LPC2194 datasheet(6/40 Pages) NXP

Part #	LPC2194

Description	Single-chip 16/32-bit microcontroller; 256 kB ISP/IAP flash with 10-bit ADC and CAN

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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LPC2194_5

Product data sheet

Rev. 05 — 10 December 2007

6 of 40

NXP Semiconductors

LPC2194

Single-chip 16/32-bit microcontroller

P0[14]/DCD1/

EINT1

41

I

DCD1 — Data Carrier Detect input for UART1.

I

EINT1 — External interrupt 1 input.

Note: LOW on this pin while RESET is LOW forces on-chip bootloader to take

control of the part after reset.

P0[15]/RI1/EINT2

45

I

RI1 — Ring Indicator input for UART1.

I

EINT2 — External interrupt 2 input.

P0[16]/EINT0/

MAT0[2]/CAP0[2]

46

I

EINT0 — External interrupt 0 input.

O

MAT0[2] — Match output for Timer 0, channel 2.

I

CAP0[2] — Capture input for Timer 0, channel 2.

P0[17]/CAP1[2]/

SCK1/MAT1[2]

47

I

CAP1[2] — Capture input for Timer 1, channel 2.

I/O

SCK1 — Serial Clock for SPI1/SSP[1]. SPI clock output from master or input to

slave.

O

MAT1[2] — Match output for Timer 1, channel 2.

P0[18]/CAP1[3]/

MISO1/MAT1[3]

53

I

CAP1[3] — Capture input for Timer 1, channel 3.

I/O

MISO1 — Master In Slave Out for SPI1/SSP[1]. Data input to SPI master or data

output from SPI slave.

O

MAT1[3] — Match output for Timer 1, channel 3.

P0[19]/MAT1[2]/

MOSI1/CAP1[2]

54

O

MAT1[2] — Match output for Timer 1, channel 2.

I/O

MOSI1 — Master Out Slave In for SPI1/SSP[1]. Data output from SPI master or data

input to SPI slave.

I

CAP1[2] — Capture input for Timer 1, channel 2.

P0[20]/MAT1[3]/

SSEL1/EINT3

55

O

MAT1[3] — Match output for Timer 1, channel 3.

I

SSEL1 — Slave Select for SPI1/SSP[1]. Selects the SPI interface as a slave.

I

EINT3 — External interrupt 3 input.

P0[21]/PWM5/

RD3/CAP1[3]

1O

PWM5 — Pulse Width Modulator output 5.

I

RD3 — CAN3 receiver input.

I

CAP1[3] — Capture input for Timer 1, channel 3.

P0[22]/TD3/

CAP0[0]/MAT0[0]

2O

TD3 — CAN3 transmitter output.

I

CAP0[0] — Capture input for Timer 0, channel 0.

O

MAT0[0] — Match output for Timer 0, channel 0.

P0[23]/RD2

3

I

CAN2 receiver input.

P0[24]/TD2

5

O

CAN2 transmitter output.

P0[25]/RD1

9

O

CAN1 receiver input.

P0[27]/AIN0/

CAP0[1]/MAT0[1]

11

I

AIN0 — A/D converter, input 0. This analog input is always connected to its pin.

I

CAP0[1] — Capture input for Timer 0, channel 1.

O

MAT0[1] — Match output for Timer 0, channel 1.

P0[28]/AIN1/

CAP0[2]/MAT0[2]

13

I

AIN1 — A/D converter, input 1. This analog input is always connected to its pin.

I

CAP0[2] — Capture input for Timer 0, channel 2.

O

MAT0[2] — Match output for Timer 0, channel 2.

P0[29]/AIN2/

CAP0[3]/MAT0[3]

14

I

AIN2 — A/D converter, input 2. This analog input is always connected to its pin.

I

CAP0[3] — Capture input for Timer 0, Channel 3.

O

MAT0[3] — Match output for Timer 0, channel 3.

Table 2.

Pin description …continued

Symbol

Type Description

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LPC2194 Datasheet(PDF) 6 Page - NXP Semiconductors

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