STM32WL33C8V6 datasheet(90/91 Pages) STMICROELECTRONICS

90 / 91 page

List of figures

Figure 1.

Block diagram .................................................................... 6

Figure 2.

STM32WL33xx system architecture ..................................................... 7

Figure 3.

Sub-1GHz IP block diagram .......................................................... 10

Figure 4.

Wake up radio block diagram ......................................................... 11

Figure 5.

LPAWUR frame format ............................................................. 11

Figure 6.

Power supply configuration .......................................................... 13

Figure 7.

Power supply domains overview ....................................................... 14

Figure 8.

Fast clock tree generation ........................................................... 19

Figure 9.

Pinout top view (QFN32 package - 5 mm x 5 mm)........................................... 31

Figure 10.

Pinout top view (VFQFPN48 package - 6 mm x 6 mm)........................................ 31

Figure 11.

STM32WL33xx application circuit without SMPS, VFQFPN48 package ............................ 36

Figure 12.

STM32WL33xx application circuit with SMPS, VFQFPN48 package .............................. 37

Figure 13.

Typical application with a 32.768 kHz crystal .............................................. 63

Figure 14.

Low-speed external clocksource AC timing diagram ......................................... 63

Figure 15.

Recommended RSTN pin protection .................................................... 67

Figure 16.

SPI timing diagram - slave mode and CPHA = 0 ............................................ 71

Figure 17.

SPI timing diagram - slave mode and CPHA = 1 ............................................ 72

Figure 18.

SPI timing diagram - master mode ..................................................... 72

Figure 19.

VFQFPN48 - Outline ............................................................... 76

Figure 20.

VFQFPN48- Footprint example........................................................ 79

Figure 21.

VFQFPN32 - Outline ............................................................... 80

Figure 22.

VFQFPN32 - Footprint example ....................................................... 81

STM32WL33xx

List of figures

DS14221 - Rev 5

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