Datasheet

LPC2470 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 4.1 — 16 October 2013 72 of 91
NXP Semiconductors
LPC2470
Flashless 16-bit/32-bit microcontroller
[1] ETM replaced with LCD pins.
[2] External interrupt pins EINT1
, EINT2, EINT3 replaced with LCD pins.
[3] Timer pins MAT2[0] and MAT2[1] replaced with LCD pins.
[4] USB OTG pins replaced with LCD pins.
[5] I
2
S pins replaced with LCD pins.
14.2 Suggested boot memory interface solutions
‘a_m’ and ‘a_b’ in the following figures refer to the highest order address line of the
memory chip and the highest order microcontroller’s address line used respectively.
LCDVD[2] - - - - P4[28]
[3]
intensity P4[28]
[3]
RED2
LCDVD[1] - - - - - - P0[5]
[5]
RED1
LCDVD[0] - - - - - - P0[4]
[5]
RED0
LCDLP P2[5]
[1]
LCDLP P2[5]
[1]
LCDLP P2[5]
[1]
LCDLP P2[5]
[1]
LCDLP
LCDENAB/
LCDM
P2[4]
[1]
LCDENAB/
LCDM
P2[4]
[1]
LCDENAB/
LCDM
P2[4]
[1]
LCDENAB/
LCDM
P2[4]
[1]
LCDENAB/L
CDM
LCDFP P2[3]
[1]
LCDFP P2[3]
[1]
LCDFP P2[3]
[1]
LCDFP P2[3]
[1]
LCDFP
LCDDCLK P2[2]
[1]
LCDDCLK P2[2]
[1]
LCDDCLK P2[2]
[1]
LCDDCLK P2[2]
[1]
LCDDCLK
LCDLE P2[1]
[1]
LCDLE P2[1]
[1]
LCDLE P2[1]
[1]
LCDLE P2[1]
[1]
LCDLE
LCDPWR P2[0]
[1]
LCDPWR P2[0]
[1]
LCDPWR P2[0]
[1]
LCDPWR P2[0]
[1]
LCDPWR
LCDCLKIN P2[11]
[2]
LCDCLKIN P2[11]
[2]
LCDCLKIN P2[11]
[2]
LCDCLKIN P2[11]
[2]
LCDCLKIN
Table 21. LCD panel connections for TFT panels
External
pin
TFT 12 bit (4:4:4 mode) TFT 16 bit (5:6:5 mode) TFT 16 bit (1:5:5:5 mode) TFT 24 bit
LPC2470
pin used
LCD
function
LPC2470
pin used
LCD
function
LPC2470 pin
used
LCD
function
LPC2470
pin used
LCD
function
Fig 21. Booting from two 8-bit memory chips
002aad322
CE
OE
WE
IO[7:0]
A[a_m:0]
CS1
OE
BLS1
D[15:8]
A[a_b:1]
CE
OE
WE
IO[7:0]
A[a_m:0]
BLS0
D[7:0]
8-bit
MEMORY
8-bit
MEMORY