User's Manual

A7608SA-H_User Manual_V1.00
2022-08-26
Smart Machine Smart Decision
5 Electrical Specifications
5.1 Absolute maximum ratings
Absolute maximum rating for digital and analog pins of A7608SA-H are listed in the following
table:
Table 28: Absolute maximum ratings
Parameter
Min.
Typ.
Max.
Unit
Voltage at VBAT
-0.5
-
6.0
V
Voltage at USB_VBUS
-0.5
-
5.85
V
Voltage at digital pins
(RESET,SPI,Keypad,GPIO,I2C,UART,PCM)
-0.3
-
2.1
V
Voltage at digital pins (SD,USIM)
-0.3
-
3.05
V
Voltage at PWRKEY
-0.3
-
1.8
5.2 Operating conditions
Table29: Recommended operatingratings
Parameter
Min.
Typ.
Max.
Unit
Voltage at VBAT
3.4
3.8
4.2
V
Voltage at USB_VBUS
3.0
5.0
5.25
V
Table 30: 1.8V Digital I/O characteristics*
Parameter
Description
Min.
Typ.
Max.
Unit
V
IH
High-level input voltage
1.17
1.8
2.1
V
V
IL
Low-level input voltage
-0.3
0
0.63
V