Telit Wireless Solutions GE863-QUAD - Manual (Page 14)

GE863-QUAD
GE863-PY
1vv0300715 Rev. 1 - 19/09/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 14 of 79
NOTE: don't use any pull up resistor on the RESET# line nor any totem pole digital output.
Using pull up resistor may bring to latch up problems on the GE863-QUAD/PY power
regulator and improper functioning of the module. The line RESET# must be connected
only in open collector configuration.
TIP: The unconditional hardware reboot should be always implemented on the boards and
software should use it as an emergency exit procedure.
For example:
1- Let's assume you need to drive the RESET# pad with a totem pole output of a +3/5 V
microcontroller (uP_OUT2):