RM0082
HS_Media independent interface (MII)
Doc ID 018672 Rev 1
545/844
24.7.26
Interrupt status register (Register 14, MAC)
The Interrupt Status Register contents identify the events in the MAC-CORE that can
generate interrupt.
Table 455.
PMT CSR bit assignments
Bit
Reset value
Type
Description
[31]
1’h0
RW
Wake-up frame filter register pointer reset.
If set, it resets the remote wake-up frame filter pointer to 3’b000
(eight remote wake-up registers are present). It is automatically
cleared after 1 clock cycle.
[30:10]
-
RO
Reserved. Read: undefined.
[09]
1’h0
RW
Global unicast.
If set, it enables any unicast packet filtered by MAC address
recognition (DAF) to be a wake-up frame.
[08:07]
-
RO
Reserved. Read: undefined.
[06]
1’h0
RW
Wake-up frame received.
If set, it indicates that the power management event was
generated due to the reception of a wake-up frame. This bit is
cleared by a read into this register.
[05]
1’h0
RW
Magic packet received.
If set, it indicates that the power management event was
generated due to the reception of a magic packet. This bit is
cleared by a Read into this register.
[04:03]
-
RO
Reserved. Read: undefined.
[02]
1’h0
RW
Wake-up frame enable.
If set, it enables generation of a power management event due to
wake-up frame reception.
[01]
1’h0
RW
Magic packet enable. If set, it enables generation of a power
management event due to magic packet reception.
[00]
1’h0
RW
Power down.
If set, all received frames will be dropped. This bit is automatically
cleared when a wake-up frame or a magic packet is received, and
the power-down mode is disabled.
Note that this bit should be set only when either wake-up frame
enable (bit [2]) or magic packet enable (bit [1]) are set.
Table 456.
Interrupt status register bit assignments
Bit
Reset Value Type
Description
[31:16]
Reserved
[15:05]
-
RO
Reserved