參數(shù)資料
型號： STM8L162R8T6
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 10 X 10 MM, LQFP-64
文件頁數(shù)： 28/116頁
文件大?。?/td> 1229K
代理商： STM8L162R8T6
STM8L162R8, STM8L162M8
Functional overview
Doc ID 17959 Rev 1
3.11
Ultralow power comparators
The high density STM8L162xx devices embed two comparators (COMP1 and COMP2)
sharing the same current bias and voltage reference. The voltage reference can be internal
or external (coming from an I/O).
●
One comparator with fixed threshold (COMP1).
●
One comparator rail to rail with fast or slow mode (COMP2). The threshold can be one
of the following:
–
DAC output
–
External I/O
–
Internal reference voltage or internal reference voltage submultiple (1/4, 1/2, 3/4)
The two comparators can be used together to offer a window function. They can wake up
from Halt mode.
3.12
System configuration controller and routing interface
The system configuration controller provides the capability to remap some alternate
functions on different I/O ports. TIM4 and ADC1 DMA channels can also be remapped.
The highly flexible routing interface allows application software to control the routing of
different I/Os to the TIM1 timer input captures. It also controls the routing of internal analog
signals to ADC1, COMP1, COMP2, DAC1 and the internal reference voltage VREFINT.
Finally, it provides a set of registers for efficiently managing a set of dedicated I/Os
supporting up to 16 capacitive sensing channels using the ProxSenseTM technology.
3.13
AES
The AES Hardware Accelerator can be used to encipher and decipher data using the AES
algorithm (compatible with FIPS PUB 197, 2001 Nov 26).
●
Key scheduler
●
Key derivation for decryption
●
128-bit data block processed
●
128-bit key length
●
892 clock cycles to encrypt/decrypt one 128-bit block
AES data flow can be served by the DMA1 controller
3.14
Timers
The high density STM8L162xx devices contain one advanced control timer (TIM1), three 16-
bit general purpose timers (TIM2,TIM3 and TIM5) and one 8-bit basic timer (TIM4).
All the timers can be served by DMA1.
Table 2 compares the features of the advanced control, general-purpose and basic timers.
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