KSZ8895MQ_12 MICREL [Micrel Semiconductor], KSZ8895MQ_12 Datasheet - Page 63

• Manufacturer Part Number: KSZ8895MQ_12
• Description: Integrated 5-Port 10/100 Managed Ethernet Switch with MII/RMII interface
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Global Registers (Continued)
March 2012
Address
5
4 – 3
2-0
Register 15 (0x0F): Power Down Management Control 2
7 – 0
Name
PLL Power Down
Power Management Mode
Reserved
Go_sleep_time[7:0]
Description
Pll power down enable:
1 = Enable
0 = Disable
Power management mode :
00 = Normal mode (D0)
01 = Energy Detection mode (D2)
10 = soft Power Down mode (D3)
11 = Power Saving mode (D1)
N/A Do not change.
When the Energy Detect mode is on, this value is
used to control the minimum period that the no energy
event has to be detected consecutively before the
device enters the low power state. The unit is 20 ms.
The default of go_sleep time is 1.6 seconds (80Dec x
20ms).
63
Mode
R/W
R/W
R/W
RO
KSZ8895MQ/RQ/FMQ
Pin LED[4][0]
strap option.
PD(0): Select
Energy detection
mode
PU(1): (default)
Normal mode
Note: LED[4][0]
has internal pull-
up.
M9999-032612-1.5
01010000
Default
000
00
0