diff options
Diffstat (limited to 'fpga/usrp2/top/u2_rev3')
| -rw-r--r--[-rwxr-xr-x] | fpga/usrp2/top/u2_rev3/u2_core.v | 0 | ||||
| -rw-r--r-- | fpga/usrp2/top/u2_rev3/u2_core_udp.v | 248 | ||||
| -rw-r--r-- | fpga/usrp2/top/u2_rev3/u2_rev3.ucf | 86 |
3 files changed, 64 insertions, 270 deletions
diff --git a/fpga/usrp2/top/u2_rev3/u2_core.v b/fpga/usrp2/top/u2_rev3/u2_core.v index a5963f6b1..a5963f6b1 100755..100644 --- a/fpga/usrp2/top/u2_rev3/u2_core.v +++ b/fpga/usrp2/top/u2_rev3/u2_core.v diff --git a/fpga/usrp2/top/u2_rev3/u2_core_udp.v b/fpga/usrp2/top/u2_rev3/u2_core_udp.v index b47e7e311..9e62ee1cc 100644 --- a/fpga/usrp2/top/u2_rev3/u2_core_udp.v +++ b/fpga/usrp2/top/u2_rev3/u2_core_udp.v @@ -125,7 +125,6 @@ module u2_core output [18:0] RAM_A, output RAM_CE1n, output RAM_CENn, - // output RAM_CLK, output RAM_WEn, output RAM_OEn, output RAM_LDn, @@ -162,6 +161,7 @@ module u2_core wire ram_loader_done; wire ram_loader_rst, wb_rst, dsp_rst; + assign dsp_rst = wb_rst; wire [31:0] status, status_b0, status_b1, status_b2, status_b3, status_b4, status_b5, status_b6, status_b7; wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int; @@ -561,14 +561,6 @@ module u2_core // Master Timer, Slave #9 // No longer used, replaced with simple_timer below - /* - wire [31:0] master_time; - timer timer - (.wb_clk_i(wb_clk),.rst_i(wb_rst), - .cyc_i(s9_cyc),.stb_i(s9_stb),.adr_i(s9_adr[4:2]), - .we_i(s9_we),.dat_i(s9_dat_o),.dat_o(s9_dat_i),.ack_o(s9_ack), - .sys_clk_i(dsp_clk),.master_time_i(master_time),.int_o(timer_int) ); - */ assign s9_ack = 0; // ///////////////////////////////////////////////////////////////////////// @@ -632,9 +624,15 @@ module u2_core .debug(debug_rx_dsp) ); wire [31:0] vrc_debug; + wire clear_rx; + setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear + (.clk(dsp_clk),.rst(dsp_rst), + .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp), + .out(),.changed(clear_rx)); + vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), .vita_time(vita_time), .overrun(overrun), .sample(sample_rx), .run(run_rx), .strobe(strobe_rx), @@ -644,7 +642,7 @@ module u2_core wire [3:0] vita_state; vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy), .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy), @@ -652,7 +650,7 @@ module u2_core .debug_rx(vita_state) ); fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy), .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o)); @@ -662,23 +660,17 @@ module u2_core wire [35:0] tx_data; wire tx_src_rdy, tx_dst_rdy; wire [31:0] debug_vt; + wire clear_tx; - // FIFO cascade draws from buffer pool, feeds vita tx deframer -/* -----\/----- EXCLUDED -----\/----- - - fifo_cascade #(.WIDTH(36), .SIZE(DSP_TX_FIFOSIZE)) tx_fifo_cascade - (.clk(dsp_clk), .reset(dsp_rst), .clear(0), - .datain({rd1_flags,rd1_dat}), .src_rdy_i(rd1_ready_o), .dst_rdy_o(rd1_ready_i), - .dataout(tx_data), .src_rdy_o(tx_src_rdy), .dst_rdy_i(tx_dst_rdy) ); - -----/\----- EXCLUDED -----/\----- */ + setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx + (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(),.changed(clear_tx)); ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19)) ext_fifo_i1 - ( - .int_clk(dsp_clk), + (.int_clk(dsp_clk), .ext_clk(clk_to_mac), -// .ext_clk(wb_clk), - .rst(dsp_rst), + .rst(dsp_rst | clear_tx), .RAM_D_pi(RAM_D_pi), .RAM_D_po(RAM_D_po), .RAM_D_poe(RAM_D_poe), @@ -688,17 +680,14 @@ module u2_core .RAM_LDn(RAM_LDn), .RAM_OEn(RAM_OEn), .RAM_CE1n(RAM_CE1n), -// .datain({rd1_flags,rd1_dat}), .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}), - .src_rdy_i(rd1_ready_o), // WRITE - .dst_rdy_o(rd1_ready_i), // not FULL -// .dataout(tx_data), + .src_rdy_i(rd1_ready_o), + .dst_rdy_o(rd1_ready_i), .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}), - .src_rdy_o(tx_src_rdy), // not EMPTY + .src_rdy_o(tx_src_rdy), .dst_rdy_i(tx_dst_rdy), .debug(debug_extfifo), - .debug2(debug_extfifo2) - ); + .debug2(debug_extfifo2) ); vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP), .REPORT_ERROR(1), .DO_FLOW_CONTROL(1), @@ -713,8 +702,6 @@ module u2_core .underrun(underrun), .run(run_tx), .debug(debug_vt)); - assign dsp_rst = wb_rst; - // /////////////////////////////////////////////////////////////////////////////////// // SERDES @@ -728,63 +715,7 @@ module u2_core .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty), .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) ); - // /////////////////////////////////////////////////////////////////////////////////// - // External RAM Interface - - /* - localparam PAGE_SIZE = 10; // PAGE SIZE is in bytes, 10 = 1024 bytes - - wire [15:0] bus2ram, ram2bus; - wire [15:0] bridge_adr; - wire [1:0] bridge_sel; - wire bridge_stb, bridge_cyc, bridge_we, bridge_ack; - - wire [19:0] page; - wire [19:0] wb_ram_adr = {page[19:PAGE_SIZE],bridge_adr[PAGE_SIZE-1:0]}; - setting_reg #(.my_addr(6),.width(20)) sr_page (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(page),.changed()); - - wb_bridge_16_32 bridge - (.wb_clk(wb_clk),.wb_rst(wb_rst), - .A_cyc_i(se_cyc),.A_stb_i(se_stb),.A_we_i(se_we),.A_sel_i(se_sel), - .A_adr_i(se_adr),.A_dat_i(se_dat_o),.A_dat_o(se_dat_i),.A_ack_o(se_ack), - .B_cyc_o(bridge_cyc),.B_stb_o(bridge_stb),.B_we_o(bridge_we),.B_sel_o(bridge_sel), - .B_adr_o(bridge_adr),.B_dat_o(bus2ram),.B_dat_i(ram2bus),.B_ack_i(bridge_ack)); - - wb_zbt16_b wb_zbt16_b - (.clk(wb_clk),.rst(wb_rst), - .wb_adr_i(wb_ram_adr),.wb_dat_i(bus2ram),.wb_dat_o(ram2bus),.wb_sel_i(bridge_sel), - .wb_cyc_i(bridge_cyc),.wb_stb_i(bridge_stb),.wb_ack_o(bridge_ack),.wb_we_i(bridge_we), - .sram_clk(RAM_CLK),.sram_a(RAM_A),.sram_d(RAM_D[15:0]),.sram_we(RAM_WEn), - .sram_bw(),.sram_adv(RAM_LDn),.sram_ce(RAM_CENn),.sram_oe(RAM_OEn), - .sram_mode(),.sram_zz() ); - - assign RAM_CE1n = 0; - assign RAM_D[17:16] = 2'bzz; -/* -----\/----- EXCLUDED -----\/----- - *-/ - - test_sram_if test_sram_if_i1 - ( - // .clk(wb_clk), - .clk(clk_to_mac), - .rst(wb_rst), - .RAM_D_pi(RAM_D_pi), - .RAM_D_po(RAM_D_po), - .RAM_D_poe(RAM_D_poe), - .RAM_A(RAM_A), - .RAM_WEn(RAM_WEn), - .RAM_CENn(RAM_CENn), - .RAM_LDn(RAM_LDn), - .RAM_OEn(RAM_OEn), - .RAM_CE1n(RAM_CE1n), - .correct() - ); - -----/\----- EXCLUDED -----/\----- */ - - //assign RAM_CLK = wb_clk; - //assign RAM_CLK = clk_to_mac; - + assign RAM_CLK = clk_to_mac; // ///////////////////////////////////////////////////////////////////////// // VITA Timing @@ -802,140 +733,3 @@ module u2_core assign debug_gpio_1 = 32'd0; endmodule // u2_core - -/* - // FIFO Level Debugging - reg [31:0] host_to_dsp_fifo,dsp_to_host_fifo,eth_mac_debug,serdes_to_dsp_fifo,dsp_to_serdes_fifo; - - always @(posedge dsp_clk) - serdes_to_dsp_fifo <= { {ser_rx_full,ser_rx_empty,ser_rx_occ[13:0]}, - {dsp_tx_full,dsp_tx_empty,dsp_tx_occ[13:0]} }; - - always @(posedge dsp_clk) - dsp_to_serdes_fifo <= { {ser_tx_full,ser_tx_empty,ser_tx_occ[13:0]}, - {dsp_rx_full,dsp_rx_empty,dsp_rx_occ[13:0]} }; - - always @(posedge dsp_clk) - host_to_dsp_fifo <= { {eth_rx_full,eth_rx_empty,eth_rx_occ[13:0]}, - {dsp_tx_full,dsp_tx_empty,dsp_tx_occ[13:0]} }; - - always @(posedge dsp_clk) - dsp_to_host_fifo <= { {eth_tx_full,eth_tx_empty,eth_tx_occ[13:0]}, - {dsp_rx_full,dsp_rx_empty,dsp_rx_occ[13:0]} }; - - always @(posedge dsp_clk) - eth_mac_debug <= { { 6'd0, GMII_TX_EN, GMII_RX_DV, debug_mac0[7:0]}, - {eth_rx_full2, eth_rx_empty2, eth_rx_occ2[13:0]} }; - - assign debug_clk[0] = GMII_RX_CLK; // wb_clk; - assign debug_clk[1] = dsp_clk; -*/ -/* - - wire mdio_cpy = MDIO; - assign debug = { { 1'b0, s6_stb, s6_ack, s6_we, s6_sel[3:0] }, - { s6_adr[15:8] }, - { s6_adr[7:0] }, - { 6'd0, mdio_cpy, MDC } }; - - assign debug = { { GMII_TXD }, - { 5'd0, GMII_TX_EN, GMII_TX_ER, GMII_GTX_CLK }, - { wr2_flags, rd2_flags }, - { 4'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } }; - assign debug = { { GMII_RXD }, - { 5'd0, GMII_RX_DV, GMII_RX_ER, GMII_RX_CLK }, - { wr2_flags, rd2_flags }, - { GMII_TX_EN,3'd0, wr2_ready_i, wr2_ready_o, rd2_ready_i, rd2_ready_o } }; - -// assign debug = debug_udp; - // assign debug = vrc_debug; -/* - assign debug_gpio_0 = { {pps_in, pps_int, 2'd0, vita_state}, - {2'd0, rx_dst_rdy, rx_src_rdy, rx_data[99:96]}, - {run_rx_d1, run_rx, strobe_rx, overrun, wr1_flags[3:0]} , - {wr1_ready_i, wr1_ready_o, rx1_src_rdy, rx1_dst_rdy, rx1_data[35:32]}}; -*/ -// assign debug_gpio_1 = {vita_time[63:32] }; -/* - assign debug_gpio_1 = { { tx_f19_data[15:8] }, - { tx_f19_data[7:0] }, - { 3'd0, tx_f19_src_rdy, tx_f19_dst_rdy, tx_f19_data[18:16] }, - { 2'b0, rd2_ready_i, rd2_ready_o, rd2_flags } }; - */ - -// wire debug_mux; -// setting_reg #(.my_addr(5)) sr_debug (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), -// .in(set_data),.out(debug_mux),.changed()); - -//assign debug = debug_mux ? host_to_dsp_fifo : dsp_to_host_fifo; -//assign debug = debug_mux ? serdes_to_dsp_fifo : dsp_to_serdes_fifo; - -//assign debug = {{strobe_rx,/*adc_ovf_a*/ 1'b0,adc_a}, -// {run_rx,/*adc_ovf_b*/ 1'b0,adc_b}}; - -//assign debug = debug_tx_dsp; -//assign debug = debug_serdes0; - -//assign debug_gpio_0 = 0; //debug_serdes0; -//assign debug_gpio_1 = 0; //debug_serdes1; - -// assign debug={{3'b0, wb_clk, wb_rst, dsp_rst, por, config_success}, -// {8'b0}, -// {3'b0,ram_loader_ack, ram_loader_stb, ram_loader_we,ram_loader_rst,ram_loader_done }, -// {cpld_start,cpld_mode,cpld_done,cpld_din,cpld_clk,cpld_detached,cpld_misc,cpld_init_b} }; - -//assign debug = {dac_a,dac_b}; - -/* - assign debug = {{ram_loader_done, takeover, 6'd0}, - {1'b0, cpld_start_int, cpld_mode_int, cpld_done_int, sd_clk, sd_csn, sd_miso, sd_mosi}, - {8'd0}, - {cpld_start, cpld_mode, cpld_done, cpld_din, cpld_misc, cpld_detached, cpld_clk, cpld_init_b}}; */ - -/*assign debug = host_to_dsp_fifo; - assign debug_gpio_0 = eth_mac_debug; - assign debug_gpio_1 = 0; - */ -// Assign various commonly used debug buses. -/* - wire [31:0] debug_rx_1 = {uart_tx_o,GMII_TX_EN,strobe_rx,overrun,proc_int,buffer_int,timer_int,GMII_RX_DV, - irq[7:0], - GMII_RXD, - GMII_TXD}; - - wire [31:0] debug_rx_2 = { 5'd0, s8_we, s8_stb, s8_ack, debug_rx[23:0] }; - - wire [31:0] debug_time = {uart_tx_o, 7'b0, - irq[7:0], - 6'b0, GMII_RX_DV, GMII_TX_EN, - 4'b0, exp_pps_in, exp_pps_out, pps_in, pps_int}; - - wire [31:0] debug_irq = {uart_tx_o, iwb_adr, iwb_ack, - irq[7:0], - proc_int, 7'b0 }; - - wire [31:0] debug_eth = - {{uart_tx_o,proc_int,underrun,buffer_int,wr2_ready,wr2_error,wr2_done,wr2_write}, - {8'd0}, - {8'd0}, - {GMII_TX_EN,GMII_RX_DV,Rx_mac_empty,Rx_mac_rd,Rx_mac_err,Rx_mac_sop,Rx_mac_eop,wr2_full} }; - - assign debug_serdes0 = { { rd0_dat[7:0] }, - { ser_tx_clk, ser_tkmsb, ser_tklsb, rd0_sop, rd0_eop, rd0_read, rd0_error, rd0_done }, - { ser_t[15:8] }, - { ser_t[7:0] } }; - - assign debug_serdes1 = { {1'b0,proc_int,underrun,buffer_int,wr0_ready,wr0_error,wr0_done,wr0_write}, - { 1'b0, ser_rx_clk, ser_rkmsb, ser_rklsb, ser_enable, ser_prbsen, ser_loopen, ser_rx_en }, - { ser_r[15:8] }, - { ser_r[7:0] } }; - - assign debug_gpio_1 = {uart_tx_o,7'd0, - 3'd0,rd1_sop,rd1_eop,rd1_read,rd1_done,rd1_error, - debug_txc[15:0]}; - assign debug_gpio_1 = debug_rx; - assign debug_gpio_1 = debug_serdes1; - assign debug_gpio_1 = debug_eth; - - */ - diff --git a/fpga/usrp2/top/u2_rev3/u2_rev3.ucf b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf index deaeecb53..6e0caedd5 100644 --- a/fpga/usrp2/top/u2_rev3/u2_rev3.ucf +++ b/fpga/usrp2/top/u2_rev3/u2_rev3.ucf @@ -74,49 +74,49 @@ NET "MDC" LOC = "V18" ; NET "PHY_INTn" LOC = "AB13" ; NET "PHY_RESETn" LOC = "AA19" ; NET "PHY_CLK" LOC = "V15" ; -NET "RAM_D[0]" LOC = "N20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[1]" LOC = "N21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[2]" LOC = "N22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[3]" LOC = "M17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[4]" LOC = "M18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[5]" LOC = "M19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[6]" LOC = "M20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[7]" LOC = "M21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[8]" LOC = "M22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[9]" LOC = "Y22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[10]" LOC = "Y21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[11]" LOC = "Y20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[12]" LOC = "Y19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[13]" LOC = "W22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[14]" LOC = "W21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[15]" LOC = "W20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[16]" LOC = "W19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_D[17]" LOC = "V22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[0]" LOC = "U21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[1]" LOC = "T19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[2]" LOC = "V21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[3]" LOC = "V20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[4]" LOC = "T20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[5]" LOC = "T21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[6]" LOC = "T22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[7]" LOC = "T18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[8]" LOC = "R18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[9]" LOC = "P19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[10]" LOC = "P21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[11]" LOC = "P22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[12]" LOC = "N19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[13]" LOC = "N17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[14]" LOC = "N18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[15]" LOC = "T17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[16]" LOC = "U19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[17]" LOC = "U18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_A[18]" LOC = "V19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_CE1n" LOC = "U20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_CENn" LOC = "P18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_CLK" LOC = "P17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_WEn" LOC = "R22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_OEn" LOC = "R21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; -NET "RAM_LDn" LOC = "R19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[0]" LOC = "N20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[1]" LOC = "N21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[2]" LOC = "N22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[3]" LOC = "M17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[4]" LOC = "M18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[5]" LOC = "M19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[6]" LOC = "M20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[7]" LOC = "M21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[8]" LOC = "M22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[9]" LOC = "Y22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[10]" LOC = "Y21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[11]" LOC = "Y20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[12]" LOC = "Y19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[13]" LOC = "W22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[14]" LOC = "W21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[15]" LOC = "W20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[16]" LOC = "W19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[17]" LOC = "V22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[0]" LOC = "U21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[1]" LOC = "T19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[2]" LOC = "V21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[3]" LOC = "V20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[4]" LOC = "T20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[5]" LOC = "T21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[6]" LOC = "T22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[7]" LOC = "T18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[8]" LOC = "R18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[9]" LOC = "P19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[10]" LOC = "P21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[11]" LOC = "P22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[12]" LOC = "N19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[13]" LOC = "N17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[14]" LOC = "N18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[15]" LOC = "T17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[16]" LOC = "U19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[17]" LOC = "U18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_A[18]" LOC = "V19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_CE1n" LOC = "U20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_CENn" LOC = "P18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_CLK" LOC = "P17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_WEn" LOC = "R22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_OEn" LOC = "R21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_LDn" LOC = "R19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; NET "ser_enable" LOC = "W11" ; NET "ser_prbsen" LOC = "AA3" ; NET "ser_loopen" LOC = "Y4" ; |