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ESP-M1/M2 User Mannual
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2. Interface Definition
ESP-Mx module interface definition is shown as below
。
Fig. 2.1 ESP-M1 Pin Definition
Fig. 2.2 ESP-M2 Pin Definition
Working mode and pin function is shown in Table 2.1.
Table 2.1 Working mode
Mode
GPIO0 Level
GPIO2 Level
UART Download Mode
Low
High
Flash Boot Mode
High
High