Product Info

5G Module Series
RM500Q-AE&RM502Q-AE Hardware Design
RM500Q-AE&RM502Q-AE_Hardware_Design 5 / 83
Contents
About the Document ................................................................................................................................... 4
Contents ....................................................................................................................................................... 5
Table Index ................................................................................................................................................... 7
Figure Index ............................................................................................................................................. 810
1 Introduction .................................................................................................................................... 1012
1.1. Safety Information ................................................................................................................. 1113
2 Product Concept ............................................................................................................................ 1214
2.1. General Description .............................................................................................................. 1214
2.2. Key Features ......................................................................................................................... 1315
2.3. Functional Diagram ............................................................................................................... 1517
2.4. Evaluation Board ................................................................................................................... 1618
3 Application Interfaces ................................................................................................................... 1719
3.1. Pin Assignment ..................................................................................................................... 1820
3.2. Pin Description ...................................................................................................................... 1921
3.3. Operating Modes ................................................................................................................... 2326
3.4. Power Supply ........................................................................................................................ 2326
3.4.1. Decrease Voltage Drop .............................................................................................. 2427
3.4.2. Reference Design for Power Supply .......................................................................... 2528
3.5. Turn on and off Scenarios ..................................................................................................... 2629
3.5.1. Turn on the Module .................................................................................................... 2629
3.5.2. Turn off the Module .................................................................................................... 2730
3.5.2.1. Turn off the Module through FULL_CARD_POWER_OFF# .......................... 2730
3.5.2.2. Turn off the Module through AT Command .................................................... 2831
3.6. Reset the Module .................................................................................................................. 2932
3.7. (U)SIM Interface .................................................................................................................... 3134
3.8. USB Interface ........................................................................................................................ 3336
3.9. PCIe Interface ....................................................................................................................... 3639
3.9.1. PCIe Operating Mode ................................................................................................ 3639
3.9.2. USB and PCIe Modes ................................................................................................ 3942
3.10. PCM Interface* ...................................................................................................................... 4043
3.11. Control and Indication Interfaces .......................................................................................... 4245
3.11.1. W_DISABLE1#* ......................................................................................................... 4245
3.11.2. W_DISABLE2#* ......................................................................................................... 4346
3.11.3. WWAN_LED#* ........................................................................................................... 4447
3.11.4. WAKE_ON_WAN#* ................................................................................................... 4548
3.11.5. DPR* .......................................................................................................................... 4548
3.11.6. STATUS* .................................................................................................................... 4649
3.12. Cellular/WLAN Interface* ...................................................................................................... 4649
3.13. Antenna Tuner Control Interface* ......................................................................................... 4750
3.14. Configuration Pins ................................................................................................................. 4750