Technical information

Controls and Indicators Interface
44 G30 - Module Hardware Description December 15, 2009
Controls and Indicators Interface
The G30 incorporates several interface signals for controlling and monitoring the module's
operation. The following paragraphs describes these signals and their operation.
Table 2-20 gives a description of the controls and indicators signals.
Table 2-20: Controls and Indicators
Pin #
(81 pin
LGA
interface)
Pin #
(70 pin
connector
interface)
G30
Signal Name
G30
I/O
Function Remarks
27 25 RESET_IN OC External reset input External reset signal
voltage domain.
-27VREF O Reference voltage supply
(Typ. 2.85V)
Max current source
30mA.
62 60 VRTC I/O Real Time Clock Supply
Output/Input
VRTC = 2.0 V (typical)
2mA
Connect a 47uF capacitor
to ground.
14 26 WKUPO I/O GPIO (M2M Zone only) Generic digital interfaces
voltage domain.
Output driver class F.
PU/PD class B.
O Wake-Up Out
25 16 WKUPI I/O Interrupt Generic digital interfaces
voltage domain.
Output driver class C.
PU/PD class B.
IWake-Up In
13 41 ANT_DET I/O GPIO (M2M Zone only) Generic digital interfaces
voltage domain.
Output driver class F.
PU/PD class B.
O Antenna Detect
16 49 GPRS I/O GPIO (M2M Zone only) Generic digital interfaces
voltage domain.
Output driver class F.
PU/PD class B.
OGPRS
80 28 GPIO1 I/O GPIO Generic digital interfaces
voltage domain.
Output driver class F.
PU/PD class B.
Value at reset: T.
81 30 GPIO2 I/O GPIO Generic digital interfaces
voltage domain.
Output driver class F.
PU/PD class B.
34 32 GPIO3/SDA I/O
I
2
C bus data line (M2M Zone
only)
I
2
C interface
voltage domain.
PU drain.
I/O GPIO