LPC2929 datasheet(5/95 Pages) NXP

Part #	LPC2929

Description	ARM9 microcontroller with CAN, LIN, and USB

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Manufacturer	NXP [NXP Semiconductors]

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5 / 95 page

LPC2927_29_2

Preliminary data sheet

Rev. 02 — 22 June 2009

5 of 95

NXP Semiconductors

LPC2927/2929

ARM9 microcontroller with CAN, LIN, and USB

5.

Pinning information

5.1 Pinning

5.2 Pin description

5.2.1 General description

The LPC2927/2929 uses ﬁve ports: port 0 with 32 pins, ports 1 and 2 with 28 pins each,

port 3 with 16 pins, and port 5 with 2 pins. Port 4 is not used. The pin to which each

function is assigned is controlled by the SFSP registers in the SCU. The functions

combined on each port pin are shown in the pin description tables in this section.

5.2.2 LQFP144 pin assignment

Fig 2.

Pin conﬁguration for SOT486-1 (LQFP144)

LPC2927FBD144

LPC2929FBD144

108

73

1

36

002aae144

Table 3.

LQFP144 pin assignment

Pin name

Description

Function 0

(default)

Function 1

Function 2

Function 3

TDO

1[1]

IEEE 1149.1 test data out

P2[21]/SDI2/

PCAP2[1]/D19

2[1]

GPIO 2, pin 21

SPI2 SDI

PWM2 CAP1

EXTBUS D19

P0[24]/TXD1/

TXDC1/SCS2[0]

3[1]

GPIO 0, pin 24

UART1 TXD

CAN1 TXD

SPI2 SCS0

P0[25]/RXD1/

RXDC1/SDO2

4[1]

GPIO 0, pin 25

UART1 RXD

CAN1 RXD

SPI2 SDO

P0[26]/TXD1/SDI2

5[1]

GPIO 0, pin 26

-

UART1 TXD

SPI2 SDI

P0[27]/RXD1/SCK2

6[1]

GPIO 0, pin 27

-

UART1 RXD

SPI2 SCK

P0[28]/CAP0[0]/

MAT0[0]

7[1]

GPIO 0, pin 28

-

TIMER0 CAP0

TIMER0 MAT0

P0[29]/CAP0[1]/

MAT0[1]

8[1]

GPIO 0, pin 29

-

TIMER0 CAP1

TIMER0 MAT1

VDD(IO)

9

3.3 V power supply for I/O

P2[22]/SCK2/

PCAP2[2]/D20

10[1]

GPIO 2, pin 22

SPI2 SCK

PWM2 CAP2

EXTBUS D20

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