User's Manual

User manual of 3G SEP EVDO module
Page 31
4.3 VSIM
Parameter Min. Typ. Max
.
Remarks
Output Voltage(V) 2.7 3 3.15 The appropriate output voltage is
auto detected and selected by
software.
1.65 1.80 1.95
Output Current (mA) - - 150
Line Regulation (mV/V) - - 50 IOUT = MAX
Power-up Setting Time (us)
from power down
- 10 -
4.4 DIGITAL INTERFACE
The digital interface has the following characteristics, which includes UART,
PCM/I2S,I2C, GPIOs, SPI and SDIO.
Parameter Min. Typ. Max. Remarks
Input Current-High(µA) -10 - 10
Input Current-Low(µA) -10 - 10
DC Output
Current-High(mA)
(1)
- - 10 Pin driving a "1" with output set at "0"
DC Output
Current-Low(mA)
(1)
-10 - - Pin driving a "0" with output set at "1"
Input Voltage-High(V) 1.7 2.0
Input Voltage-Low(V) -0.3 - 0.3
Output Voltage-High(V) 1.7 - 2.0
Output Voltage-Low(V) 0 - 0.3
(1)
The maximum current for one GPIO is 10mA.
4.5 RESET
The RESET signal has the following characteristics:
Parameter Min. Typ. Max
.