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
- 3.2. Operating modes
- 3.3. Power supply
- 3.4. Power on and down scenarios
- 3.5. Power saving
- 3.6. Summary of state transitions
- 3.7. RTC backup
- 3.8. Serial interfaces
- 3.9. Audio interfaces
- 3.10. SIM card interface
- 3.12. Behaviors of the RI
- 3.13. Network status indication
- 3.14. 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
M95 Hardware Design
M95_HD_V1.0 - 38 -
RTC
Core
1.5K
MODULE
VRTC
Non-chargeable
Backup Battery
Figure 14: RTC supply from non-chargeable battery
RTC
Core
1.5K
MODULE
VRTC
Rechargeable
Backup Battery
Figure 15: RTC supply from rechargeable battery
RTC
Core
1.5K
MODULE
VRTC
Large-capacitance
Capacitor
Figure 16: RTC supply from capacitor
Coin-type rechargeable capacitor such as XH414H-IV01E from Seiko can be used.