Product Info
LPWA Module Series
BG95-M3 Mini PCIe Hardware Design
BG95-M3_Mini_PCIe_Hardware_Design 18 / 53
1.
1)
PCM and I2C interfaces support VoLTE and GSM CS voice only.
2. The module can be reset by driving PERST# low for 2–3.8 s.
3. Keep all reserved and unused pins unconnected.
3.1. Operating Modes
The following table briefly outlines the operating modes to be mentioned in the following chapters.
44 LED_WLAN# USIM_DET DI
(U)SIM card insertion
detection
45 RESERVED PCM_CLK
1)
DO PCM clock signal
1.8 V power
domain.
For VoLTE and
GSM CS voice
only.
46 LED_WPAN# RESERVED Reserved
47 RESERVED PCM_DOUT
1)
DO PCM data output
1.8 V power
domain.
For VoLTE and
GSM CS voice
only.
48 1.5V RESERVED Reserved
49 RESERVED PCM_DIN
1)
DI PCM data input
1.8 V power
domain.
For VoLTE and
GSM CS voice
only.
50 GND GND Mini card ground
51 RESERVED PCM_SYNC
1)
DO
PCM frame
synchronization
1.8 V power
domain.
For VoLTE and
GSM CS voice
only.
52 3.3 Vaux VCC_3V3 PI 3.3 V DC supply
NOTES










