SAMA5D2 datasheet(40/74 Pages) ATMEL

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SAMA5D2 Xplained Ultra [USER GUIDE]

Atmel-44028C-ATARM-SAMA5D2-Xplained-Ultra-User Guide_13-Oct-16

5.4.12.2 Serial Console Port

The SAMA5D2-XULT board has a dedicated serial port for debugging, which is accessible through the 6-pin male

header J1. Various interfaces can be used as USB/Serial DBGU port bridge, such as FTDI TTL-232R USB to TTL

serial cable or basic breakout board for the RS232/USB converter.

Figure 5-39.

Debug Com Port for Console

A jumper (JP2) is available to disable the Debug communication interface.

R341 and R342 are optional (not implemented) resistors that can be used for power selection. Power can be

delivered either by the SAMA5D2-XULT board or by the debug interface tool. To avoid malfunction between the

debug interface (e.g., FTDI) and the on-board power system, ensure that the voltage level selected corresponds to

application requirements.

WARNING

With SAMA5D2-XULT (ES) ROM code, the default baud rate on the Serial Console

port is 57600.

DBGU_DIS

DBGU_RXD

DBGU_OE

DBGU_CTS

DBGU_TXD

DBGU_RXD

DBGU_RTS

DBGU_TXD

DBGU_OE

DBGU_CTS

DBGU_OE

DBGU_RTS

VSYS_5V

VDD_3V3

DBGU_UTXD1_PD3

[8,14]

DBGU_URXD1_PD2

[8,14]

C177

100nF

JPR2

Jumper

VCC

GND

U20

NL17SZ126DFT2G

C170

100nF

R336

DNP(0R)

R340

10K

R344

DNP(0R)

VCC

GND

U21

NL17SZ126DFT2G

TP27 SMD

JP2

Header 1X2

TP28 SMD

Header 1X6

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