Product Info

LPWA Module Series
BG600L-M3 Hardware Design
BG600L-M3_Hardware_Design 23 / 83
pin open.
USB Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
USB_VBUS 32 AI
USB connection
detect
V
IH
max = 1.8 V
V
IH
min = 1.3 V
USB_DP 24 IO
USB differential
data (+)
Compliant with USB
2.0 standard
specification. Require
differential
impedance of 90 Ω.
USB_DM 25 IO
USB differential
data (-)
USBPHY_3P3 17 PI
Power supply for
USB PHY circuit
Vnorm = 3.3 V
USBPHY_3P3_
EN
8 DO
External LDO
enable control for
USB
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
(U)SIM Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
USIM_DET * 26 DI
(U)SIM card
hot-plug detect
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep this
pin
open.
USIM_VDD 18 PO
(U)SIM card power
supply
Vmax = 1.9 V
Vmin = 1.7 V
Only 1.8 V (U)SIM
card is supported.
USIM_RST 20 DO (U)SIM card reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
USIM_DATA 21 IO (U)SIM card data
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
USIM_CLK 19 DO (U)SIM card clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
Main UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
MAIN_DTR 37 DI
Main UART data
terminal ready
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
1.8 V power domain.
If unused, keep this
pin open.