Application Circuit - Wiznet WizFi210 User Manual

(18) Application Circuit

Figure 7. V = Battery, Standby mode support
IN
Figure 8. V = DC Adaptor, Always active
IN
[GPIO29] is used for mode transition between data/command mode. And [GPIO21] is used
for factory default and <Limited AP Configuration Mode>self test. So, this should be
considered, except in special cases
In order to upgrade the firmware of the WizFi210, the hardware design to transit between
run mode and program mode is required as shown as above.
18
(WIZnet Co., Ltd.)
WizFi 210/220 User Manual