KSZ8842-PMBLAM MICREL [Micrel Semiconductor], KSZ8842-PMBLAM Datasheet - Page 12
![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: 12 of 119
- Download datasheet (961Kb)
Micrel, Inc.
October 2007
Pin
Number
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PWRDN
P2LED3
VDDCO
P1LED3
Pin
Name
VDDIO
VDDIO
INTRN
DGND
EEDO
DGND
DGND
AGND
AGND
EECS
EEEN
VDDA
PCLK
EESK
EEDI
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Type
Opd
Opu
Opd
Gnd
Opd
Opd
Opd
Gnd
Gnd
Gnd
Gnd
Ipd
Ipd
Ipd
Ipu
—
—
—
—
—
—
—
—
—
—
—
P
P
P
P
No connect
PCI Bus Clock
This Clock provides the timing for all PCI bus phases. The rising edge defines the start
of each phase. The clock maximum frequency is 33MHz.
No connect
No connect
No connect
Interrupt Request
Active Low signal to host CPU to request an interrupt when any one of the interrupt
conditions occurs in the registers. This pin should be pull-up externally.
No connect
No connect
EEPROM Chip Select
This signal is used to select an external EEPROM device
No connect
No connect
Port 2 LED Indicator
See the description in pins 6, 7, and 8.
Digital IO Ground
1.2V Core Voltage Output. (Internal 1.2V LDO power supply output)
This pin is used to provide 1.2V power supply to all 1.2V power VDDC, VDDA and
VDDAP. It is recommended the pin should be connected to 3.3V power rail by a
100ohm resistor for the internal LDO application.
No connect
EEPROM Enable
EEPROM is enabled and connected when this pin is pull-up.
EEPROM is disabled when this pin is pull-down or no connect.
Port 1 LED Indicator
See the description in pins 3, 4, and 5.
EEPROM Data Out
This pin is connected to DI input of the serial EEPROM.
EEPROM Serial Clock
4
EEPROM Data In
This pin is connected to DO output of the serial EEPROM.
No connect
3.3V digital I/O V
3.3V digital I/O V
Digital ground
Digital ground
Full-chip power-down input. Active Low.
Analog ground
1.2V analog V
Analog ground
No connect
µ
Pin Function
s serial clock to load configuration data from the serial EEPROM.
DD
DD
DD
.
.
12
KSZ8842-PMQL/PMBL
M9999-100207-1.5
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