KSZ8842-PMBLAM MICREL [Micrel Semiconductor], KSZ8842-PMBLAM Datasheet - Page 56
![no-image](/images/no-image-200.jpg)
KSZ8842-PMBLAM
Manufacturer Part Number
KSZ8842-PMBLAM
Description
2-Port Ethernet Switch with PCI Interface
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.KSZ8842-PMBLAM.pdf
(119 pages)
- Current page: 56 of 119
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Micrel, Inc.
Switch Global Control Register 4 (Offset 0x0408): SGCR4
This register contains the global control for the switch function.
Switch Global Control Register 5 (Offset 0x040A): SGCR5
This register contains the global control for the switch function.
October 2007
11 – 10
15 – 0
Bit
Bit
15
14
13
12
9
Default
Default
0x2400
0
0
0
0
0
0
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
Description
Reserved.
For factory testing purposes only.
Description
LEDSEL1
See description for bit 9.
Reserved
Reserved
Testing mode
Reserved , must be 0
Reserved
LEDSEL0
The two register bits LEDSEL1 and LEDSEL0, are used to select the LED
mode.
Port x LED Indicators as Switch mode defined as below:
Port 1 and port 2 LED indicators as Repeater mode defined as follows:
PxLED3
PxLED2
PxLED1
PxLED0
PxLED3
PxLED2
PxLED1
PxLED0
P1LED3
P1LED2
P1LED1
P1LED0
56
[LEDSEL1, LEDSEL0]
[0, 0]
—
LINK/ACT
FULL_DPX/COL
SPEED
[LEDSEL1, LEDSEL0]
[1, 0]
ACT
LINK
FULL_DPX/COL
SPEED
Switch Global Control Register 5:
SGCR5 bit [15,9]
[0,0] Default
RPT_COL
RPT_Link3/RX
RPT_Link2/RX
RPT_Link1/RX
[0, 1]
—
100LINK/ACT
FULL_DPX
[1, 1]
—
—
—
10LINK/ACT
—
[0,1] [1,0] [1,1]
—
—
—
—
KSZ8842-PMQL/PMBL
M9999-100207-1.5
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