Intel Pentium III Processor/840, Руководство пользователя, Страница: 82 / 151

C-6 Intel
®
Pentium
®
III Processor/840 Development Kit Manual
PLD Code Listing
control = vcc;
DOUT = gnd; -- dummy
data_low[3..0] = data_low[3..0];
data_high[3..0] = data_high[3..0];
when SYNC_RDY =>
if (LFRAME_N == gnd) THEN
hex = my_reset;
else hex = TAROUT1;
end if;
control = vcc;
DOUT = vcc;
data_low[3..0] = data_low[3..0];
data_high[3..0] = data_high[3..0];
when TAROUT1 =>
if (LFRAME_N == gnd) THEN
hex = my_reset;
else hex = TAROUT2; -- same flow for read / write
end if;
control = gnd;
DOUT = DOUT;
data_low[3..0] = data_low[3..0];
data_high[3..0] = data_high[3..0];
when TAROUT2 =>
if (LFRAME_N == gnd) THEN
hex = my_reset;
else hex = IDLE;
end if;
control = gnd;
DOUT = DOUT; -- dummy
data_low[3..0] = data_low[3..0];
data_high[3..0] = data_high[3..0];
when others =>
if (LFRAME_N == gnd) THEN
hex = my_reset;
else hex = my_reset;
end if;
control = gnd;
DOUT = DOUT; -- dummy
data_low[3..0] = data_low[3..0];
data_high[3..0] = data_high[3..0];
end case;
end;