STM32W108HBU61TR STMicroelectronics, STM32W108HBU61TR Datasheet - Page 135
STM32W108HBU61TR
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
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STM32W108HB, STM32W108CC, STM32W108CB and STM32W108CZ
10.1.12
Figure 39. Example of counter operation in encoder interface mode
Figure 40
configuration as above except TIM_CC1P = 1).
Figure 40. Example of encoder interface mode with IC1FP1 polarity inverted
The timer configured in encoder interface mode provides information on a sensor's current
position. To obtain dynamic information (speed, acceleration/deceleration), measure the
period between two encoder events using a second timer configured in capture mode. The
output of the encoder that indicates the mechanical zero can be used for this purpose.
Depending on the time between two events, the counter can also be read at regular times.
Do this by latching the counter value into a third input capture register. (In this case the
capture signal must be periodic and can be generated by another timer).
Timer input XOR function
The TIM_TI1S bit in the TIM1_CR2 register allows the input filter of channel 1 to be
connected to the output of a XOR gate that combines the three input pins TIMxC2 to
TIMxC4.
gives an example of counter behavior when IC1FP1 polarity is inverted (same
Doc ID 16252 Rev 9
General-purpose timers
135/220
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