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| 型號(hào)： | ST7LITE19F1B6 |
| 英文描述： | FUSE CLIP 3AG SLDR LUG TIN BRASS |
| 中文描述： | ST7LITE1 - 8單電壓閃存EEPROM的MEMORY.DATA位MCU。 ADC的。 4定時(shí)器。的SPI |
| 文件頁(yè)數(shù)： | 26/122頁(yè) |
| 文件大?。?/td> | 1716K |
| 代理商： | ST7LITE19F1B6 |
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ST7LITE0, ST7SUPERLITE
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1
7.4 RESET SEQUENCE MANAGER (RSM)
7.4.1 Introduction
The reset sequence manager includes three RE-
SET sources as shown in
Figure 15
:
I
External RESET source pulse
I
Internal LVD RESET (Low Voltage Detection)
I
Internal WATCHDOG RESET
These sources act on the RESET pin and it is al-
ways kept low during the delay phase.
The RESET service routine vector is fixed at ad-
dresses FFFEh-FFFFh in the ST7 memory map.
The basic RESET sequence consists of 3 phases
as shown in
Figure 14
:
I
Active Phase depending on the RESET source
I
256 CPU clock cycle delay
I
RESET vector fetch
The 256 CPU clock cycle delay allows the oscilla-
tor to stabilise and ensures that recovery has tak-
en place from the Reset state.
The RESET vector fetch phase duration is 2 clock
cycles.
If the PLL is enabled by option byte, it outputs the
clock after an additional delay of t
STARTUP
(see
Figure 12
).
Figure 14. RESET Sequence Phases
Figure 15. Reset Block Diagram
RESET
Active Phase
INTERNAL RESET
256 CLOCK CYCLES
FETCH
VECTOR
RESET
R
ON
V
DD
WATCHDOG RESET
LVD RESET
INTERNAL
RESET
PULSE
GENERATOR
FILTER
相關(guān)PDF資料 |
PDF描述 |
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| ST7LITE19F1M6 | ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| ST890B | 1.2 CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| ST890C | 1.2 CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| ST890 | 1.2A CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| ST8LR2 | PHOTOTRANSISTOR | NPN | 800NM PEAK WAVELENGTH | 20M | LED-2B |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST7LITE19F1M6 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| ST7LITE1XB | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI |
| ST7LITE1XB_08 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI |
| ST7LITE2 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI |
| ST7LITE2_06 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI |
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