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UM10503
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User manual
Rev. 2.1 — 10 December 2015
920 of 1441
NXP Semiconductors
UM10503
Chapter 29: LPC43xx/LPC43Sxx LCD
29.6.12 Upper Panel Current Address register
The 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.
29.6.13 Lower Panel Current Address register
The 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.
29.6.14 Color Palette registers
The PAL register contain 256 palette entries organized as 128 locations of two entries per
word.
Table 683. Interrupt Clear register (INTCLR, address 0x4000 8028) bit description
Bit
Symbol
Description
Reset
value
0
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
1
FUFIC
FIFO underflow interrupt clear.
Writing a 1 to this bit clears the FIFO underflow interrupt.
0x0
2
LNBUIC
LCD next address base update interrupt clear.
Writing a 1 to this bit clears the LCD next address base update
interrupt.
0x0
3
VCOMPIC
Vertical compare interrupt clear.
Writing a 1 to this bit clears the vertical compare interrupt.
0x0
4
BERIC
AHB master error interrupt clear.
Writing a 1 to this bit clears the AHB master error interrupt.
0x0
31:5
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
Table 684. Upper Panel Current Address register (UPCURR, address 0x4000 802C) bit
description
Bit
Symbol
Description
Reset
value
31:0
LCDUPCURR
LCD Upper Panel Current Address.
Contains the current LCD upper panel data DMA address.
0x0
Table 685. Lower Panel Current Address register (LPCURR, address 0x4000 8030) bit
description
Bit
Symbol
Description
Reset
value
31:0
LCDLPCURR
LCD Lower Panel Current Address.
Contains the current LCD lower panel data DMA address.
0x0