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STM32W108CB Datasheet(PDF) 242 Page - STMicroelectronics

No. de pieza STM32W108CB
Descripción Electrónicos  High-performance, IEEE 802.15.4 wireless system-on-chip with up to 256 Kbytes of embedded Flash memory
PDF  278 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32W108CB Datasheet(HTML) 242 Page - STMicroelectronics

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Electrical characteristics
STM32W108HB STM32W108CC STM32W108CB STM32W108CZ
242/278
Doc ID 16252 Rev 14
14.3
Operating conditions
14.3.1
General operating conditions
Regulator input voltage (VDD_PADS)
Analog and memory input voltage (VDD_24MHZ,
VDD_VCO, VDD_RF, VDD_IF, VDD_PADSA, VDD_MEM,
VDD_PRE, and VDD_SYNTH)
Core input voltage (VDD_CORE)
Operating temperature range
14.3.2
Operating conditions at power-up
Power-on resets (POR HV and POR LV)
The STM32W108 measures the voltage levels supplied to the three power domains. If a
supply voltage drops below a low threshold, then a reset is applied. The reset is released if
the supply voltage rises above a high threshold. There are three detection circuits for power
on reset as follows:
●
POR HV monitors the always on domain supply voltage. Thresholds are given in
Table 49.
●
POR LVcore monitors the core domain supply voltage. Thresholds are given in
Table 50.
●
POR LVmem monitors the memory supply voltage. Thresholds are given in Table 51.
Always-on domain release
Always-on domain assert
Supply rise time
From 0.5 V to 1.7 V
1.25 V domain release
1.25 V domain assert
1.8 V domain release
1.8 V domain assert
Table 48.
General operating conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
–
2.1
–
3.6
V
–
1.7
1.8
1.9
V
–
1.18
1.25
1.32
V
TOPER
-40
–
+105
°C
Table 49.
POR HV thresholds
Parameter
Test conditions
Min
Typ
Max
Unit
1.0
1.2
1.4
V
0.5
0.6
0.7
V
–
–
250
µs
Table 50.
POR LVcore thresholds
Parameter
Test conditions
Min
Typ
Max
Unit
0.9
1.0
1.1
V
0.8
0.9
1.0
V
Table 51.
POR LVmem thresholds
Parameter
Test conditions
Min
Typ
Max
Unit
1.35
1.5
1.65
V
1.26
1.4
1.54
V



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