參數(shù)資料
型號： ST7DALI
廠商： 意法半導體
元件分類： ADC
英文描述： 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI
中文描述： 8位單電壓閃存存儲器，數(shù)據(jù)EEPROM，模數(shù)轉換器，定時器，SPI和大理微控制器
文件頁數(shù)： 43/141頁
文件大小： 2175K
代理商： ST7DALI
ST7DALI
43/141
POWER SAVING MODES
(Cont’d)
Similarities with Halt mode
The following AWUFH mode behaviour 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
register is forced to 0 to enable interrupts. There-
fore, if an interrupt is pending, the MCU wakes
up immediately.
– In AWUFH mode, the main oscillator is turned off
causing all internal processing to be stopped, in-
cluding the operation of the on-chip peripherals.
None of the peripherals are clocked except those
which get their clock supply from another clock
generator (such as an external or auxiliary oscil-
lator 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 28. AWUF Halt Timing Diagram
AWUFH interrupt
f
CPU
RUN MODE
HALT MODE
256 OR 4096 t
CPU
RUN MODE
f
AWU_RC
Clear
by software
t
AWU
1
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