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// 3. precise time adjustment: small time difference adjustment with a time mark
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// 3. precise time adjustment: small time difference adjustment with a time mark
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input adj_ld,
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input adj_ld,
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input [31:0] adj_ld_data,
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input [31:0] adj_ld_data,
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input [39:0] period_adj, // 39:32 ns, 31:0 ns_fraction
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input [39:0] period_adj, // 39:32 ns, 31:0 ns_fraction
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// time output
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// time output: for internal with ns fraction
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output [37:0] time_reg_ns, // 37:8 ns, 7:0 ns_fraction
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output [37:0] time_reg_ns, // 37:8 ns, 7:0 ns_fraction
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output [47:0] time_reg_sec // 47:0 sec
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output [47:0] time_reg_sec, // 47:0 sec
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// time output: for external with ptp standard
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output [31:0] time_ptp_ns, // 31:0 ns
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output [47:0] time_ptp_sec // 47:0 sec
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);
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);
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reg [39:0] period_fix; // 39:32 ns, 31:0 ns_fraction
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reg [39:0] period_fix; // 39:32 ns, 31:0 ns_fraction
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reg [31:0] adj_cnt;
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reg [31:0] adj_cnt;
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reg [39:0] time_adj; // 39:32 ns, 31:0 ns_fraction
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reg [39:0] time_adj; // 39:32 ns, 31:0 ns_fraction
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end
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end
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// time output (48bit_s + 30bit_ns + 8bit_ns_fraction)
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// time output (48bit_s + 30bit_ns + 8bit_ns_fraction)
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assign time_reg_ns = time_acc_30n_08f;
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assign time_reg_ns = time_acc_30n_08f;
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assign time_reg_sec = time_acc_48s;
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assign time_reg_sec = time_acc_48s;
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// time output (48bit_s + 32bit_ns)
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assign time_ptp_ns = {2'b00, time_acc_30n_08f[37:8]};
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assign time_ptp_sec = time_acc_48s;
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endmodule
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endmodule
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