STM32W108CZ STMicroelectronics, STM32W108CZ Datasheet - Page 125
STM32W108CZ
Manufacturer Part Number
STM32W108CZ
Description
High-performance, IEEE 802.15.4 wireless system-on-chip with embedded Flash memory
Manufacturer
STMicroelectronics
Datasheet
1.STM32W108CC.pdf
(232 pages)
Specifications of STM32W108CZ
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
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STM32W108HB STM32W108CC STM32W108CB STM32W108CZ
10.1.3
Clock selection
The counter clock can be provided by the following clock sources:
●
●
●
●
Internal clock source (CK_INT)
The internal clock is selected when the slave mode controller is disabled (TIM_SMS = 000 in
the TIMx_SMCR register). In this mode, the TIM_CEN, TIM_DIR (in the TIMx_CR1
register), and TIM_UG bits (in the TIMx_EGR register) are actual control bits and can be
changed only by software, except for TIM_UG, which remains cleared automatically. As
soon as the TIM_CEN bit is written to 1, the prescaler is clocked by the internal clock
CK_INT.
Figure 26
without prescaling.
Figure 26. Control circuit in Normal mode, internal clock divided by 1
External clock source mode 1
This mode is selected when TIM_SMS = 111 in the TIMx_SMCR register. The counter can
count at each rising or falling edge on a selected input.
Internal clock (PCLK)
External clock mode 1: external input pin (TIy)
External clock mode 2: external trigger input (ETR)
Internal trigger input (ITR0): using the other timer as prescaler. Refer to the
timer as prescaler for the other timer
shows the behavior of the control circuit and the up-counter in normal mode,
Doc ID 16252 Rev 13
for more details.
General-purpose timers
Using one
125/232
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