KSZ8842-PMBLAM MICREL [Micrel Semiconductor], KSZ8842-PMBLAM Datasheet - Page 11
![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)
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Micrel, Inc.
Pins Description of KSZ8842-PMQL
October 2007
Pin
Number
10
1
2
3
4
5
6
7
8
9
SCAN_EN
TEST_EN
P1LED2
P1LED1
P1LED0
P2LED2
P2LED1
P2LED0
Pin
Name
VDDIO
DGND
Type
Opu
Opu
Opu
Opu
Opu
Opu
Gnd
P
I
I
Test Enable
For normal operation, pull-down this pin to ground.
Scan Test Scan Mux Enable
For normal operation, pull-down this pin to ground.
Port 1 and Port 2 LED indicators
LEDs turn on when low.
Notes:
1. Link = On; Activity = Blink; Link/Act = On/Blink; Full Dup/Col = On/Blink;
Full Duplex = On (Full duplex); Off (Half duplex)
Speed = On (100BASE-T); Off (10BASE-T)
2. P1LED3 is pin 27. P2LED3 is pin 22
Port 1 and Port 2 LED indicators
Note:
1. RPT_COL = Blink; RPT_Link3/RX (Host port) = On/Blink;
RPT_Link2/RX (Port 2) = On/Blink; RPT_Link1/RX (Port 1) = On/Blink;
RPT_ACT = On if any activity; RPT_ERR3 (Host port) = On if any CRC error;
RPT_ERR2 (port 2) = On if any CRC error; RPT_ERR1 (port 1) = On if any CRC error;
Digital ground
3.3V digital I/O V
P1LED3
P1LED2/P2LED2
P1LED1/P2LED1
P1LED0/P2LED0
P1LED3
P1LED2/P2LED2
P1LED1/P2LED1
P1LED0/P2LED0
P1LED3/P2LED3
P1LED2/P2LED2
P1LED1/P2LED1
P1LED0/P2LED0
Pin Function
2
2
/P2LED3
/P2LED3
DD
11
Chip Global Control Register 5:
SGCR5 bit [15,9]
[0,0] Default
—
Link/Act
Full duplex/Col
Speed
Reg. SGCR5 bit [15,9]
[1,0]
Act
Link
Full duplex/Col
Speed
Switch Global Control Register 5:
SGCR5 bit [15,9]
[0,0] Default
RPT_COL,
RPT_ACT
RPT_Link3/RX,
RPT_ERR3
RPT_Link2/RX,
RPT_ERR2
RPT_Link1/RX,
RPT_ERR1
1
1
defined as follows:
for Repeater mode defined as follows:
[0,1]
—
100Link/Act
10Link/Act
Full duplex
[1,1]
—
—
—
—
[0,1] [1,0],[1,1]
—
—
—
—
KSZ8842-PMQL/PMBL
M9999-100207-1.5
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