LPC122X_1108 datasheet(10/61 Pages) NXP

Part #	LPC122X_1108

Description	32-bit ARM Cortex-M0 microcontroller; up to 128 kB flash and 8 kB SRAM

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Manufacturer	NXP [NXP Semiconductors]

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LPC122X

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Product data sheet

Rev. 2 — 26 August 2011

10 of 61

NXP Semiconductors

LPC122x

32-bit ARM Cortex-M0 microcontroller

PIO0_17/MOSI

32 44

[2]

[3]

no

I/O

I; PU

PIO0_17 — General purpose digital input/output pin.

I/O

-

MOSI — Master Out Slave In for SSP/SPI.

PIO0_18/SWCLK/

CT32B0_CAP0/

CT32B0_MAT0

33 45

[2]

[3]

no

I/O

I; PU

PIO0_18 — General purpose digital input/output pin.

I-

SWCLK — Serial wire clock, alternate location.

I-

CT32B0_CAP0 — Capture input, channel 0 for 32-bit timer 0.

O-

CT32B0_MAT0 — Match output, channel 0 for 32-bit timer 0.

PIO0_19/ACMP0_I0/

CT32B0_CAP1/

CT32B0_MAT1

44

[6]

[7]

no

I/O

I; PU

PIO0_19 — General purpose digital input/output pin.

I-

ACMP0_I0 — Input 0 for comparator 0.

I-

CT32B0_CAP1 — Capture input, channel 1 for 32-bit timer 0.

O-

CT32B0_MAT1 — Match output, channel 1 for 32-bit timer 0

PIO0_20/ACMP0_I1/

CT32B0_CAP2/

CT32B0_MAT2

55

[6]

[7]

no

I/O

I; PU

PIO0_20 — General purpose digital input/output pin.

I-

ACMP0_I1 — Input 1 for comparator 0.

I-

CT32B0_CAP2 — Capture input, channel 2 for 32-bit timer 0.

O-

CT32B0_MAT2 — Match output, channel 2 for 32-bit timer 0.

PIO0_21/ACMP0_I2/

CT32B0_CAP3/

CT32B0_MAT3

66

[6]

[7]

no

I/O

I; PU

PIO0_21 — General purpose digital input/output pin.

I-

ACMP0_I2 — Input 2 for comparator 0.

I-

CT32B0_CAP3 — Capture input, channel 3 for 32-bit timer 0.

O-

CT32B0_MAT3 — Match output, channel 3 for 32-bit timer 0.

PIO0_22/ACMP0_I3

7

[6]

[7]

no

I/O

I; PU

PIO0_22 — General purpose digital input/output pin.

I-

ACMP0_I3 — Input 3 for comparator 0.

PIO0_23/

ACMP1_I0/

CT32B1_CAP0/

CT32B1_MAT0

88

[6]

[7]

no

I/O

I; PU

PIO0_23 — General purpose digital input/output pin.

I-

ACMP1_I0 — Input 0 for comparator 1.

I-

CT32B1_CAP0 — Capture input, channel 0 for 32-bit timer 1.

O-

CT32B1_MAT0 — Match output, channel 0 for 32-bit timer 1.

PIO0_24/ACMP1_I1/

CT32B1_CAP1/

CT32B1_MAT1

99

[6]

[7]

no

I/O

I; PU

PIO0_24 — General purpose digital input/output pin.

I-

ACMP1_I1 — Input 1 for comparator 1.

I-

CT32B1_CAP1 — Capture input, channel 1 for 32-bit timer 1.

O-

CT32B1_MAT1 — Match output, channel 1 for 32-bit timer 1.

SWDIO/ACMP1_I2/

CT32B1_CAP2/

CT32B1_MAT2/

PIO0_25

10 10

[6]

[7]

no

I/O

I; PU

SWDIO — Serial wire debug input/output, default location.

I-

ACMP1_I2 — Input 2 for comparator 1.

I-

CT32B1_CAP2 — Capture input, channel 2 for 32-bit timer 1.

O-

CT32B1_MAT2 — Match output, channel 2 for 32-bit timer 1.

I/O

-

PIO0_25 — General purpose digital input/output pin.

SWCLK/ACMP1_I3/

CT32B1_CAP3/

CT32B1_MAT3/

PIO0_26

11 11

[6]

[7]

no

I

I; PU

SWCLK — Serial wire clock, default location.

I-

ACMP1_I3 — Input 3 for comparator 1.

I-

CT32B1_CAP3 — Capture input, channel 3 or 32-bit timer 1.

O-

CT32B1_MAT3 — Match output, channel 3 for 32-bit timer 1.

I/O

PIO0_26 — General purpose digital input/output pin.

Table 3.

LPC122x pin description …continued

Symbol

Start

logic

input

Type Reset

state

[1]

Description

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