User`s manual

8: REGISTERS
1-84 EPSON S1D13504 SERIES HARDWARE FUNCTIONAL
SPECIFICATION (X19A-A-002-17)
bits 5–4 Red Bank Select Bits [1:0]
In 2-bpp mode, the 16 position Red LUT is arranged into four, 4 position “banks.” These
two bits control which bank is currently selected.
In 8-bpp mode, the 16 position Red LUT is arranged into two, 8 position “banks.” Only
bit 0 of these two bits controls which bank is currently selected.
These bits have no effect in 1-bpp, 4-bpp, 15/16-bpp mode, or all monochrome modes.
bits 3–2 Blue Bank Select Bits [1:0]
In both 2-bpp and 8-bpp modes, the 16 position Blue LUT is arranged into four 4 position
“banks.” These two bits control which bank is currently selected.
These bits have no effect in 1-bpp, 4-bpp, 15/16-bpp mode, or all monochrome modes.
bits 1–0 Green Bank Select Bits [1:0]
In 2-bpp mode, the 16 position Green LUT is arranged into four, 4 position “banks.”
These two bits control which bank is currently selected.
In 8-bpp mode, the 16 position Green LUT is arranged into two, 8 position “banks.” Only
bit 0 of these two bits controls which bank is currently selected.
These bits have no effect in 1-bpp, 4-bpp, and 15/16-bpp modes.
Look-Up Table Bank Select Register
REG[27h] RW
n/a n/a
Red Bank
Select Bit 1
Red Bank
Select Bit 0
Blue Bank
Select Bit 1
Blue Bank
Select Bit 0
Green Bank
Select Bit 1
Green Bank
Select Bit 0