lcd_controller Entity Reference
LCD controller. More...
Architectures | |
| lcd_controller_arc | Architecture |
Libraries | |
| ieee | |
| standard IEEE library | |
| work | |
Packages | |
| std_logic_1164 | |
| std_logic definitions, see file | |
| std_logic_arith | |
| arithmetic operations on std_logic datatypes, see file | |
| std_logic_unsigned | |
| unsigned functions use ieee.std_logic_unsigned.all; operators for std_logic_vector type, see file | |
| lcd_characters | Package <lcd_characters> |
| main_components | Package <main_components> |
Ports | |
| CLOCK_LCD | in std_logic |
| basic clock, it has to be slower than 2 MHz | |
| CLOCK_ANI_I | in std_logic |
| on rising edge the line 2 is displayed (next frame when animated) | |
| CLOCK_ANI_II | in std_logic |
| on rising edge the line 2 is displayed (next frame when animated) | |
| LINE_I | in lcd_line |
| input line 1 text | |
| LINE_II | in lcd_line |
| input line 2 text | |
| LINE_I_PAINT | in std_logic |
| on rising edge LINE_I gets in the internal buffer | |
| LINE_II_PAINT | in std_logic |
| on rising edge LINE_II gets in the internal buffer | |
| LINE_I_MODE | in std_logic_vector ( 1 downto 0 ) |
| | 00 static text 10 moving <- | |
| LINE_II_MODE | in std_logic_vector ( 1 downto 0 ) |
| | 01 moving -> 11 flashing | |
| AUTO_REFRESH_I | in std_logic |
| triggers display on paint signal on line 1 | |
| AUTO_REFRESH_II | in std_logic |
| triggers display on paint signal on line 1 | |
| BUSY | out std_logic |
| while this is '1' the lcd is initializing | |
| DIRECTION | out std_logic |
| interface to pins | |
| RS | out std_logic |
| interface to pins | |
| RW | out std_logic |
| interface to pins | |
| DB | inout std_logic_vector ( 7 downto 0 ) |
| interface to pins | |
| E | out std_logic |
| interface to pins | |
Detailed Description
LCD controller.this entity manipulates with LCD, according to the input data (characters and modes)
Definition at line 39 of file lcd_controller.vhd.
Member Data Documentation
AUTO_REFRESH_I in std_logic [Port] |
AUTO_REFRESH_II in std_logic [Port] |
BUSY out std_logic [Port] |
CLOCK_ANI_I in std_logic [Port] |
on rising edge the line 2 is displayed (next frame when animated)
Definition at line 42 of file lcd_controller.vhd.
CLOCK_ANI_II in std_logic [Port] |
on rising edge the line 2 is displayed (next frame when animated)
Definition at line 43 of file lcd_controller.vhd.
CLOCK_LCD in std_logic [Port] |
DB inout std_logic_vector ( 7 downto 0 ) [Port] |
DIRECTION out std_logic [Port] |
E out std_logic [Port] |
ieee library [Library] |
standard IEEE library
Reimplemented in main_components.
Definition at line 25 of file lcd_controller.vhd.
LINE_I in lcd_line [Port] |
LINE_I_MODE in std_logic_vector ( 1 downto 0 ) [Port] |
LINE_I_PAINT in std_logic [Port] |
LINE_II in lcd_line [Port] |
LINE_II_MODE in std_logic_vector ( 1 downto 0 ) [Port] |
LINE_II_PAINT in std_logic [Port] |
on rising edge LINE_II gets in the internal buffer
Definition at line 47 of file lcd_controller.vhd.
RS out std_logic [Port] |
RW out std_logic [Port] |
std_logic_1164 package [Package] |
std_logic definitions, see file
Reimplemented in main_components.
Definition at line 27 of file lcd_controller.vhd.
std_logic_arith package [Package] |
arithmetic operations on std_logic datatypes, see file
Definition at line 29 of file lcd_controller.vhd.
std_logic_unsigned package [Package] |
unsigned functions use ieee.std_logic_unsigned.all; operators for std_logic_vector type, see file
Definition at line 31 of file lcd_controller.vhd.
The documentation for this class was generated from the following file:
