Distributor of Equinox Technologies: Excellent Integrated System Limited
Datasheet of ISPNANO S3 KIT - ISP PORTABLE PROGRAMMER
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ISPnano Series Programmer - User Manual – V1.11 – 12
th
May 2011
59
4.3 ISPnano - Power Supply schematic diagram
The diagram below shows an overview of the power supply routing of the ISPnano programmer.
The function of each signal is described in the table below.
Signal
name
Function
Voltage
range
(V DC)
Connector
Description
DC IN
DC Power Input
9.0 – 24.0V
DC-IN – pin 2
Power supply input for
programmer
EXT-VCC-IN
External Switched
DC Power Input
1.8 – 24.0V
EXT-VCC-IN – pin 2
‘EXTERNAL VCC’
power supply input
EXT-VCC-OUT
Switched output
of
‘External VCC’
supply
1.8 – 24.0V
‘Target ISP Port’
- pins 3+4
Switched output of
‘EXTERNAL VCC’
supply
TVCC
Target Vcc
Supply /
measurement
1.2 – 5.0 V
‘Target ISP Port’
- pins 1+2
Powers Target System
or
Measures Target Vcc
SIGNAL_
GROUND
0V Signal
GROUND
0V
‘Target ISP Port’
- pins 5+6
Signal GROUND
between programmer
and Target System.
The
‘Target ISP Port’
is the 16-way IDC connector on the ISPnano programmer – see appendix 2.
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