LPC2939 datasheet(13/99 Pages) NXP

13 / 99 page

LPC2939_3

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Product data sheet

Rev. 03 — 7 April 2010

13 of 99

NXP Semiconductors

LPC2939

ARM9 microcontroller with CAN, LIN, and USB

[1]

Bidirectional pad; analog port; plain input; 3-state output; slew rate control; 5 V tolerant; TTL with hysteresis; programmable pull-up /

pull-down / repeater.

[2]

USB pad.

[3]

Analog pad; Analog I/O.

[4]

Analog I/O pad.

P0[20]/IN2[4]/

PMAT2[2]/A16

200[4]

GPIO 0, pin 20

ADC2 IN4

PWM2 MAT2

EXTBUS A16

P0[21]/IN2[5]/

PMAT2[3]/A17

201[4]

GPIO 0, pin 21

ADC2 IN5

PWM2 MAT3

EXTBUS A17

P0[22]/IN2[6]/

PMAT2[4]/A18

202[4]

GPIO 0, pin 22

ADC2 IN6

PWM2 MAT4

EXTBUS A18

VSS(IO)

203

ground for I/O

P0[23]/IN2[7]/

PMAT2[5]/A19

204[4]

GPIO 0, pin 23

ADC2 IN7

PWM2 MAT5

EXTBUS A19

P2[20]/

PCAP2[0]/D18

205[1]

GPIO 2, pin 20

SPI2 SDO

PWM2 CAP0

EXTBUS D18

VDD(CORE)

206

1.8 V power supply for digital core

VSS(CORE)

207

ground for digital core

TDI

208[1]

IEEE 1149.1 data in, pulled up internally

Table 3.

LQFP208 pin assignment …continued

Pin name

Description

Function 0

(default)

Function 1

Function 2

Function 3

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