KSZ8842-16 Просмотр технического описания (PDF) - Micrel

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KSZ8842-16

2-Port Ethernet Switch with Non-PCI Interface

Micrel 

Micrel, Inc.

Ball Number

J7

H7

Ball Name

A1

BE1N

K8

BE0N

K9

D15

K10

D14

J9

D13

J10

D12

J8

D11

H9

D10

H10

D9

H8

D8

G9

D7

G10

D6

G8

D5

F9

D4

F10

D3

F8

D2

E9

D1

E10

D0

C4

VDDCO

C5

D3, E3, F3

E1

E2

D7, E7, F7,

G4, G5, G6,

G7

D4, D5, D6,

E4, E5, E6,

F4, F5, F6

D8, H1

VDDC

VDDA

VDDATX

VDDARX

VDDIO

GND

NC

Type

I

I

I

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

P

P

P

P

P

P

Gnd

I

KSZ8842-16/32 MQL/MVL/MVLI/MBL

Ball Function

Address 1

Byte Enable 1 Not, Active low for Data byte 1 enable (don’t care in 8-bit bus

mode).

Byte Enable 0 Not, Active low for Data byte 0 enable (there is an internal inverter

enabled and connected to the BE1N for 8-bit bus mode).

Data 15

Data 14

Data 13

Data 12

Data 11

Data 10

Data 9

Data 8

Data 7

Data 6

Data 5

Data 4

Data 3

Data 2

Data 1

Data 0

1.2V digital core voltage output (internal 1.2V LDO power supply output), this

1.2V output ball provides power to all VDDC/VDDA balls.

Note: Internally generated power voltage. Do not connect an external power

supply to this ball. This ball is used for connecting external filter (Ferrite bead

and capacitors). It is recommended this ball should be connected to 3.3V power

rail by a 100 ohm resistor for the internal LDO application.

1.2V digital core VDD input power supply from VDDCO (ball C4) through external

Ferrite bead and capacitor.

1.2V analog VDD input power supply from VDDCO (ball C4) through external

Ferrite bead and capacitor.

3.3V analog VDD input power supply with well decoupling capacitors.

3.3V analog VDD input power supply with well decoupling capacitors.

3.3V digital VDDIO input power supply for IO with well decoupling capacitors.

All digital and analog grounds

No Connect

October 2007

21

M9999-102207-1.9

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