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RM0312 데이터시트(PDF) 72 Page - STMicroelectronics

부품명 RM0312
상세설명  STM8TL5xxx microcontroller family
PDF  275 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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RM0312 데이터시트(HTML) 72 Page - STMicroelectronics

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Power management
RM0312
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DocID022352 Rev 3
In Active-halt mode with ProxSense, the HSI and LSI oscillators, the CPU and almost all the
peripherals are stopped. Only the HSI_PXS oscillator is running to drive the analog
ProxSense system.
The Main Voltage Regulator (MVR) is always kept ON, the MCU core clock is switched OFF
and all registers and RAM contents are preserved.
9.5
WFE registers
These registers are used to configure different interrupt sources as external interrupts or
WFE events. Refer to Section : Wait for event (WFE) mode on page 70
9.5.1
WFE control register 1 (WFE_CR1)
Address Offset: 0x00
Reset value: 0x00
7
654
3210
EXTI_EV3
EXTI_EV2
EXTI_EV1
EXTI_EV0
PXS_EV
Reserved
TIM2_EV1
TIM2_EV0
rw
rw
rw
rw
rw
rw
rw
Bit 7 EXTI_EV3: External interrupt event 3
0: Interrupt sources from pin 3 of all ports generate external interrupts.
1: Interrupt sources from pin 3 of all ports generate WFE events (no interrupt serviced).
This bit is written by software.
Bit 6 EXTI_EV2: External interrupt event 2
0: Interrupt sources from pin 2 of all ports generate external interrupts.
1: Interrupt sources from pin 2 of all ports generate WFE events (no interrupt serviced).
This bit is written by software.
Bit 5 EXTI_EV1: External interrupt event 1
0: Interrupt sources from pin 1 of all ports generate external interrupts.
1: Interrupt sources from pin 1 of all ports generate WFE events (no interrupt serviced).
This bit is written by software.
Bit 4 EXTI_EV0: External interrupt event 0
0: Interrupt sources from pin 0 of all ports generate external interrupts.
1: Interrupt sources from pin 0 of all ports generate WFE events (no interrupt serviced).
This bit is written by software.
Bit 3 PXS_EV: ProxSense interrupt
0: PXS interrupt sources generate external interrupts.
1: PXS interrupt sources logically ORed and configured to generate WFE events (no interrupt
serviced).
This bit is written by software.
Bit 2 Reserved



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