Product Info

5G Module Series
RM505Q-AE Hardware Design
RM505Q-AE_Hardware_Design 4 / 79
Contents
About the Document ................................................................................................................................... 3
Contents ....................................................................................................................................................... 4
Table Index ................................................................................................................................................... 6
Figure Index ................................................................................................................................................. 7
1 Introduction .......................................................................................................................................... 9
1.1. Safety Information ..................................................................................................................... 10
2 Product Concept ................................................................................................................................ 11
2.1. General Description .................................................................................................................. 11
2.2. Key Features ............................................................................................................................. 12
2.3. Functional Diagram ................................................................................................................... 15
2.4. Evaluation Board ....................................................................................................................... 15
3 Application Interfaces ....................................................................................................................... 16
3.1. Pin Assignment ......................................................................................................................... 17
3.2. Pin Description .......................................................................................................................... 18
3.3. Operating Modes ....................................................................................................................... 22
3.4. Power Supply ............................................................................................................................ 23
3.4.1. Decrease Voltage Drop .................................................................................................. 23
3.4.2. Reference Design for Power Supply .............................................................................. 24
3.5. Turn on and off Scenarios ......................................................................................................... 25
3.5.1. Turn on the Module ........................................................................................................ 25
3.5.2. Turn off the Module ........................................................................................................ 26
3.5.2.1. Turn off the Module through FULL_CARD_POWER_OFF# .............................. 26
3.5.2.2. Turn off the Module through AT Command ........................................................ 27
3.6. Reset the Module ...................................................................................................................... 27
3.7. (U)SIM Interfaces ...................................................................................................................... 30
3.8. USB Interface ............................................................................................................................ 33
3.9. PCIe Interface ........................................................................................................................... 35
3.9.1. PCIe Operating Mode .................................................................................................... 35
3.9.2. USB and PCIe Modes .................................................................................................... 38
3.10. PCM Interface* .......................................................................................................................... 39
3.11. Control and Indication Interfaces .............................................................................................. 41
3.11.1. W_DISABLE1# ............................................................................................................... 41
3.11.2. W_DISABLE2# ............................................................................................................... 42
3.11.3. WWAN_LED#* ............................................................................................................... 43
3.11.4. WAKE_ON_WAN# ......................................................................................................... 44
3.11.5. DPR* .............................................................................................................................. 45
3.11.6. STATUS* ........................................................................................................................ 45
3.12. Cellular/WLAN Interface* .......................................................................................................... 45
3.13. Antenna Tuner Control Interface* ............................................................................................. 46
3.14. Configuration Pins ..................................................................................................................... 47