Pin No |
Pin Name |
Programmer Input/Output |
Description |
1 |
VTref |
I |
Target System Reference Voltage
This pin is used by the programmer to sense / power the programmer Line Driver circuitry |
2 |
Vsupply |
N/C |
Not used by Equinox Programmers |
3 |
nTRST |
O |
No connect to Equinox Programmer
This signal is not used by Equinox Programmers.
It is pulled high with a 47k ohm resistor on the programmer cable / connector module |
4 |
PROG_GND |
P |
Ground Connection
Common ground connection between programmer and Target System |
5 |
PROG_TDI |
O |
JTAG TDI – Test Data Input pin
Data signal from programmer to Target Device JTAG port |
6 |
PROG_GND |
P |
Ground Connection
Common ground connection between programmer and Target System |
7 |
PROG_TMS |
O |
JTAG TMS – Test Mode Select pin
Mode Select Signal from programmer to Target Device JTAG port |
8 |
PROG_GND |
P |
Ground Connection
Common ground connection between programmer and Target System |
9 |
PROG_TCK |
O |
JTAG TCK – Test Clock Signal pin
Clock signal from programmer to Target Device JTAG port |
10 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System |
11 |
RTCK |
N/C |
Input Return Test Clock signal from Target System
This signal is not used by Equinox programmers. |
12 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System. |
13 |
PROG_TDO |
I |
JTAG TDO – Test Data Output pin
JTAG data output from Target device JTAG port to programmer. Typically connected to TDO pin on AT91SAM7 device |
14 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System. |
15 |
PROG_RESET |
O |
Microcontroller RESET control signal
This pin connects to the main RESET pin of the Target AT91SAM7 microcontroller or to the AT91SAM7 RESET circuit on the Target System |
16 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System |
17 |
N/C |
N/C |
No connect to Equinox Programmer |
18 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System |
19 |
N/C |
N/C |
No connect to Equinox Programmer |
20 |
PROG_GND |
P |
Ground Connection
Common ground connection between Programmer and Target System |