Справочник Пользователя для Silicon Laboratories Ethernet-DK

The following instructions illustrate how to setup the hardware included with the kit.

1. Connect the AB4 Ethernet Development Board to the C8051F120 Target Board at J24 (Figure 2). Apply 

slight pressure to ensure the mating 96-pin connectors are firmly connected.

2. Using the ribbon cable, connect the USB Debug Adapter to the C8051F120 Target Board at the JTAG 

header as shown in Figure 3.

3. Connect one end of the provided USB cable to any available USB port on the PC (Figure 3).

4. Connect the other end of the USB cable into the USB connector on the USB Debug Adapter (Figure 3).

5. Connect the ac/dc Power Adapter to the C8051F120 Target Board at P1 (Figure 3). This connection should 

power both boards. Power is indicated by the "PWR" LED on the C8051F120 TB.

Note: The 'F120TB places a 2

 resistor in series with the power supply net powering the AB4 Board. We recom-

mend replacing this resistor with a 0

 resistor to prevent large voltage drops, possibly triggering a V

DD

Monitor reset, when current demand increases.

J1

JT

A

G

P1

J24

J11

J3

J23

PWR

P1.6

J5

J9

J20

Pin 1

Pin 2

J22

Pin 1

Pin 2

J4

P3

.7

RE

S

E

T

J8

J10

J6

Pin 1

Pin 2

Port 0

Port 2

Port 4

Port 7

Port 1

Port 3

Port 6

Port 5

J21

MONEN

LED1
LED2

SW2

SW1

J6

J5

J3

J4

Prototyping 

Area

R1

USB Port

USB 

Debug

Adapter

Ribbon 

Cable

USB

Cable

PC

AC / DC

Adapter

C8051F120

Target Board

JT

A

G

AB4 Ethernet 

Development 

Board