STM32L433CCU6 datasheet(55/227 Pages) STMICROELECTRONICS

部件名	STM32L433CCU6

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 256KB flash, 64KB SRAM, USB FS, LCD, ext. SMPS

PDF	227 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

55 / 227 page

DS11449 Rev 7

55/227

STM32L433xx

Functional overview

3.36

Development support

3.36.1

Serial wire JTAG debug port (SWJ-DP)

The Arm® SWJ-DP interface is embedded, and is a combined JTAG and serial wire debug

port that enables either a serial wire debug or a JTAG probe to be connected to the target.

Debug is performed using only two pins instead of the five required by the JTAG (JTAG pins

can be reused as GPIO with alternate function): the JTAG TMS and TCK pins are shared

with SWDIO and SWCLK, respectively, and a specific sequence on the TMS pin is used to

switch between JTAG-DP and SW-DP.

3.36.2

Embedded Trace Macrocell™

The Arm® Embedded Trace Macrocell™ provides a greater visibility of the instruction and

data flow inside the CPU core by streaming compressed data at a very high rate from the

STM32L433xx through a small number of ETM pins to an external hardware trace port

analyzer (TPA) device. Real-time instruction and data flow activity be recorded and then

formatted for display on the host computer that runs the debugger software. TPA hardware

is commercially available from common development tool vendors.

The Embedded Trace Macrocell™ operates with third party debugger software tools.

STM32L433CCU6 数据表(PDF) 55 Page - STMicroelectronics