Xilinx RocketIO X User Manual page 70

R
70
reg cc_event_insert;
reg cc_event_remove;
reg cb_event_load;
reg err_event_cc;
reg err_event_cb;
reg [5:0] pointerDiff;
reg [2:0] pointerDiff_hi;
reg [1:0] pointerDiff_valid;
reg [5:0] cbSkew;
reg [2:0] cbSkew_hi;
reg [1:0] cbSkew_valid;
reg rxbuf_almost_err;
wire [5:0] status_event_bus;
wire [2:0] status_bus;
parameter CC_EVENT_INSERT_C = 6'b010001;
parameter CC_EVENT_REMOVE_C = 6'b010000;
parameter CB_EVENT_LOAD_C
parameter ERR_EVENT_CC_C
parameter ERR_EVENT_CB_C
parameter STATUS_INDICATOR_C= 3'b001;
parameter STATUS_DATA_C
assign status_event_bus = {CHBONDDONE, RXBUFSTATUS[1], RXBUFSTATUS[0],
RXCLKCORCNT[2],
RXCLKCORCNT[1], RXCLKCORCNT[0]};
assign status_bus
//////////////////////////////////////////////////////////////////////
//Logic to decode events
//////////////////////////////////////////////////////////////////////
always @(posedge RXUSRCLK2 or posedge DCM_LOCKED_N)
begin
if (DCM_LOCKED_N) begin
cc_event_insert <= 1'b0;
cc_event_remove <= 1'b0;
cb_event_load
err_event_cc
err_event_cb
end
else begin
cc_event_insert <= status_event_bus == CC_EVENT_INSERT_C;
cc_event_remove <= status_event_bus == CC_EVENT_REMOVE_C;
cb_event_load
err_event_cc
err_event_cb
end
end
//////////////////////////////////////////////////////////////////////
// Logic to decode the cbSkew value and pointerDiff value
//////////////////////////////////////////////////////////////////////
always @(posedge RXUSRCLK2 or posedge DCM_LOCKED_N)
begin
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Chapter 2: Digital Design Considerations
= 6'b100111;
= 6'b011000;
= 6'b011001;
= 3'b000;
= {CHBONDDONE, RXBUFSTATUS[1], RXBUFSTATUS[0]};
<= 1'b0;
<= 1'b0;
<= 1'b0;
<= status_event_bus == CB_EVENT_LOAD_C;
<= status_event_bus == ERR_EVENT_CC_C;
<= status_event_bus == ERR_EVENT_CB_C;
RocketIO™ X Transceiver User Guide
UG035 (v1.5) November 22, 2004