Below are the Timer Syncer IP top level ports.
Signal | Direction | Clock Domain | Description |
---|---|---|---|
Clock Resets | |||
ts_clk | IN | N/A | Free running clock which clocks the System Timer’s counters |
ts_rst | IN | ts_clk | System timer reset -active High |
tod_intr | OUT | ts_clk | Interrupt asserted on 1-PPS event |
External ToD Bus Interface | |||
tod_1pps_in |
IN | N/A | External Bus 1-PPS input |
tod_sec_clk_in |
IN | N/A | External Bus clock, used for tod_sec_in |
tod_sec_in |
IN | tod_sec_clk_in | External Bus seconds serial data |
tod_1pps_out |
Output | ts_clk | 1-PPS output. Asserted when the System Timer’s nano-second field rolls-over. |
tod_sec_clk_out |
IN | N/A |
Echo of External Bus clock |
tod_sec_out | IN | tod_sec_clk_in | Serial output of internal ToD seconds |
Per-Port Port Timer Interface _m denotes the port number (0 ≤ m ≤ 15) |
|||
tx_phy_clk_m |
IN |
Port TX PHY Clock |
|
rx_phy_clk_m |
IN |
Port RX PHY Clock |
|
tx_phy_rst_m |
IN | tx_phy_clk_m |
Port TX Reset |
rx_phy_rst_m |
IN | rx_phy_clk_m |
Port RX Reset |
tx_tod_sec_m[47:0] |
OUT | tx_phy_clk_m |
Port TX Timer seconds field |
tx_tod_ns_m[31:0] |
OUT | tx_phy_clk_m |
Port TX Timer nano-seconds field |
tx_tod_corr_m[63:0] |
OUT | tx_phy_clk_m |
Port TX Timer CF field |
rx_tod_sec_m[47:0] |
OUT | rx_phy_clk_m |
Port RX Timer seconds field |
rx_tod_ns_m[31:0] |
OUT | rx_phy_clk_m |
Port RX Timer nano-seconds field |
rx_tod_corr_m[63:0] | OUT | rx_phy_clk_m | Port RX Timer CF field |
AXI4-Lite Interface | |||
s_axi_aclk |
IN |
AXI4-Lite I/F clock |
|
s_axi_aresetn |
IN | s_axi_aclk |
AXI4-Lite I/F reset |
s_axi_awaddr[31:0] |
IN | s_axi_aclk |
Write address |
s_axi_awvalid |
IN | s_axi_aclk |
Write Address Valid |
s_axi_awready |
OUT | s_axi_aclk |
Write Address Ready |
s_axi_wdata[31:0] |
IN | s_axi_aclk |
Write Data |
s_axi_wstrb[3:0] |
IN | s_axi_aclk |
Write Data Byte Valid. Tie to 4’hF |
s_axi_wvalid |
IN | s_axi_aclk |
Write Valid |
s_axi_wready |
OUT | s_axi_aclk |
Write Ready |
s_axi_bresp |
OUT | s_axi_aclk |
Write Response |
s_axi_bvalid |
OUT | s_axi_aclk |
Write Response Valid |
s_axi_bready |
IN | s_axi_aclk |
Write Response Ready |
s_axi_araddr[31:0] |
IN | s_axi_aclk |
Read Address |
s_axi_arvalid |
IN | s_axi_aclk |
Read Address Valid |
s_axi_arready |
OUT | s_axi_aclk |
Read Address Ready |
s_axi_rdata[31:0] |
OUT | s_axi_aclk |
Read Data |
s_axi_rresp |
OUT | s_axi_aclk |
Read Response |
s_axi_rvalid |
OUT | s_axi_aclk |
Read Data Valid |
s_axi_rready | IN | s_axi_aclk | Read Ready |