Altera MasterBlaster Serial/USB Manual de usuario descargar pdf (Pagina 17)

Chapter 2: MasterBlaster Serial/USB Communications Cable Data Sheet 2–5

Operating Conditions

When 5.0- or 3.3-V power is not available on the circuit board, the MasterBlaster cable can be

1 For the MasterBlaster cable’s output drivers, connect the circuit board’s V

and

ground to the MasterBlaster cable’s VCC, VIO, and GND pins.

Circuit Board Header Connection

The MasterBlaster cable’s 10-pin female plug connects to a 10-pin male header on the

circuit board. The 10-pin male header has two rows of five pins, which are connected

to the device’s programming or configuration pins. Figure 2–1 shows the dimensions

of a typical 10-pin male header.

1 Although a 10-pin surface mount header can be used for the JTAG, AS or PS

download cable, Altera recommends using a through-hole connector due to the

repeated insertion and removal force needed.

LED Status

The purpose of the LED indicator lights located on the MasterBlaster download cable

is to provide information about the status of the MasterBlaster cable. Table 2–1 lists

the indicator and status of the MasterBlaster cable.

Operating Conditions

Table 2–2 through 2–6 summarize the absolute maximum ratings, recommended

operating conditions, and DC operating conditions for the MasterBlaster cable.

Figure 2–1. 10-Pin Male Header Dimensions

0.025 Sq.

0.235

0.100

Side View

0.100

Top View

Table 2–1. LED Status Indicator

Color Blink Frequency Description

Green Slow Cable ready

Green Fast Performing a logic analysis

Amber Slow Programming in progress

1 2 ... 12 13 14 15 16 17 18 19 20 21 22

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Altera MasterBlaster Serial/USB Manual de usuario Pagina 17