57
CHAPTER 8
Handshake control
8.2 Handshake control
The Flasher ATE can be remote-controlled by automated testers without the need of a
connection to a PC. Therefore the Flasher ATE is equipped with additional hardware control
functions, which are connected to the SUBD9 male connector, normally used as RS232
interface to PC.
The following diagrams show the internal remote control circuitry of Flasher:
Pin No.
Function
Description
1
START
A positive pulse of any voltage between 5 and 30V
with duration of min. 30 ms starts “Auto” function
(Clear / Program / Verify) on falling edge of pulse.
The behavior of the “Auto” function depends on the
project settings, chosen in J-Flash at the
Produc-
tion
tab.
4
BUSY
As soon as the “Auto” function is started, BUSY
becomes active, which means that transistor is
switched OFF.
5
GND
Common Signal ground.
7
OK
This output reflects result of last action. It is valid
after BUSY turned back to passive state. The output
transistor is switched ON to reflect OK state.
Note
As the Flasher ATE is a modular system, using the handshake remote control START
always triggers the “Auto” function of every connected module. The BUSY line is sig-
naled as long as any module is still busy and the OK line only reports “OK” in case
of every module has successfully completed the operation. We recommend using the
Flasher ATE User Guide (UM08035)
© 2017-2018 SEGGER Microcontroller GmbH
Содержание Flasher ATE
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