Module Reset; General Purpose Input & Output (Gpio) - SimCom SIM5218E Hardware Design

SIM5218E Hardware Design
Table 21: USB PIN connect
Name PIN( B to B)
USB_VBUS 9
USB_DP 60
USB_DM 59
GND 58
Currently SIM5218E supports the USB suspend & resume mechanism which can help to save
much current. If no transaction on USB bus then SIM5218E will enter to suspend mode and when
some events happened (such as incoming call or SMS received) during the suspend mode then
SIM5218E will resume automatically.
Notes: when use the Mini-B it has no ID line.
：
Notes Two limitations on ESD protection: less than 4 pF and VBUS not to rail.

3.12 Module Reset

SIM5218E also have a RESET pin (PIN29) input, When should reset the module, one can push
the RESET pin to low and the module reset.
3.13 General purpose input & output (GPIO)
SIM5218E provides a limited number of General Purpose Input/Output signal pin. Please check
the following table:
SIM5218E_HD_V1.03
Input voltage scope( V )
Min
4.4
Figure 22: USB interface
41
Type Max
5.0 5.25
11.06.2009