current

CCLK = 60 MHz;

PCLK = 15 MHz;

PCLK enabled to RTCK;

RTC clock = 32 kHz

(from RTCXn pins);

Tamb =25 C

VDD =3.0 V; Vi(VBAT) =3.0 V

[12] -78

A

IBATact(opt)

optimized active mode

battery supply current

PCLK disabled to RTCK in the

PCONP register;

RTC clock = 32 kHz

(from RTCXn pins);

Tamb =25 C; Vi(VBAT) =3.3 V

CCLK = 25 MHz

[12][13] -23

A

CCLK = 60 MHz

A

I2C-bus pins

VIH

HIGH-level input voltage

0.7VDD

--V

VIL

LOW-level input voltage

0.3VDD

Vhys

hysteresis voltage

0.05VDD

-V

VOL

LOW-level output

voltage

IOLS =3 mA

[8] --0.4

ILI

input leakage current

VI =VDD

[14] -2

A

VI = 5 V

A

Oscillator pins

Vi(XTAL1)

input voltage on pin

XTAL1

0.5

1.8

1.95

Table 5.

Static characteristics …continued

Tamb = 40 C to +85 C for commercial applications, unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

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