STM32F048T6 datasheet(25/98 Pages) STMICROELECTRONICS

25 / 98 page

DocID026007 Rev 6

25/98

STM32F048C6 STM32F048G6 STM32F048T6

Functional overview

pull-up and also battery charging detection according to Battery Charging Specification

Revision 1.2. The USB interface implements a full-speed (12 Mbit/s) function interface with

added support for USB 2.0 Link Power Management. It has software-configurable endpoint

setting with packet memory up-to 1 KB and suspend/resume support. It requires a precise

48 MHz clock which can be generated from the internal main PLL (the clock source must

use an HSE crystal oscillator) or by the internal 48 MHz oscillator in automatic trimming

mode. The synchronization for this oscillator can be taken from the USB data stream itself

(SOF signalization) which allows crystal-less operation.

3.19

Clock recovery system (CRS)

The STM32F048x6 embeds a special block which allows automatic trimming of the internal

48 MHz oscillator to guarantee its optimal accuracy over the whole device operational

range. This automatic trimming is based on the external synchronization signal, which could

be either derived from USB SOF signalization, from LSE oscillator, from an external signal

on CRS_SYNC pin or generated by user software. For faster lock-in during startup it is also

possible to combine automatic trimming with manual trimming action.

3.20

Serial wire debug port (SW-DP)

An ARM SW-DP interface is provided to allow a serial wire debugging tool to be connected

to the MCU.

STM32F048T6 数据表(PDF) 25 Page - STMicroelectronics