Technical information

7-58
AIC-6915 Ethernet LAN Controller Programmer’s Manual
RxFrameTestOut Register
Type: R
Internal Registers Subgroup: Ethernet Functional Registers
Byte Address: F8h- FBh
Table 7-72. RxFrameTestOut Register
Bit(s) rw
Reset
Value Description/Function
31:24 r 0
Reserved:
Always read as 0.
23:16 r 0
TestRxFrame:
If TestSel[2:0] = 0: TestRxFrame = status0; (default)
else If TestSel[2:0] = 1: TestRxFrame = status1;
else If TestSel[2:0] = 2: TestRxFrame = status2;
else If TestSel[2:0] = 3: TestRxFrame = status3;
where;
status0 = {main_ready, Main-End, bypass_fp, receive_byte,
hword_next, byte_state}:
status1 = {2’b0, frame_done, force_early_status, fp_valid,
adrs_valid, status_written, write_early_status}:
status2 = {frame_done, bypass_fp, new_adrsmatch, got_fp_status,
mac_status_state}:
status3 = {main_ready, main_end, match, state}:
15:12 r 0
Reserved:
Always read as 0.
11:8 r 0
Mac_Status_state:
MAC status
7:5 r 0
Byte_state:
RxFrame_Byte state machine state.
4:0 r 0
State:
RxFrame state machine state.