ST7FL15F1MATRE datasheet(40/138 Pages) STMICROELECTRONICS

部件名	ST7FL15F1MATRE

功能描述	8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI

PDF	138 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

40 / 138 page

ST7L15, ST7L19

40/138

POWER SAVING MODES (cont’d)

Similarities with Halt mode

The following AWUFH mode behavior is the same

as normal HALT mode:

– The MCU can exit AWUFH mode by means of

any interrupt with exit from Halt capability or a re-

set (see Section 9.4 HALT MODE).

– When entering AWUFH mode, the I bit in the CC

fore, if an interrupt is pending, the MCU wakes

up immediately.

– In AWUFH mode, the main oscillator is turned

off, stopping all internal processing, including the

operation of the on-chip peripherals. None of the

peripherals are clocked except those which re-

ceive their clock supply from another clock gen-

erator (such as an external or auxiliary oscillator

like the AWU oscillator).

– The compatibility of Watchdog operation with

AWUFH mode is configured by the WDGHALT

option bit in the option byte. Depending on this

setting, the HALT instruction, when executed

while the Watchdog system is enabled, can gen-

erate a Watchdog RESET.

Figure 27. AWUF Halt Timing Diagram

AWUFH interrupt

fCPU

RUN MODE

HALT MODE

256 OR 4096 tCPU

RUN MODE

fAWU_RC

Clear

by software

tAWU

ST7FL15F1MATRE 数据表(PDF) 40 Page - STMicroelectronics

ST7FL15F1MATRE 数据表(HTML) 40 Page - STMicroelectronics

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