Specifications

LEON-G100/G200 - System Integration Manual
GSM.G1-HW-09002-C Preliminary System description
Page 12 of 75
1.3 Pin-out
Table 1 describes the pin-out of LEON-G100/G200 modules, with pins grouped by function.
Function
Pin
No
I/O
Description
Remarks
Power
VCC
50
I
Module Supply
Clean and stable supply is required: low ripple and
low voltage drop must be guaranteed.
Voltage provided has to be always above the
minimum limit of the operating range.
Consider that there are large current spike in
connected mode, when a GSM call is enabled.
See section 1.5.2
GND
1, 3, 6,
7, 8, 17,
25, 36,
45, 46,
48, 49
N/A
Ground
GND pins are internally connected but good (low
impedance) external ground can improve RF
performances.
V_BCKP
2
I/O
Real Time Clock supply
V_BCKP = 2.0 V (typical) generated by the module
to supply Real Time Clock when VCC supply
voltage is within valid operating range.
See section 1.5.4
VSIM
35
O
SIM supply
SIM supply automatically generated by the
module.
See section 1.10
V_CHARGE -
(LEON-G200)
4
I
Charger voltage supply
input
V_CHARGE and CHARGE_SENSE must be
externally connected.
The external supply used as charging source must
be voltage and current limited.
See section 1.5.3
CHARGE_SENSE
(LEON-G200)
5
I
Charger voltage
measurement input
V_CHARGE and CHARGE_SENSE must be
externally connected.
The external supply used as charging source must
be voltage and current limited.
See section 1.5.3
RF
ANT
47
I/O
RF antenna
50 nominal impedance.
See section 1.8
Audio
HS_DET
18
I
Headset detection input
See section 1.9.1.3
I2S_WA
(LEON-G200)
26
O
I2S word alignment
I2S Interface: see section 1.9.2. Check device
specifications to ensure compatibility of supported
modes to LEON-G100/G200 module. Add a test
point to provide access to the pin for debugging.
I2S_TXD
(LEON-G200)
27
O
I2S transmit data
I2S Interface: see section 1.9.2. Check device
specifications to ensure compatibility of supported
modes to LEON/G200 module. Add a test point to
provide access to the pin for debugging.
I2S_CLK
(LEON-G200)
28
O
I2S clock
I2S Interface: see section 1.9.2. Check device
specifications to ensure compatibility of supported
modes to LEON/G200 module. Add a test point to
provide access to the pin for debugging.
I2S_RXD
(LEON-G200)
29
I
I2S receive data
I2S Interface: see section 1.9.2. Check device
specifications to ensure compatibility of supported
modes to LEON/G200 module. Add a test point to
provide access to the pin for debugging.
HS_P
37
O
Low power single-ended
analog audio output
Audio output used in handset or in headset mode.
Audio pin: see section 1.9.1
SPK_P
38
O
High power differential
analog audio output
Audio output used in ring tones or in hands free
mode. Audio pin: see section 1.9.1
SPK_N
39
O
High power differential
analog audio output
Used in ring tones or in hands free mode. Audio
pin: see section 1.9.1
MIC_BIAS2
41
I
Second microphone
analog bias
Single ended supply output and signal input for
the second microphone. Used in headset mode.