User's Manual
Table Of Contents
- Contents
- Table Index
- Figure Index
- 0. Revision history
- 1. Introduction
- 2. Product concept
- 3. Application interface
- 3.1. Pin of module
- 3.2. Operating modes
- 3.3. Power supply
- 3.4. Power on and down scenarios
- 3.5. Charge interface
- 3.6. Power saving
- 3.7. Summary of state transition
- 3.8. RTC backup
- 3.9. Serial interfaces
- 3.10. Audio interfaces
- 3.11. SIM card interface
- 3.12. SD card interface
- 3.13. PCM interface
- 3.14. ADC
- 3.15. Behaviors of the RI
- 3.16. Network status indication
- 3.17. Operating status indication
- 4. Antenna interface
- 5. Electrical, reliability and radio characteristics
- 6. Mechanical dimensions
- 7. Storage and manufacturing
- Appendix A: GPRS coding schemes
- Appendix B: GPRS multi-slot classes
M50 Hardware Design
M50_HD_V2.0 - 18 -
BB&RF
RF PAM
SAW
Filter
Serial
Flash
32KHz
26MHz
RF Transceiver
Audio
RTC
GPIO
Serial
Interface
Memory
Interface
PCM
Interface
SIM
Interface
SD
Interface
ADC
RF_ANT
VBAT
PWRKEY
EMERG_OFF
VRTC
ADC
STATUS&
NETLIGHT
UART
SIM
Interface
Audio
SD
Interface
PCM
Inteface
Reset
ESD
PMU
Charge
Interface
Charge
Figure 1: Module functional diagram
2.3. Evaluation board
In order to help customer to develop applications with M50 , Quectel supplies an evaluation board
(EVB), RS-232 to USB cable, power adapter, earphone, antenna and other peripherals to control
or test the module. For details, please refer to the document [12].
Quecctel
Confidential