LPC1227FBD64301 datasheet(9/60 Pages) NXP

Part #	LPC1227FBD64301

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

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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9 / 60 page

LPC122X

All information provided in this document is subject to legal disclaimers.

Objective data sheet

Rev. 1.1 — 21 February 2011

9 of 60

NXP Semiconductors

LPC122x

32-bit ARM Cortex-M0 microcontroller

PIO0_7/CTS0/

CT32B1_CAP1/

CT32B1_MAT1

22 26

[2]

yes

I/O

I; PU

PIO0_7 — General purpose digital input/output pin.

I-

CTS0 — Clear To Send input for UART0.

I-

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

O-

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

PIO0_8/RXD1/

CT32B1_CAP2/

CT32B1_MAT2

23 27

[2]

yes

I/O

I; PU

PIO0_8 — General purpose digital input/output pin.

I-

RXD1 — Receiver input for UART1.

I-

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

O-

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

PIO0_9/TXD1/

CT32B1_CAP3/

CT32B1_MAT3

24 28

[2]

yes

I/O

I; PU

PIO0_9 — General purpose digital input/output pin.

O-

TXD1 — Transmitter output for UART1.

I-

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

O-

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

PIO0_10/SCL

25 37

[3]

yes

I/O

I; IA

PIO0_10 — General purpose digital input/output pin.

I/O

-

SCL — I2C-bus clock input/output.

PIO0_11/SDA/

CT16B0_CAP0/

CT16B0_MAT0

26 38

[3]

yes

I/O

I; IA

PIO0_11 — General purpose digital input/output pin.

I/O

-

SDA — I2C-bus data input/output.

I-

CT16B0_CAP0 — Capture input, channel 0 for 16-bit timer 0.

O-

CT16B0_MAT0 — Match output, channel 0 for 16-bit timer 0.

PIO0_12/CLKOUT/

CT16B0_CAP1/

CT16B0_MAT1

27 39

[7]

no

I/O

I; PU

PIO0_12 — General purpose digital input/output pin. A LOW

level on this pin during reset starts the ISP command handler.

High-current output driver.

O-

CLKOUT — Clock out pin.

I-

CT16B0_CAP1 — Capture input, channel 1 for 16-bit timer 0.

O-

CT16B0_MAT1 — Match output, channel 1 for 16-bit timer 0.

RESET/PIO0_13

28 40

[4]

no

I

I; PU

RESET — 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.

I/O

-

PIO0_13 — General purpose digital input/output pin.

PIO0_14/SCK

29 41

[2]

no

I/O

I; PU

PIO0_14 — General purpose digital input/output pin.

I/O

-

SCK — Serial clock for SSP/SPI.

PIO0_15/SSEL/

CT16B1_CAP0/

CT16B1_MAT0

30 42

[2]

no

I/O

I; PU

PIO0_15 — General purpose digital input/output pin.

I/O

-

SSEL — Slave select for SSP/SPI.

I-

CT16B1_CAP0 — Capture input, channel 0 for 16-bit timer 1.

O-

CT16B1_MAT0 — Match output, channel 0 for 16-bit timer 1.

PIO0_16/MISO/

CT16B1_CAP1/

CT16B1_MAT1

31 43

[2]

no

I/O

I; PU

PIO0_16 — General purpose digital input/output pin.

I/O

-

MISO — Master In Slave Out for SSP/SPI.

I-

CT16B1_CAP1 — Capture input, channel 1 for 16-bit timer 1.

O-

CT16B1_MAT1 — Match output, channel 1 for 16-bit timer 1.

Table 3.

LPC122x pin description …continued

Symbol

Start

logic

input

Type Reset

state

[1]

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