GD-Link Adapter User Guide
15
3.4.
Auto-load signal introduction
GD-Link provides some signals for the burning machine. The
diagram of GD-Link auto load signals
shows the definitions of the auto-load signals.
Figure 3-17. Schematic diagram of GD-Link auto load signals
All signals are active low.
When is programming, the BUSY signal is low (0V). The GOOD signal and NG signal are
high (3.3V).
When programming is successful, the GOOD signal is low (0V). The BUSY signal and NG
signal are high (3.3V).
When the programming fails, the NG signal is low (0V). The BUSY signal and GOOD signal
are high (3.3V).
The START signal is normally weakly pulled-up and remains high (3.3V). If the device is in
