KSZ8851-16MLLJ_10 MICREL [Micrel Semiconductor], KSZ8851-16MLLJ_10 Datasheet - Page 69

• Manufacturer Part Number: KSZ8851-16MLLJ_10
• Description: Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
• Manufacturer: MICREL [Micrel Semiconductor]

Indirect Access Data High Register (0xD2 – 0xD3): IADHR
This register contains the indirect data (high word) for MIB counter.
Power Management Event Control Register (0xD4 – 0xD5): PMECR
This register is used to control the KSZ8851-16MLLJ power management event, capabilities and status.
March 2010
Micrel, Inc.
Bit
15-0
Bit
15
14
13
12
11-8
7
6
Default Value
-
0
0
0
0x0
0
0
Default
0x0000
R/W
RO
RW
RW
RW
RW
RW
RW
R/W
RW
Description
Indirect High Word Data
Bit 31-16 of indirect data.
Description
Reserved.
PME Delay Enable
This bit is used to enable the delay of PME output pin assertion.
When this bit is set to 1, the device will not assert the PME output till the device’s all clocks
are running and ready for host access.
When this bit is set to 0, the device will assert the PME output without delay.
This bit is only valid when Auto Wake-Up Enable (bit7) is set to 1 in this register.
Reserved
PME Output Polarity
This bit is used to control the PME output pin polarity.
When this bit is set to 1, the PME output pin is active high.
When this bit is set to 0, the PME output pin is active low.
Wake-on-LAN to PME Output Enable
These four bits are used to enable the PME output pin asserted when one of these wake-
on-LAN events is detected:
Bit 11: is corresponding to receive wake-up frame.
Bit 10: is corresponding to receive magic packet.
Bit 9: is corresponding to link change from down to up.
Bit 8: is corresponding to signal energy detected.
When the bit is set to 1, the PME pin will be asserted when a corresponding wake-on-LAN
event is occurred.
When this bit is set to 0, the PME pin will be not asserted when a corresponding wake-on-
LAN event is occurred.
Auto Wake-Up Enable
This bit is used to enable automatically wake-up from low power state to normal power
state in energy detect mode if carrier (signal energy) is present more than wake-up time in
GSWUTR register. During the normal power state, the device can receive and transmit
packets.
When this bit is set to 1, the auto wake-up is enabled in energy detect mode.
When this bit is set to 0, the auto wake-up is disabled in energy detect mode.
Wake-Up to Normal Operation Mode
This bit is used to control the device wake-up from low power state in energy detect mode
to normal operation mode if signal energy is detected longer than the programmed wake-
up time in GSWUTR register.
When this bit is set to 1, the device will automatically go to the normal operation mode from
energy detect mode.
When this bit is set to 0, the device will not automatically go to the normal mode from
energy detect mode.
This bit is only valid when Auto Wake-Up Enable (bit7) is set to 1.
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KSZ8851-16MLLJ