UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 284 o f 792
NXP Semiconductors UM10237
Chapter 12: LPC24XX LCD controller
5.1.2 Signals used for dual panel STN displays

The signals used for dual panel STN displays are shown in Table12–244. UD refers to

upper panel data, and LD refers to lower panel data.

5.1.3 Signals used for TFT displays

The signals used for TFT displays are shown in Table 12–245.

LCDLE YYY
LCDLP YYY
LCDVD[3:0] UD[3:0] UD[3:0] UD[3:0]
LCDVD[7:4] - UD[7:4] UD[7:4]
LCDVD[23:8] - - -
Table 243. Pins us ed for single panel STN displays
Pin name 4-bit Monochrome
(10 pins) 8-bit Monochrome
(14 pins) Color
(14 pins)
Table 244. Pin s used for dual panel STN displays
Pin name 4-bit Monochrome
(14 pins) 8-bit Monochrome
(22 pins) Color
(22 pins)
LCDPWR YYY
LCDDCLK Y Y Y
LCDENAB/ LCDM Y Y Y
LCDFP YYY
LCDLE YYY
LCDLP YYY
LCDVD[3:0] UD[3:0] UD[3:0] UD[3:0]
LCDVD[7:4] - UD[7:4] UD[7:4]
LCDVD[11:8] LD[3:0] LD[3:0] LD[3:0]
LCDVD[15:12] - LD[7:4] LD[7:4]
LCDVD[23:16] - - -
Table 245. Pin s us ed for TFT displays
Pin name 12-bit, 4:4:4
mode
(18 pins)
16-bit, 5:6:5
mode
(22 pins)
16-bit, 1:5:5:5
mode
(24 pins)
24-bit
(30 pins)
LCDPWRYYYY
LCDDCLK Y Y Y Y
LCDENAB/ LCDM Y Y Y Y
LCDFP Y Y Y Y
LCDLE Y Y Y Y
LCDLP Y Y Y Y
LCDVD[1:0] - - - RED[1:0]
LCDVD[2] - - Intensity RED[2]
LCDVD[3] - RED[0] RED[0] RED[3]
LCDVD[7:4] RED[3:0] RED[4:1] RED[4:1] RED[7:4]