Shanghai SIMCom Wireless Solutions Limited SIM7000A ユーザーズマニュアル

Smart Machine Smart Decision

SIM7000 _Hardware Design _V1.00

2017-05-23

following figure.

Figure 26: NETLIGHT reference circuit

Note: The value of the resistor named “R” depends on the LED characteristic.

Table 16: NETLIGHT pin status

NETLIGHT pin status

Module status

64ms ON, 800ms OFF

No registered network

64ms ON, 3000ms OFF

Registered network

64ms ON, 300ms OFF

Data transmit

OFF

Power off or PSM mode

Note: NETLIGHT output low level as “OFF”, and high level as “ON”.

3.9 Other interface

3.9.1

ADC

SIM7000 has a dedicated ADC pin. It is available for digitizing analog signals such as battery
voltage and so on. The electronic specifications are shown in the following table.

Table 17: ADC electronic characteristics

Characteristics

Min.

Typ.

Max.

Unit

Resolution

–

Bits

Conversion time

–

442

–