Sharp LH79524 - LCD Upper Panel and Lower Panel Frame Buffer Current Address Register (UPCURR and LPCURR); Table 4-34. UPCURR Register; Table 4-35. UPCURR Fields; Table 4-36. LPCURR Register

LH79524/LH79525 User’s Guide Color Liquid Crystal Display Controller
Version 1.0 4-35
4.5.3.11 LCD Upper Panel and Lower Panel Frame Buffer Current
Address Register (UPCURR and LPCURR)
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.
Table 4-34. UPCURR Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD A31 A30 A29 A28 A27 A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 A16
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
ADDR 0xFFFF4000 + 0x2C
Table 4-35. UPCURR Fields
BIT NAME DESCRIPTION
31:0 A31:A0
A31:A0 of the current lower panel data DMA address. Values change dynamically.
Read only.
Table 4-36. LPCURR Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD A31A30A29A28A27A26A25A24A23A22A21A20A19A18A17A16
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
ADDR 0xFFFF4000 + 0x30
Table 4-37. LCDLPCURR Fields
BIT NAME DESCRIPTION
31:0 A31:A0
A31:A0 of the current lower panel data DMA address. Values change dynamically.
Read-only.