User's Manual

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1. CPU clock speed is 64MHz, set external as idle status, supply voltage is 3.3V
Chapter 3 Hardware Layout and Interface
Description
3.1 Dimensions
When this product is designed, the tantalum capacitors and PCBs have optional material
models. On the premise that the performance requirements are met, the appearance color
may be different, and the actual product shall prevail. The main materials (main chips,
crystal oscillators, etc.) do not have any substitutional models. Any change will be notified
in advance.
Fig. 3-1 The dimensions of the module E92
*The dimensional tolerance which is not marked in the figure is subject to the standard GB/T1804-m.
3.2 Interface Description
Table 3-1 Functional Description of Pins of E92 Series of Module
Module
Pin
Chip Pin
Remarks
1
P0.27
Digital I/O pin
2
GND
PWR GND
3
P0.28/AIN4
Digital I/O pin; analog I/O pin
4
P0.29/AIN5
Digital I/O pin; analog I/O pin
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