LPC1850 datasheet(63/157 Pages) PHILIPS

63 / 157 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 3 — 6 December 2011

63 of 157

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

USB0_ID

[9]

Indicates to the transceiver whether connected as an

A-device (USB0_ID LOW) or B-device (USB0_ID

HIGH). For OTG, this pin has an internal pull-up

resistor.

USB0_RREF

[9]

12.0 k

 (accuracy 1 %) on-board resistor to ground

for current reference.

USB1 pins

USB1_DP

F12

129

[10]

I/O

USB1 bidirectional D+ line.

USB1_DM

G12

E10

130

[10]

I/O

USB1 bidirectional D

 line.

I2C-bus pins

I2C0_SCL

L15

132

[11]

I; F

I/O

I2C clock input/output. Open-drain output (for I2C-bus

compliance).

I2C0_SDA

L16

133

[11]

I; F

I/O

I2C data input/output. Open-drain output (for I2C-bus

compliance).

Reset and wake-up pins

RESET

185

128

[12]

I; IA

External reset input: A LOW on this pin resets the

device, causing I/O ports and peripherals to take on

their default states, and processor execution to begin

at address 0.

WAKEUP0

187

130

[12]

I; IA

External wake-up input; can raise an interrupt and

can cause wake-up from any of the low power

modes.

WAKEUP1

A10

[12]

I; IA

External wake-up input; can raise an interrupt and

can cause wake-up from any of the low power

modes.

WAKEUP2

[12]

I; IA

External wake-up input; can raise an interrupt and

can cause wake-up from any of the low power

modes.

WAKEUP3

[12]

I; IA

External wake-up input; can raise an interrupt and

can cause wake-up from any of the low power

modes.

ADC pins

ADC0_0/

ADC1_0/DAC

[9]

I; IA

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

and DAC.

ADC0_1/

ADC1_1

[9]

I; IA

ADC input channel 1. Shared between 10-bit

ADC0/1.

ADC0_2/

ADC1_2

206

143

[9]

I; IA

ADC input channel 2. Shared between 10-bit

ADC0/1.

ADC0_3/

ADC1_3

200

139

[9]

I; IA

ADC input channel 3. Shared between 10-bit

ADC0/1.

ADC0_4/

ADC1_4

199

138

[9]

I; IA

ADC input channel 4. Shared between 10-bit

ADC0/1.

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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