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[/] [open8_urisc/] [trunk/] [VHDL/] [o8_hd44780_4b.vhd] - Diff between revs 244 and 262

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Rev 244 Rev 262
Line 32... Line 32... 
--               user data on its external interface.
 
--               user data on its external interface.
 
--
 
--
 
-- Register Map
 
-- Register Map
 
-- Address  Function
 
-- Address  Function
 
-- Offset  Bitfield Description                        Read/Write
 
-- Offset  Bitfield Description                        Read/Write
 
-- 0x0     AAAAAAAA LCD Register Write                 (Write-only)
 
-- 0x0     AAAAAAAA LCD Register Write                 (Read-Write*)
 
-- 0x1     AAAAAAAA LCD Data Write                     (Write-only)
 
-- 0x1     AAAAAAAA LCD Data Write                     (Read-Write*)
 
-- 0x2     AAAAAAAA LCD Contrast                       (Read-Write)
 
-- 0x2     AAAAAAAA LCD Contrast                       (Read-Write)
 
-- 0x3     AAAAAAAA LCD Backlight                      (Read-Write)
 
-- 0x3     AAAAAAAA LCD Backlight                      (Read-Write)
 
--
 
--
 
 
 
-- Note: Reading 0x0 or 0x1 will report whether the panel is ready or not in the
 
 
 
--        MSB (bit 7). 0x00 = NOT READY / 0x80 = READY
 
 
 
--
 
--------------------------------------------------------------------------------
 
--------------------------------------------------------------------------------
 
-- LCD Controller
 
-- LCD Controller
 
--------------------------------------------------------------------------------
 
--------------------------------------------------------------------------------
 
--
 
--
 
-- LCD Instruction Set
 
-- LCD Instruction Set

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