Maxim M30B Especificaciones descargar pdf (Pagina 7)

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DS33M33DK

Rev: 102108 7 of 48

SILKSCREEN

REFERENCE

FUNCTION

BASIC

SETTING

SCHEMATIC

PAGE

DESCRIPTION

JP10 Bias PHY MacClkEn

Jumper

P2+3 (low)

P2+3 PHY clock to mac output is

disabled, P1+2 PHY clock to mac

output is enabled. Mac clock only

needs to be enabled in Gigabit

mode.

DS14 LED activity — 26 Flashes for PHY Tx-Rx activity.

DS15

DS16

DS17

LED link speed

1 of the 3

should be lit

(when linked)

LED to indicate link speed–1000,

100, or 10Mbps. Only one of the

three LEDs should be lit. See JP05

+ JP02 description for setting in

GMII vs. MII mode.

DS18 LED duplex — 25 LED is on in full-duplex mode.

JB03

JB02

PHY Test Points — 19

PHY test points. The connector

pinout is compatible with existing

PHY cards, but cannot be used

with U04 on the board.

J16 JTAG

Jumper

J16.1+J16.3

8 DS33M33 JTAG.

J20 Runtime options NA 1

Currently the device drivers do not

fit in flash, and are not loaded to

the DK.

J31 JTAG — 31 FPGA JTAG.

JP25

JP26

Comm Port

Jumper

P1+2

Jumper pins 1+2 to select the

RS232 transceiver. Jumper pins

2+3 to select the USB to serial

converter.

SW01 Reset — 11 System reset button.

J21 Test Points — 8 Databus test points, pins D0–D15

J24 Test Points — 8

Address bus test points pins A0–

A13.

J23 Test Points — 8

Test points for DS33M33 CS, WR

RD, and INT.

JP22

JP21

JP20

SPI Bias

SWAP

CPHA

CPOL

Jumper

P1+2

Jumper pins 2+1 to connect to

processor parallel databus. Leave

jumper off to pull pin low, jumper

pins 2+3 to pull pin high.

JP14

JP13

JP12

JP11

SPI connection

MISO

MOSI

SCK

Jumper

P1+2

Jumper Pins 2+1 to connect to

parallel databus. Jumper pins 2+3

to connect to SPI port.

J30

Pin Bias

IFSEL_SIZE

IFSEL_STYLE

SPISEL

HIZ

DCESEL

RMIISEL

ALE

Jumper

IFSEL_STYLE

HIZ_N

(parallel mode)

Jumper to pull high, leave jumper

off to pull low.

J19 Clock select Jumper P2+4 6

Clock selection for PHY and

Ethernet side of DS33M33.

JP01 Clock select Jumper P1+2 6

Clad clock selection, jumper P1+2

to drive with 19.44MHz. Jumper

P2+3 to drive with 77.76MHz clock.

1 2 3 4 5 6 7 8 9 10 11 12 ... 46 47

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Maxim M30B Especificaciones Pagina 7

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