LPC2921 datasheet(55/84 Pages) NXP

55 / 84 page

LPC2921_23_25_3

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Product data sheet

Rev. 03 — 14 April 2010

55 of 84

NXP Semiconductors

LPC2921/2923/2925

ARM9 microcontroller with CAN, LIN, and USB

Static characteristics

Table 31.

Static characteristics

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

Supplies

Core supply

VDD(CORE)

core supply voltage

1.71

1.80

1.89

IDD(CORE)

core supply current

Device state after reset;

system clock at

125 MHz; Tamb = 85 °C;

executing code

while(1){}

from flash.

-75

all clocks off

[2] -30

475

μA

I/O supply

VDD(IO)

input/output supply

voltage

2.7

3.6

IDD(IO)

I/O supply current

Power-down mode

0.5

3.25

μA

Oscillator/PLL supply

VDD(OSC_PLL) oscillator and PLL supply

voltage

1.71

1.80

1.89

IDD(OSC_PLL)

oscillator and PLL supply

current

Normal mode

Power-down mode

μA

Analog-to-digital converter supply

VDDA(ADC3V3) 3.3 V ADC analog supply

voltage

3.0

3.3

3.6

IDDA(ADC3V3)

3.3 V ADC analog supply

current

Normal mode

1.9

Power-down mode

μA

Input pins and I/O pins configured as input

input voltage

all port pins and VDD(IO)

applied;

see Section 7

[3][4]

−0.5

+ 5.5

port 0 pin 8 to pin 23

when ADC1/2 is used

[4] --

VVREFP

all port pins and VDD(IO)

not applied

−0.5

+3.6

all other I/O pins, RST,

TRST, TDI, JTAGSEL,

TMS, TCK

−0.5

VDD(IO)

VIH

HIGH-level input voltage

all port pins, RST, TRST,

TDI, JTAGSEL, TMS,

TCK

2.0

VIL

LOW-level input voltage

all port pins, RST, TRST,

TDI, JTAGSEL, TMS,

TCK

0.8

Vhys

hysteresis voltage

0.4

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