LPC64 datasheet(43/65 Pages) NXP

43 / 65 page

LPC1768_67_66_65_64_3

Product data sheet

Rev. 03 — 19 November 2009

43 of 65

NXP Semiconductors

LPC1768/67/66/65/64

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 Vi(VBAT) drops below 1.6 V.

[3]

VDD(REG)(3V3) = 3.3 V; Tamb = 25 °C for all power consumption measurements.

[4]

IRC running at 4 MHz; main oscillator and PLL disabled; PCLK = CCLK

⁄

[5]

BOD disabled.

[6]

On pin VBAT; IDD(REG)(3V3) = 520 nA; VDD(REG)(3V3) = 3.3 V; VBAT = 3.3 V; Tamb = 25 °C.

[7]

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

[8]

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

[9]

VDDA = 3.3 V; Tamb = 25 °C.

[10] Vi(VREFP) = 3.3 V; Tamb = 25 °C.

[11] Including voltage on outputs in 3-state mode.

[12] VDD(3V3) supply voltages must be present.

[13] 3-state outputs go into 3-state mode when VDD(3V3) is grounded.

[14] Accounts for 100 mV voltage drop in all supply lines.

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

[16] To VSS.

[17] Includes external resistors of 33

Ω ± 1 % on D+ and D−.

Vi(RTCX1)

input voltage on pin

RTCX1

1.8

1.95

Vo(RTCX2)

output voltage on pin

RTCX2

1.8

1.95

USB pins (LPC1768/66/65/64 only)

IOZ

OFF-state output

current

0 V < VI < 3.3 V

±10

μA

VBUS

bus supply voltage

5.25

VDI

differential input

sensitivity voltage

|(D+) − (D−)|

0.2

VCM

differential common

mode voltage range

includes VDI range

0.8

2.5

Vth(rs)se

single-ended receiver

switching threshold

voltage

0.8

2.0

VOL

LOW-level output

voltage for

low-/full-speed

RL of 1.5 kΩ to 3.6 V

0.18

VOH

HIGH-level output

voltage (driven) for

low-/full-speed

RL of 15 kΩ to GND

2.8

3.5

Ctrans

transceiver capacitance pin to GND

ZDRV

driver output

impedance for driver

which is not high-speed

capable

with 33

Ω series resistor;

steady state drive

[17] 36

44.1

Table 6.

Static characteristics …continued

Tamb = −40 °C to +85 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

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