Product Info

LPWA Module Series
BG600L-M3 Hardware Design
BG600L-M3_Hardware_Design 39 / 83
100K
10K
10K
PON_TRIG
PON_TRIG_EXT
VDD_1V8
100K
Figure 13: Reference Design of PON_TRIG
VDD_1V8 is provided by an external LDO.
2.9 (U)SIM Interface
BG600L-M3 supports 1.8 V (U)SIM card only. The (U)SIM interface circuitry meets ETSI and IMT-2000
requirements.
Table 10: Pin Definition of (U)SIM Interface
BG600L-M3 supports (U)SIM card hot-plug via the USIM_DET pin, and both high and low level detections
are supported. The function is disabled by default, and please refer to AT+QSIMDET command in
document [2] for more details.
Pin Name Pin No. I/O Description Comment
USIM_DET* 26 DI (U)SIM card hot-plug detect 1.8 V power domain.
USIM_VDD 18 PO (U)SIM card power supply
Only 1.8 V (U)SIM card is
supported.
USIM_RST 20 DO (U)SIM card reset 1.8 V power domain.
USIM_DATA 21 IO (U)SIM card data 1.8 V power domain.
USIM_CLK 19 DO (U)SIM card clock 1.8 V power domain.
NOTE