Lcd Upper Panel Frame Buffer Current Address Register; Table 14-25. Upcurr Register; Table 14-26. Upcurr Register Definitions; Table 14-27. Lpcurr Register - Sharp Blue Treak LH75400 User Manual

LH75400/01/10/11 (Preliminary) User's Guide

14.3.2.11 LCD Upper Panel Frame Buffer Current Address Register

UPCURR and LPCURR are registers that contain an approximate value of the upper and
lower panel data DMA addresses when read. The registers can change at any time and
provide a coarse indication of the current LCD DMA memory pointer.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BIT
31:0
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BIT
31:0

Table 14-25. UPCURR Register

31 30 29 28 27
0 0 0 0 0
R R R R R
15 14 13 12 11
0 0 0 0 0
R R R R R

Table 14-26. UPCURR Register Definitions

NAME
Current Upper Panel Data DMA Address Contains the approximate
LCDUPCURR
current upper panel data DMA address.

Table 14-27. LPCURR Register

31 30 29 28 27
0 0 0 0 0
R R R R R
15 14 13 12 11
0 0 0 0 0
R R R R R

Table 14-28. LCDLPCURR Register Definitions

NAME
Current Lower Panel Data DMA Address Contains the approximate
LCDLPCURR
current lower panel data DMA address.
Liquid Crystal Display Controller
26 25 24 23 22
LCDUPCURR
0 0 0 0 0
R R R R R
10 9 8 7 6
LCDUPCURR
0 0 0 0 0
R R R R R
0xFFFF4000 + 0x28
DESCRIPTION
26 25 24 23 22
LCDLPCURR
0 0 0 0 0
R R R R R
10 9 8 7 6
LCDLPCURR
0 0 0 0 0
R R R R R
0xFFFF4000 + 0x2C
DESCRIPTION
6/17/03
21 20 19 18 17
0 0 0 0 0
R R R R R
5 4 3 2 1
0 0 0 0 0
R R R R R
21 20 19 18 17
0 0 0 0 0
R R R R R
5 4 3 2 1
0 0 0 0 0
R R R R R
16
0
R
0
0
R
16
0
R
0
0
R
14-19