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4
Application Interfaces
The physical connections and signal levels of RM510Q-GL comply with PCI Express M.2 specification.
This chapter mainly describes the definition and application of the following interfaces/pins of the module:
⚫
(U)SIM interfaces
⚫
USB interface
⚫
PCIe interface
⚫
PCM interface
⚫
Control and indication interfaces
⚫
Cellular/WLAN COEX interface*
⚫
Antenna tuner control interface*
⚫
Configuration pins
4.1. (U)SIM Interface
The (U)SIM interface circuitry meets ETSI and IMT-2000 requirements. Both Class B (3.0 V) and Class C
(1.8 V) (U)SIM cards are supported. RM510Q-GL only supports single (U)SIM slot.
4.1.1. Pin Definition of (U)SIM
Table 14: Pin Definition of (U)SIM Interface
Pin
Pin Name
No.
36
USIM1_VDD
34
USIM1_DATA
32
USIM1_CLK
30
USIM1_RST
66
USIM1_DET
RM510Q-GL_Hardware_Design
I/O
Description
PO
Power supply for (U)SIM1 card
DIO, PU
(U)SIM1 card data
DO, PD
(U)SIM1 card clock
DO, PD
(U)SIM1 card reset
DI, PU
(U)SIM1 card hot-plug detect
5G Module Series
RM510Q-GL Hardware Design
DC Characteristics
1.8/3.0 V
USIM_VDD
1.8/3.0 V
USIM_VDD
1.8/3.0 V
USIM_VDD
1.8/3.0 V
1.8 V
36 / 88
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