Equinox Systems PPM3 Reference Manual page 27

Distributor of Equinox Technologies: Excellent Integrated System Limited
Datasheet of EQ-IOCON-3 - MOD PPM3 CONN-3 I/O ATMEGA JTAG
Contact us: sales@integrated-circuit.com Website: www.integrated-circuit.com
7 PROG_VCC
8 N/C
9 PROG_TDI
10 PROG_GND
Key
O - Output from programmer to Target Device
I - Input to programmer from Target Device
P - Passive eg. GROUND and power rails
N/C - Not connected
P TARGET_VCC Target Vcc Connection
O N/C
O TDI
P GROUND
- See pin 4
- Pins 4 + 7 are physically connected
inside the programmer.
Not Connected
JTAG TDI – Test Data Input pin
Data signal from programmer to Target
Device JTAG port.
Ground Connection
Common ground connection between
PROGRAMMER and Target System.