LPC2888 datasheet(9/34 Pages) PHILIPS

9 / 34 page

LPC2880_LPC2888_1

Preliminary data sheet

Rev. 01 — 22 June 2006

9 of 34

Philips Semiconductors

LPC2880; LPC2888

16/32-bit ARM microcontrollers with external memory interface

A15/P0[31]

A14

address bus for static memory; GPIO pins

A16/P1[0]

B14

A17/P1[1]

C14

A18/P1[2]

A13

A19/P1[3]

B13

A20/P1[4]

C13

BLS0/P1[12]

A12

byte lane select for D[7:0], active LOW for static memory; GPIO pin

BLS1/P1[13]

B12

byte lane select for D[15:8], active LOW for static memory; GPIO pin

CAS/P1[16]

C10

column address strobe, active LOW for SDRAM; GPIO pin

CKE/P1[9]

B10

clock enable; active HIGH for SDRAM; GPIO pin

DQM0/P1[10]

C12

data mask output for D[7:0], active HIGH for SDRAM; GPIO pin

DQM1/P1[11]

A11

data mask output for D[15:8], active HIGH for SDRAM; GPIO pin

DYCS/P1[8]

chip select, active LOW for SDRAM; GPIO pin

MCLKO/P1[14]

A10

clock for SDRAM and SyncFlash memory; GPIO pin

OE/P1[18]

A17

output enable, active LOW for static memory; GPIO pin

RAS/P1[17]

row address strobe, active LOW for SDRAM; GPIO pin

RPO/P1[19]

reset power down, active LOW for SyncFlash memory; GPIO pin

STCS0/P1[5]

chip select, active LOW for static memory bank 0; GPIO pin

STCS1/P1[5]

chip select, active LOW for static memory bank 1; GPIO pin

STCS2/P1[5]

B11

chip select, active LOW for static memory bank 2; GPIO pin

WE/P1[15]

C11

write enable, active LOW for SDRAM and static memory; GPIO pin

GPIO and mode control

MODE1/P2[2]

K18

start up MODE PIN1 (pull down); 5 V tolerant GPIO pin

MODE2/P2[3]

J16

start up MODE PIN2 (pull down); 5 V tolerant GPIO pin

P2[0]

K16

5 V tolerant GPIO pin

P2[1]

K17

5 V tolerant GPIO pin

I2C-bus interface

SCL

H16

I/O

serial clock (input/open-drain output); 5 V tolerant pin

SDA

J17

I/O

serial data (input/open-drain output); 5 V tolerant pin

JTAG interface

JTAG_SEL

JTAG selection (pull-down); 5 V tolerant pin

JTAG_TCK

JTAG reset input (pull-down); 5 V tolerant pin

JTAG_TDI

JTAG data input (pull-up); 5 V tolerant pin

JTAG_TMS

U12

JTAG mode select input (pull-up); 5 V tolerant pin

JTAG_TRST

T13

JTAG reset input (pull-down); 5 V tolerant pin

JTAG_TDO

U13

JTAG data output; 5 V tolerant pin

Table 4.

Pin description …continued

Signal name

Ball #

Type[1]

Description

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