LBGA256 datasheet(59/153 Pages) NXP

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LPC4350_30_20_10

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Product data sheet

Rev. 4 — 26 March 2013

59 of 153

NXP Semiconductors

LPC4350/30/20/10

32-bit ARM Cortex-M4/M0 microcontroller

WAKEUP3

[11]

I; IA

External wake-up input; can raise an interrupt and can

cause wake-up from any of the low-power modes. A pulse

with a duration > 45 ns wakes up the part.

ADC pins

ADC0_0/

ADC1_0/DAC

[8]

I; IA

ADC input channel 0. Shared between 10-bit ADC0/1 and

DAC.

ADC0_1/

ADC1_1

[8]

I; IA

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

ADC0_2/

ADC1_2

206 143

[8]

I; IA

ADC input channel 2. Shared between 10-bit ADC0/1.

ADC0_3/

ADC1_3

200 139

[8]

I; IA

ADC input channel 3. Shared between 10-bit ADC0/1.

ADC0_4/

ADC1_4

199 138

[8]

I; IA

ADC input channel 4. Shared between 10-bit ADC0/1.

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

A10

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.

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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