LPC2921 datasheet(56/81 Pages) PHILIPS

56 / 81 page

LPC2921_2923_2925_0

Preliminary data sheet

Rev. 00.01 — 24 October 2008

56 of 81

NXP Semiconductors

LPC2921/2923/2925

ARM9 microcontroller with CAN and LIN

II(pd)

pull-down input current

all port pins, VI = 3.3 V;

VI = 5.5 V

100

μA

II(pu)

pull-up input current

all port pins, RESET_N,

TRST_N, TDI,

JTAGSEL, TMS:

VI =0V; VI > 3.6 V is not

allowed

−25

−50

−115

μA

input capacitance

[3] -3

Output pins and I/O pins configured as output

output voltage

VDD(IO)

VOH

HIGH-level output voltage IOH = −4mA

VDD(IO) –0.4

VOL

LOW-level output voltage

IOL =4mA

0.4

load capacitance

Analog-to-digital converter supply

VVREFN

voltage on pin VREFN

VVREFP − 2V

VVREFP

voltage on pin VREFP

VVREFN +2

VDDA(ADC3V3)

VI(ADC)

ADC input voltage

on port 0 pins

VVREFN

-VVREFP

input impedance

between VVREFN and

VVREFP

4.4

between VVREFN and

VDD(A5V)

13.7

23.6

FSR

full scale range

bit

INL

integral non-linearity

−2-

LSB

DNL

differential non-linearity

−1-

LSB

Verr(offset)

offset error voltage

−20

+20

Verr(FS)

full-scale error voltage

−20

+20

Table 31.

Static characteristics …continued

VDD(CORE) =VDD(OSC_PLL) ; VDD(IO) = 2.7 V to 3.6 V; VDDA(ADC3V3) = 3.0 V to 3.6 V; Tvj =-40 °Cto+85 °C; all voltages are

measured with respect to ground; positive currents flow into the IC; unless otherwise specified.[1]

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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