JTAG

6 pin header left of LCD, pull-up/down checked by unimer

1 3V
2 TMS pull-up
3 TDI pull-up
4 GND
5 TDO pull-down?
6 TCK pull-up

pull-up/down pins

pull-up: TDO TMS TDI
pull-down: TCK

urjtag

pi@raspberrypi ~ $ sudo dpkg -i urjtag_0.10-gpio-1_armhf.deb

pi@raspberrypi ~ $ sudo jtag
jtag> cable gpio tms=8 tdi=10 tdo=9 tck=11
Initializing GPIO JTAG Chain
jtag> detect
IR length: 10
Chain length: 1
Device Id: 00010111000001100100000011011101 (0x170640DD)
  Manufacturer: Altera (0x0DD)
  Part(0):      EPM3064A (0x7064)
  Stepping:     1
  Filename:     /usr/local/share/urjtag/altera/epm3064a/epm3064a

jtag> print chain
 No. Manufacturer              Part                 Stepping Instruction          Register
---------------------------------------------------------------------------------------------
*  0 Altera                    EPM3064A             1        BYPASS               BYPASS

jtag> include /usr/local/share/urjtag/altera/epm3064a/t100

jtag> instruction SAMPLE/PRELOAD
jtag> shift ir
jtag> shift dr
jtag> get signal IO2
jtag> get signal IN88