ARM7 datasheet(27/38 Pages) PHILIPS

27 / 38 page

9397 750 14985

Preliminary data sheet

Rev. 01 — 3 October 2005

27 of 38

Philips Semiconductors

LPC2141/42/44/46/48

Single-chip 16-bit/32-bit microcontrollers

IBATpd

Power-down mode battery

supply current [11]

RTC clock = 32 kHz

(from RTXC pins),

Ta = +25 °C

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

<tbd>

µA

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

<tbd>

µA

IBATact

active mode battery supply

current [11]

CCLK = 60 MHz,

PCLK = 15 MHz,

PCLK enabled to RTCK,

RTC clock = 32 kHz

(from RTXC pins),

Ta = +25 °C

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

<tbd>

µA

IBATact(opt)

optimized active mode

battery supply

current [11] [12]

PCLK disabled to RTCK in

the PCONP register,

RTC clock = 32 kHz

(from RTXC pins),

Ta = +25 °C, Vi(VBAT) = 3.3 V

CCLK = 10 MHz

<tbd>

µA

CCLK = 60 MHz

<tbd>

µA

I2C-bus pins

VIH

HIGH-state input voltage

0.7VDD(3V3) --V

VIL

LOW-state input voltage

0.3VDD(3V3) V

Vhys

hysteresis voltage

0.5VDD(3V3) -V

VOL

LOW-state output

voltage [7]

IOLS = 3 mA

0.4

ILI

input leakage current [13]

VI =VDD

-2

µA

VI =5V

µA

Oscillator pins

Vi(XTAL1)

input voltage on pin XTAL1

1.8

Vo(XTAL2)

output voltage on pin

XTAL2

1.8

Vi(RTXC1)

input voltage on pin

RTXC1

1.8

Vo(RTXC2)

output voltage on pin

RTXC2

1.8

USB pins

IOZ

OFF-state output current

0 V < VI < 3.3 V

±10

µA

VBUS

VBUS line input voltage on

the USB connector

5.25

VDI

differential input sensitivity |(D+)

− (D−)|

0.2

VCM

differential common-mode

range

includes VDI range

0.8

2.5

Vth(rs)se

single-ended receiver

switching threshold

voltage

0.8

2.0

Table 5:

Static characteristics …continued

Ta = −40 °C to +85 °C for commercial applications, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ [1]

Max

Unit

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