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8255A
资料介绍
8255芯片
ENTITY a8255 IS
PORT(
RESET : IN std_logic;
CLK : IN std_logic;
nCS : IN std_logic;
nRD : IN std_logic;
nWR : IN std_logic;
A : IN std_logic_vector (1 DOWNTO 0);
DIN : IN std_logic_vector (7 DOWNTO 0);
PAIN : IN std_logic_vector (7 DOWNTO 0);
PBIN : IN std_logic_vector (7 DOWNTO 0);
PCIN : IN std_logic_vector (7 DOWNTO 0);
DOUT : OUT std_logic_vector (7 DOWNTO 0);
PAOUT : OUT std_logic_vector (7 DOWNTO 0);
PAEN : OUT std_logic;
PBOUT : OUT std_logic_vector (7 DOWNTO 0);
PBEN : OUT std_logic;
PCOUT : OUT std_logic_vector (7 DOWNTO 0);
PCEN : OUT std_logic_vector (7 DOWNTO 0)
);
部分文件列表
文件名 | 大小 |
42869_AMD_8255A.pdf | 287K |
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