LPC1850 datasheet(89/142 Pages) NXP

89 / 142 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 2.2 — 9 September 2011

89 of 142

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

[1]

Typical ratings are not guaranteed. The values listed are at room temperature (25

C), nominal supply voltages.

[2]

The RTC typically fails when VBAT drops below 2.2 V and VDD(REG)(3V3) is less than 2.2 V.

[3]

VDD(REG)(3V3) = 3.3 V; Tamb =25 C for all power consumption measurements. Applies to parts LPC1850/30/20/10 Rev ‘-’ only.

[4]

Conditions <tbd>.

[5]

On pin VBAT; IDD(REG)(3V3) = <tbd> nA; VDD(REG)(3V3) = 3.3 V; VBAT < VDD(REG)(3V3); Tamb =25 C.

[6]

On pin VBAT; VBAT = 3.3 V; Tamb =25 C.

[7]

All internal pull-ups disabled. All pins configured as output and driven LOW. VDD(3V3) = 3.3 V; Tamb =25 C.

[8]

Vps corresponds to the output of the power switch (see Figure 11) which is determined by the greater of VBAT and VDD(Reg)(3V3).

[9]

VDDA(3V3) = 3.3 V; Tamb =25 C.

[10] VDD(IO) supply voltage must be present.

[11] Allowed as long as the current limit does not exceed the maximum current allowed by the device.

[12] To VSS.

10.1 Power consumption

Remark: All power consumption data in this section apply to Rev ‘-’ of the

LPC1850/30/20/10 parts only.

Oscillator pins

Vi(XTAL1)

input voltage on pin

XTAL1

0.5

1.2

Vo(XTAL2)

output voltage on pin

XTAL2

0.5

1.2

USB pins

VIC

common-mode input

voltage

high-speed mode

<tbd>

full-speed/low-speed

mode

<tbd>

chirp mode

<tbd>

Vi(dif)

differential input voltage

<tbd>

Table 8.

Static characteristics …continued

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

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

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