13
ATZB-EVB-XXX-XXX User Manual
AVR-09-2011
NOTE:
JTAG connector pinout is compatible with ATmega JTAGICE mkII in-
circuit emulator connector.
Table 4.
J1
jumper settings: current measurement
Jumper
position
Description
J1
is
mounted
This position is used for normal operation.
J1
is open
In this position, the ZigBit module is not powered while
remaining parts of the board are powered. This position is
used to measure current consumption of the ZigBit module
(see Section 3.8). 4.8
Table 5.
J2
jumper settings: ZigBit power source
Jumper position
Description
J2 bridges
POWER
pin and
BAT
pin
ZigBit is powered by primary source (battery, USB or
AC/DC adapter).
J2 bridges
POWER
pin and
DC/DC
pin
ZigBit is powered by 3.6 V internal voltage regulator.
Table 6.
J3
jumper settings: Serial/USB selection
Jumper position
Description
J3
bridges central pin
and
RS-232
pin
The board will use serial port (available in the Expansion
slot) for connection to the host.
J3
bridges central pin
and
USB
pin
The board will use USB for connection to the host.
IMPORTANT NOTES:
Any other position of jumpers
J2 and J3
or their omission may
cause permanent damage of the hardware.
Powering the board without
J1
jumper and ammeter connection
between clamps
CM+
and
CM-
may cause a permanent damage of the
hardware.
When making connection to the PC’s serial port through the Expansion slot consider
the pinout as indicated below in Table .