key_scan_hier_info

此程序实现的是矩阵式键盘的扫描的电路

|key_scan
clk => cnt[0].CLK
clk => kbrow[3]~reg0.CLK
clk => kbrow[2]~reg0.CLK
clk => kbrow[1]~reg0.CLK
clk => kbrow[0]~reg0.CLK
clk => sta[1].CLK
clk => sta[0].CLK
clk => seg7[3].CLK
clk => seg7[2].CLK
clk => seg7[1].CLK
clk => seg7[0].CLK
clk => dat[3].CLK
clk => dat[2].CLK
clk => dat[1].CLK
clk => dat[0].CLK
clk => cnt[1].CLK
start => seg7[2].ACLR
start => seg7[1].ACLR
start => seg7[0].ACLR
start => seg7[3].ACLR
start => dat[3].ENA
start => dat[2].ENA
start => dat[1].ENA
start => dat[0].ENA
kbcol[0] => i~5.IN19
kbcol[0] => i~6.IN19
kbcol[0] => i~7.IN19
kbcol[0] => i~8.IN19
kbcol[0] => i~9.IN19
kbcol[0] => i~10.IN19
kbcol[1] => i~5.IN18
kbcol[1] => i~6.IN18
kbcol[1] => i~7.IN18
kbcol[1] => i~8.IN18
kbcol[1] => i~9.IN18
kbcol[1] => i~10.IN18
kbcol[2] => i~5.IN17
kbcol[2] => i~6.IN17
kbcol[2] => i~7.IN17
kbcol[2] => i~8.IN17
kbcol[2] => i~9.IN17
kbcol[2] => i~10.IN17
kbcol[3] => i~5.IN16
kbcol[3] => i~6.IN16
kbcol[3] => i~7.IN16
kbcol[3] => i~8.IN16
kbcol[3] => i~9.IN16
kbcol[3] => i~10.IN16
kbrow[0] <= kbrow[0]~reg0.DB_MAX_OUTPUT_PORT_TYPE
kbrow[1] <= kbrow[1]~reg0.DB_MAX_OUTPUT_PORT_TYPE
kbrow[2] <= kbrow[2]~reg0.DB_MAX_OUTPUT_PORT_TYPE
kbrow[3] <= kbrow[3]~reg0.DB_MAX_OUTPUT_PORT_TYPE
seg7_out[0] <= seg7_out[0]~reg0.DB_MAX_OUTPUT_PORT_TYPE
seg7_out[1] <= seg7_out[1]~reg0.DB_MAX_OUTPUT_PORT_TYPE
seg7_out[2] <= seg7_out[2]~reg0.DB_MAX_OUTPUT_PORT_TYPE
seg7_out[3] <= seg7_out[3]~reg0.DB_MAX_OUTPUT_PORT_TYPE