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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.
- LEON-G100/G200 1
- Page 2 2
- Preface 3
- Page 4 of 75 4
- Contents 5
- Page 6 of 75 6
- Page 7 of 75 7
- 1 System description 8
- 1.2 Architecture 9
- 1.2.1 Functional blocks 10
- Page 11 of 75 11
- 1.3 Pin-out 12
- 1.4 Operating Modes 14
- 1.5.2 Voltage supply (VCC) 17
- 500 mAh … 1100 mAh 22
- Page 23 of 75 23
- Page 25 of 75 25
- 1.6 System functions 26
- Page 27 of 75 27
- 1.6.2 Module power off 28
- 1.6.3 Module reset 29
- 1.7 RF connection 31
- 1.8 Antenna supervisor 31
- 1.9 Audio 31
- Page 32 of 75 32
- Page 34 of 75 34
- Page 38 of 75 38
- Page 40 of 75 40
- 1.10 SIM interface 41
- 1.11 Serial Communication 42
- Page 43 of 75 43
- Page 44 of 75 44
- Page 45 of 75 45
- Page 46 of 75 46
- 1.11.2 DDC (I 47
- C) interface 47
- Page 48 of 75 48
- Page 49 of 75 49
- 1.14 Approvals 50
- 2 Design-In 51
- Pinout_Layout_R1.1(ppt) 52
- Page 54 of 75 54
- Page 55 of 75 55
- Page 56 of 75 56
- Page 57 of 75 57
- Page 58 of 75 58
- 2.4 Antenna guidelines 60
- 2.4.1 Antenna termination 61
- 2.4.2 Antenna radiation 62
- LEON-G100 64
- LEON-G200 64
- 3 Handling and soldering 65
- 3.2.3 Optical inspection 66
- 3.2.4 Cleaning 66
- Page 67 of 75 67
- 4 Product Testing 68
- Appendix 69
- A Extra Features 69
- A.5 HTTP 70
- A.6 SMTP 70
- A.7 FOTA (LEON-G200 only) 70
- A.8 GPS 70
- B Glossary 71
- Page 72 of 75 72
- Related documents 73
- Revision history 74
- Contact 75
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