Nxp Semiconductors UM10237 ユーザーズマニュアル

UM10237_2

User manual

Rev. 02 — 19 December 2008

315 of 792

NXP Semiconductors

UM10237

Chapter 12: LPC24XX LCD controller

7.13 Upper Panel Current Address register (LCD_UPCURR, RW - 0xFFE1

002C)

The LCD_UPCURR register is Read-Only, and contains an approximate value of the
upper panel data DMA address when read.

Note: This register can change at any time and therefore can only be used as a rough
indication of display position.

The contents of the LCD_UPCURR register are described in

Table 12–272

7.14 Lower Panel Current Address register (LCD_LPCURR, RW - 0xFFE1

0030)

The LCD_LPCURR register is Read-Only, and contains an approximate value of the lower
panel data DMA address when read.

Note: This register can change at any time and therefore can only be used as a rough
indication of display position.

The contents of the LCD_LPCURR are described in

Table 12–273

7.15 Color Palette registers (LCD_PAL, RW - 0xFFE1 0200 to 0xFFE1 03FC)

The LCD_PAL register contain 256 palette entries organized as 128 locations of two
entries per word.

LNBUIC

LCD next address base update interrupt clear.

Writing a 1 to this bit clears the LCD next address base update
interrupt.

0x0

FUFIC

FIFO underflow interrupt clear.

Writing a 1 to this bit clears the FIFO underflow interrupt.

0x0

reserved

Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.

Table 271. Interrupt Clear register (LCD_INTCLR, RW - 0xFFE1 0028)

Bits

Function

Description

Reset
value

Table 272. Upper Panel Current Address register (LCD_UPCURR, RW - 0xFFE1 002C)

Bits

Function

Description

Reset
value

31:0

LCDUPCURR

LCD Upper Panel Current Address.

Contains the current LCD upper panel data DMA address.

0x0

Table 273. Lower Panel Current Address register (LCD_LPCURR, RW - 0xFFE1 0030)

Bits

Function

Description

Reset
value

31:0

LCDLPCURR

LCD Lower Panel Current Address.

Contains the current LCD lower panel data DMA address.

0x0