参数资料
型号: ST7PL38F2MC/XXXE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20
文件页数: 107/168页
文件大小: 2955K
代理商: ST7PL38F2MC/XXXE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7L34, ST7L35, ST7L38, ST7L39
43/168
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-
– 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 29. AWUF Halt Timing Diagram
AWUFH interrupt
fCPU
RUN MODE
HALT MODE
256 OR 4096 tCPU
RUN MODE
fAWU_RC
Clear
by software
tAWU
1
相关PDF资料
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ST7PL38F2UCXXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7PL39F2MA/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
ST7L38F2UC/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7FL38F2UATRE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC20
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