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參數(shù)資料
| 型號： | ST72124J2B7 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
| 中文描述： | 8位單電壓閃存，ADC和16位定時器，SPI和脊髓損傷界面微控制器 |
| 文件頁數(shù)： | 40/125頁 |
| 文件大?。?/td> | 776K |
| 代理商： | ST72124J2B7 |
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ST72334J/N, ST72314J/N, ST72124J
40/125
POWER SAVING MODES
(Cont’d)
5.2.3 WAIT Mode
WAIT mode places the MCU in a low power con-
sumption mode by stopping the CPU.
This power saving mode is selected by calling the
“WFI” ST7 software instruction.
All peripherals remain active. During WAIT mode,
the I bit of the CC register is forced to 0 to enable
all interrupts. All other registers and memory re-
main unchanged. The MCU remains in WAIT
mode until an interrupt or Reset occurs, whereup-
on the Program Counter branches to the starting
address of the interrupt or Reset service routine.
The MCU will remain in WAIT mode until a Reset
or an Interrupt occurs, causing it to wake up.
Refer to Figure 30.
Figure 30. WAIT mode flow-chart
WFI
INSTRUCTION
RESET
INTERRUPT
Y
N
N
Y
CPU
I BIT
OSCILLATOR
PERIPHERALS
ON
ON
OFF
0
if exit caused by a RESET, a 4096 CPU
clock cycle delay is inserted.
CPU
OSCILLATOR
PERIPHERALS
ON
OFF*
OFF
Note:
*The peripheral clock is stopped only when exit caused by RESET and not by an interrupt.
**Before servicing an interrupt, the CC register is pushed on the stack.
FETCH RESET VECTOR
OR SERVICE INTERRUPT**
CPU
OSCILLATOR
PERIPHERALS
ON
ON
ON
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| ST72124J2T6 | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72124J2B7/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
| ST72124J2T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
| ST72124J2T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
| ST72124J2T1/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
| ST72124J2T3 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
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