LPC2194 datasheet(7/33 Pages) PHILIPS

Part #	LPC2194

Description	Single-chip 16/32-bit microcontrollers 256 kB ISP/IAP Flash with 10-bit ADC and CAN

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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Philips Semiconductors

LPC2194

Single-chip 16/32-bit microcontrollers

Preliminary data

Rev. 01 — 06 February 2004

7 of 33

9397 750 12757

P0.27

11

I

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

pin.

I

CAP0.1 — Capture input for Timer0, channel 1.

O

MAT0.1 — Match output for Timer0, channel 1.

P0.28

13

I

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

pin.

I

CAP0.2 — Capture input for Timer0, channel 2.

O

MAT0.2 — Match output for Timer0, channel 2.

P0.29

14

I

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

pin.

I

CAP0.3 — Capture input for Timer0, Channel 3.

O

MAT0.3 — Match output for Timer0, channel 3.

P0.30

15

I

AIN3 — A/D converter, input 3. This analog input is always connected to its

pin.

I

EINT3 — External interrupt 3 input.

I

CAP0.0 — Capture input for Timer0, channel 0.

P1.0 to P1.31

16, 12, 8, 4,

48, 44, 40,

36, 32, 28,

24, 64, 60,

56, 52, 20

I/O

Port 1: Port 1 is a 32-bit bi-directional I/O port with individual direction

controls for each bit. The operation of port 1 pins depends upon the pin

function selected via the Pin Connect Block. Pins 0 through 15 of port 1 are

not available.

P1.16

16

O

TRACEPKT0 — Trace Packet, bit 0. Standard I/O port with internal pull-up.

P1.17

12

O

TRACEPKT1 — Trace Packet, bit 1. Standard I/O port with internal pull-up.

P1.18

8

O

TRACEPKT2 — Trace Packet, bit 2. Standard I/O port with internal pull-up.

P1.19

4

O

TRACEPKT3 — Trace Packet, bit 3. Standard I/O port with internal pull-up.

P1.20

48

O

TRACESYNC — Trace Synchronization. Standard I/O port with internal

pull-up.

Note: LOW on this pin while RESET is LOW, enables pins P1.25:16 to

operate as Trace port after reset.

P1.21

44

O

PIPESTAT0 — Pipeline Status, bit 0. Standard I/O port with internal pull-up.

P1.22

40

O

PIPESTAT1 — Pipeline Status, bit 1. Standard I/O port with internal pull-up.

P1.23

36

O

PIPESTAT2 — Pipeline Status, bit 2. Standard I/O port with internal pull-up.

P1.24

32

O

TRACECLK — Trace Clock. Standard I/O port with internal pull-up.

P1.25

28

I

EXTIN0 — External Trigger Input. Standard I/O with internal pull-up.

P1.26

24

I/O

RTCK — Returned Test Clock output. Extra signal added to the JTAG port.

Assists debugger synchronization when processor frequency varies.

Bi-directional pin with internal pull-up.

Note: LOW on this pin while RESET is LOW, enables pins P1.31:26 to

operate as Debug port after reset.

P1.27

64

O

TDO — Test Data out for JTAG interface.

P1.28

60

I

TDI — Test Data in for JTAG interface.

P1.29

56

I

TCK — Test Clock for JTAG interface.

P1.30

52

I

TMS — Test Mode Select for JTAG interface.

P1.31

20

I

TRST — Test Reset for JTAG interface.

Table 3:

Pin description…continued

Symbol

Type

Description

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LPC2194 Datasheet(PDF) 7 Page - NXP Semiconductors

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