Functional Diagram - Quectel UC20 Manual

2.4. Functional Diagram

The following figure shows a block diagram of UC20 and illustrates the major functional parts.
 Power management
 Baseband
 DDR+NAND flash
 Radio frequency
 Peripheral interface
--UART interface
--USIM card interface
--USB interface
--PCM interface
--ADC interface
--Status indication
--Control interface
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