Technical data

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Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son autorisation préalable
The application must have the capability to set this signal active high.
The signal is not needed to perform normal SW-updating through
“Updater”, but it is needed to support special service tools from
Wavecom.
CAUTION
The SW updating tool for GR64 is “Updater”.
The Updater is a local application that downloads a signed image
provided by Wavecom.
It is not necessary to set SERV active to run “Updater”.
NOTE
4.14 Buzzer
Pin Name Direction Function
31 BUZZER Output Buzzer Output
Connecting the BUZZER signal to an inverting transistor-buffer followed by a
piezoelectric transducer enables the Wireless CPU® to play pre-programmed melodies
or sounds. A recommended implementation is shown below.
Figure 25: Recommended circuit for a Buzzer implementation
GR64 Integrators’ Manual
Page: 71/106