APM32E103CEU6-R datasheet(3/79 Pages) GEEHY

3 / 79 page

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Catalog

Product characteristics..............................................................................................1

Product information ...................................................................................................6

Pin information ...........................................................................................................7

3.1.

Pin distribution ................................................................................................................................... 7

3.2.

Pin function description ................................................................................................................... 10

Functional description .............................................................................................20

4.1.

System architecture......................................................................................................................... 21

4.1.1. System block diagram .............................................................................................................................21

4.1.2. Address mapping.....................................................................................................................................22

4.1.3. Startup configuration ...............................................................................................................................24

4.2.

Core ................................................................................................................................................. 24

4.3.

Interrupt controller............................................................................................................................ 24

4.3.1. Nested Vector Interrupt Controller (NVIC)...............................................................................................24

4.3.2. External Interrupt/Event Controller (EINT) ..............................................................................................24

4.4.

On-chip memory .............................................................................................................................. 24

4.4.1. External Memory Controller（EMMC） ..................................................................................................25

4.4.2. LCD parallel interface ..............................................................................................................................25

4.5.

Clock ................................................................................................................................................ 25

4.5.1. Clock source ............................................................................................................................................26

4.5.2. System clock ...........................................................................................................................................26

4.5.3. Bus clock .................................................................................................................................................27

4.6.

Power supply and power management........................................................................................... 27

4.6.1. Power supply scheme .............................................................................................................................27

4.6.2. Voltage regulator .....................................................................................................................................27

4.6.3. Power supply voltage monitor .................................................................................................................27

4.7.

Low-power mode ............................................................................................................................. 27

4.8.

DMA ................................................................................................................................................. 28

4.9.

GPIO ................................................................................................................................................ 28

4.10. Communication peripherals............................................................................................................. 28

4.10.1.USART/UART..........................................................................................................................................28

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