LPC4350 datasheet(62/145 Pages) NXP

62 / 145 page

LPC4350_30_20_10

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Objective data sheet

Rev. 2.1 — 23 September 2011

62 of 145

NXP Semiconductors

LPC4350/30/20/10

32-bit ARM Cortex-M4/M0 microcontroller

ADC0_5/

ADC1_5

208 144

[8]

I; IA

ADC input channel 5. Shared between 10-bit ADC0/1.

ADC0_6/

ADC1_6

204 142

[8]

I; IA

ADC input channel 6. Shared between 10-bit ADC0/1.

ADC0_7/

ADC1_7

197 136

[8]

I; IA

ADC input channel 7. Shared between 10-bit ADC0/1.

RTC

RTC_ALARM

A11

186 129

[11]

RTC controlled output.

RTCX1

182 125

[8]

Input to the RTC 32 kHz ultra-low power oscillator

circuit.

RTCX2

183 126

[8]

Output from the RTC 32 kHz ultra-low power

oscillator circuit.

Crystal oscillator pins

XTAL1

[8]

Input to the oscillator circuit and internal clock

generator circuits.

XTAL2

[8]

Output from the oscillator amplifier.

Power and ground pins

USB0_VDDA

3V3_DRIVER

Separate analog 3.3 V power supply for driver.

USB0

_VDDA3V3

USB 3.3 V separate power supply voltage.

USB0_VSSA

_TERM

Dedicated analog ground for clean reference for

termination resistors.

USB0_VSSA

_REF

Dedicated clean analog ground for generation of

reference currents and voltages.

VDDA

198 137

Analog power supply and ADC reference voltage.

VBAT

B10

184 127

RTC power supply: 3.3 V on this pin supplies power

to the RTC.

VDDREG

F10,

F9,

L8,

xE4,

E5,

135

188

195

82,

94,

131,

59,

Main regulator power supply.

VPP

[12] -

OTP programming voltage.

Table 3.

Pin description …continued

LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.

Symbol

Description

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