W7500x Reference Manual Version1.1.0
74 / 399
IR (Interrupt Register)
Address Offset : 0x2100
Reset value : 0x0000_0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
res
res
res
Res
res
res
res
res
res
res
res
res
res
es
res
res
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
res
res
res
res
res
res
res
res
IR[7:4]
res
res
res
res
R
R
R
R
IR indicates the interrupt status. If IR is not equal to ‘0x00’, INTn PIN is asserted low until it
is ‘0x00’.
[4] WOL – Magic Packet
When WOL mode is enabled and receives the magic packet over UDP, this bit is set.
[5] PPPoE – PPPoE Close
When PPPoE is disconnected during PPPoE mode, this bit is set.
[6] UNREACH – Destination unreachable
When receiving the ICMP (Destination port unreachable) packet, this bit is set as ‘1’.
When this bit is ‘1’, Destination Information such as IP address and Port number may
be checked with the corresponding UIPR & UPORTR.
[7] Conflict – IP Conflict
Bit is set as ‘1’ when own source IP address is same with the sender IP address in the
received ARP request.
IMR (Interrupt Mask Register)
Address Offset : 0x2104
Reset value : 0x0000_0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
res
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
res
res
res
res
res
res
res
res
IMR[7:4]
res
res
res
res
R/W
Содержание W7500
Страница 28: ...W7500x Reference Manual Version1 1 0 28 399 Memory map Figure 2 W7500x memory map ...
Страница 324: ...W7500x Reference Manual Version1 1 0 324 399 Figure 46 UART character frame ...
Страница 391: ...W7500x Reference Manual Version1 1 0 391 399 1 SSP1 must not drive the SSPTXD output in slave mode ...