Altera USB-Blaster II - Manual (Page 13)

Chapter 2: USB-Blaster II Download Cable Specifications 2–3
10-Pin Female Plug Signal Names and Programming Modes
October 2014 Altera Corporation USB-Blaster II Download Cable
User Guide
10-Pin Female Plug Signal Names and Programming Modes
Circuit Board Header Connection
The 10-pin male header, which connects to the download cable's 10-pin female plug,
has two rows of five pins. The pins are connected to the device’s programming or
configuration pins.
c If the header connection on the circuit board is a male receptacle, it must have a key
notch. Without a key notch, the 10-pin female plug will not connect. The following
figure shows a typical 10-pin male header with a key notch.
Table 2–2. 10-Pin II Female Plug Signal Names and Programming Modes
Pin
Active Serial (AS) Mode Passive Serial (PS) Mode JTAG Mode
Signal Name Description Signal Name Description Signal Name Description
1 DCLK Clock signal DCLK Clock signal TCK Clock signal
2 GND Signal ground GND Signal ground GND Signal ground
3 CONF_DONE Configuration done CONF_DONE Configuration done TDO Data from device
4 VCC(TRGT) Target power supply VCC(TRGT) Target power
supply
VCC(TRGT) Target power supply
5 nCONFIG Configuration
control
nCONFIG Configuration
control
TMS JTAG state machine
control
6 nCE Cyclone chip enable — No connect PROC_RST (1) Hard processor reset
7 DATAOUT Active serial data
out
nSTATUS Configuration
status
— No connect
8 nCS Serial configuration
device chip select
— No connect — No connect
9 ASDI Active serial data in DATA0 Data to device TDI Data to device
10 GND Signal ground GND Signal ground GND Signal ground
Note to Table 2–2 :
(1) Use pin 6 for a hard processor reset under JTAG mode.
Figure 2–4. 10-Pin Male Header Dimensions - Inches and Millimeters
0.025 (0.635) Sq.
0.235 (5.969)
0.100
Side View
0.100 (2.540)
Top View
A key notch is required.