STM32W108HBU61TR STMicroelectronics, STM32W108HBU61TR Datasheet - Page 35

• Manufacturer Part Number: STM32W108HBU61TR
• Description: 16/32-BITS MICROS
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32W108HBU61TR

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Applications: IEEE 802.15.4 Wireless
• Processing Unit: Microprocessor
• Operating Supply Voltage (min): 1.18V
• Operating Supply Voltage (typ): 1.25V
• Operating Supply Voltage (max): 1.32V
• Package Type: VFQFPN EP
• Pin Count: 40
• Mounting: Surface Mount
• Rad Hardened: No
• Core Processor: ARM® Cortex-M3™
• Program Memory Type: FLASH (128 kB)
• Controller Series: STM32W
• Ram Size: 8K x 8
• Interface: I²C, SPI, UART/USART
• Number Of I /o: 18
• Voltage - Supply: 1.18 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Compliant

STM32W108HB, STM32W108CC, STM32W108CB and STM32W108CZ
6
System modules
System modules encompass power, resets, clocks, system timers, power management, and
encryption.
Figure 6.
Regulator
External
external regulator
internal regulator
connections for
connections for
recomended
optional
Figure 6
System module block diagram
VDD_CORE
VDD_PADS
VREG_OUT
VDD_MEM
REG_EN
nRESET
JRST
shows these modules and how they interact.
always-on domain
Reset Filter
VREG_1V25
Sleep Timer
VREG_1V8
SWJ
Doc ID 16252 Rev 9
Flash
RAM
mem domain
CDBGRSTREQ
Power Management
Wakeup Recording
always-on supply
mem supply
core supply
Watchdog
core domain
POR LVmem
POR LVcore
POR HV
FLITF
Security Accelerator
deep sleep
watchdog
wakeup
POR HV
Cortex -M3
Cortex -M3
Debug
CPU
POR LV
SCLK
CLK32K
CLK1K
PRESET
PRESET
AHB-AP
HV
LV
System modules
OSC24M
OSC32K
registers
registers
OSCRC
OSCHF
DIV10
OSC32A
OSC32B
35/220
OSCA
OSCB