Specifications

SIM7912&SIM7906 Hardware Design V1.02
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5 Electrical Specifications
5.1 Absolute Maximum Ratings
Absolute maximum rating for digital and analog pins of module are listed in the following table:
Table 42: Absolute maximum ratings
Parameter
Min.
Typ.
Max.
Unit
Voltage at VBAT
1
pins
-
-
4.7
V
Voltage at USB_VBUS
-
-
5.5
V
Voltage at PWRKEY
-
-
2.1
V
Voltage at RESIN_N
-
-
1.9
V
Voltage at digital pins (GPIO, I2C, UART, I2S)
-
-
2.1
V
Voltage at digital pins SIM
-
-
3.05
V
1. The VBAT include VBAT_BB and VBAT_RF pins.
5.2 Operating Conditions
Table 43: VBAT recommended operating ratings
Parameter
Min.
Typ.
Max.
Unit
Voltage at VBAT
1
pins
3.3
3.8
4.3
V
USB_VBUS
3.3
5.0
5.25
V
1. The VBAT include VBAT_BB and VBAT_RF pins.
NOTE
NOTE