Datasheet

13
32072SH–AVR32–10/2012
AT32UC3A3
3.2.4 JTAG port connections
3.2.5 Nexus OCD AUX port connections
If the OCD trace system is enabled, the trace system will take control over a number of pins, irre-
spective of the GPIO configuration. Three differents OCD trace pin mappings are possible,
depending on the configuration of the OCD AXS register. For details, see the AVR32 UC Tech-
nical Reference Manual.
Table 3-4. JTAG Pinout
TFBGA144 QFP144 VFBGA100 Pin name JTAG pin
K12 107 K9 TCK TCK
L12 108 K8 TDI TDI
J11 105 J8 TDO TDO
J10 104 H7 TMS TMS
Table 3-5. Nexus OCD AUX port connections
Pin AXS=0 AXS=1 AXS=2
EVTI_N PB05 PA08 PX00
MDO[5] PA00 PX56 PX06
MDO[4] PA01 PX57 PX05
MDO[3] PA03 PX58 PX04
MDO[2] PA16 PA24 PX03
MDO[1] PA13 PA23 PX02
MDO[0] PA12 PA22 PX01
MSEO[1] PA10 PA07 PX08
MSEO[0] PA11 PX55 PX07
MCKO PB07 PX00 PB09
EVTO_N PB06 PB06 PB06