Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 45 / 106
100K
10K
10K
PON_TRIG
PON_TRIG_EXT
VDD_1V8
100K
Figure 13: Reference Circuit of PON_TRIG
VDD_1V8 is provided by an external LDO.
3.9. (U)SIM Interface
BG95 supports 1.8 V (U)SIM card only. The (U)SIM interface circuitry meets ETSI and IMT-2000
requirements.
Table 11: Pin Definition of (U)SIM Interface
Pin Name Pin No. I/O Description Comment
USIM_DET 42 DI (U)SIM card hot-plug detection 1.8 V power domain.
USIM_VDD 43 PO (U)SIM card power supply
Only 1.8 V (U)SIM card is
supported.
USIM_RST 44 DO (U)SIM card reset 1.8 V power domain.
USIM_DATA 45 IO (U)SIM card data 1.8 V power domain.
USIM_CLK 46 DO (U)SIM card clock 1.8 V power domain.
USIM_GND 47 (U)SIM card ground
NOTE