Altera ByteBlaster II Manual do Utilizador descarregar pdf (Página 18)

2–2 Chapter 2: ByteBlaster II Specifications

ByteBlaster II Connections

ByteBlaster II Download Cable User Guide © July 2008 Altera Corporation

Cable-to-Board Connection

The ByteBlaster II cable has a standard parallel printer plug that connects to the PC.

Figure 2–1 shows a block diagram of the ByteBlaster II download cable.

ByteBlaster II 25-Pin Header Connection

The 25-pin male header connects to a parallel port with a standard parallel cable.

Table 2–2 identifies the plug pin names and the corresponding programming modes.

EPC4, EPC8, and EPC16 devices 3.3 V

EPCS1, EPCS4, EPCS16, EPCS64, and EPCS128 devices 3.3 V

Table 2–1. ByteBlaster II V

CC(TRGT)

Pin Voltage Requirements (Part 2 of 2)

Figure 2–1. ByteBlaster II Block Diagram

TRI

18 to 25

Series Resistors for Signal Quality

and Parallel Port Protection

(Typically 100 Ω)

GND

2, 10

GND

Table 2–2. ByteBlaster II 25-Pin Header Pin-Outs (Part 1 of 2)

AS Mode PS Mode JTAG Mode

Signal Name Description Signal Name Description Signal Name Description

2 DCLK Clock signal DCLK Clock signal TCK Clock signal

3 nCONFIG Configuration control nCONFIG Configuration

control

TMS JTAG state

machine control

4 nCS Serial configuration

device chip select

— No connect — No connect

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Altera ByteBlaster II Manual do Utilizador Página 18