Smart Machine Smart Decision
SIM7600V-H_User Manual_V1.00 2018-02-24
Table 18: Pin multiplex function list
Note
：
For more details of AT commands about GPIO multiplex function,please refer to
document [1].
3.11.1 Sink Current Source
The ISINK pin is VBATtolerant and intended to drive some passive devices such as LCD backlight,
white LED, etc. Its output current can be up to 40 mA and be set by the AT command “AT+
CLEDITST”.
Table 19: Sink current electronic characteristic
ISINK is a ground-referenced current sink. The following figure shows its reference circuit.
Figure 26: ISINK reference circuit
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