1.4.2. Signals
Signal | Width | Direction | Description |
---|---|---|---|
clock | 1 | Input | Input clock signal. |
reset | 1 | Input | Active-high logic reset signal. |
emr_read | 1 | Input | Optional. This active-high signal initiates rereading the current EMR content. The EMR content updates when the device detects a new error. The EMR contains the error until a new error is detected, even if internal or external scrubbing corrects the error. |
crcerror | 1 | Output | Indicates detection of a CRC error. This signal synchronizes to the clock port of the Error Message Register Unloader IP core. |
crcerror_pin | 1 | Output | Connect this signal to the CRC_Error pin. This signal is synchronous to the device's internal oscillator. |
crcerror_clk | 1 | Input | CRC Error Verify IP core input clock signal. |
crcerror_reset | 1 | Input | CRC Error Verify IP core active-high logic reset signal. |
emr[N-1:0] | 46, 67, or 78 | Output | This data port contains the device's error message register contents, as defined in the device handbook SEU mitigation chapter:
N is 46, 67, or 78. |
emr_valid | 1 | Output | Active high when the emr signal contents are valid. This signal complies with the Avalon® interface definition. |
emr_error | 1 | Output | This signal is active high when the current EMR output transfer has an error and should be ignored. Typically, this signal indicates that the EMR input clock is too slow. This signal complies with the Avalon® interface definition. |
endoffullchip | 1 | Output | Optional output signal that indicates the end of each full-chip error detection cycle for the entire device. Intel® Arria® 10, Intel® Cyclone® 10 GX, Stratix® V, Arria® V, and Cyclone® V devices only. |