STM32W108CB STMicroelectronics, STM32W108CB Datasheet - Page 35

• Manufacturer Part Number: STM32W108CB
• Description: High-performance, IEEE 802.15.4 wireless system-on-chip with embedded Flash memory
• Manufacturer: STMicroelectronics

Specifications of STM32W108CB

• Receive Current (w/ Cpu): 27 mA
• Transmit Current (w/ Cpu, +3 Dbm Tx): 31 mA
• Low Deep Sleep Current, With Retained Ram And Gpio: 400 nA/800 nA with/without sleep timer
• Standard Arm Debug Capabilities: Flash patch & breakpoint; data watchpoint & trace; instrumentation trace macrocell
• Single Voltage Operation: 2.1-3.6 V with internal 1.8 V and 1.25 V regulators

STM32W108HB STM32W108CC STM32W108CB 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 13
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
35/232
OSCA
OSCB