User's Manual

Smart Machine Smart Decision

SIM5360A_User_Manual_V1.03 2014-07-03

Figure 15: Power off timing sequence

Table 7: Power off timing

Symbol Parameter

Time value

Min. Typ. Max. Unit

Toff The time pulling POWERKEY down to power off 0.5 - 5 s

TpD- The time to indicate disconnecting from the network - - 2 s

Tpw- The time to indicate the module power off completely - - 2 s

Tuart The time to disable UART - - 3 s

Tusb The time to disable USB - - 2 s

Trestart The time to power on again after Tpw- 0 - - s

User can also use the AT command

“AT+ CP OF ” to power down the module. After that, the AT commands

cannot be executed any longer. The module enters the POWER DOWN mode, only the RTC is still active.

For details, refer to Document [1].

3.3 UART Interface

SIM5360A provides two UARTs (universal asynchronous serial transmission) port. UART1 consists of a

flexible 7-wire serial interface. UART2 consists of 2-wire serial interface. The module is as the DCE (Data