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| 型號： | ST7LITE05Y0B6 |
| 英文描述： | FUSE, FORK LIFT TRUCK, 50A; Current, fuse rating:50A; Voltage rating, DC:80V; Approval category:DIN 43560/1; Depth, external:20mm; Height:1mm; Length / Height, external:0.5mm; Width, external:82mm RoHS Compliant: Yes |
| 中文描述： | ST7LITE0。 ST7SUPERLITE - 8位微控制器單電壓閃存。數(shù)據(jù)EEPROM。 ADC的。定時器。的SPI |
| 文件頁數(shù)： | 38/122頁 |
| 文件大小： | 1716K |
| 代理商： | ST7LITE05Y0B6 |
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ST7LITE0, ST7SUPERLITE
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1
POWER SAVING MODES
(Cont’d)
9.4 ACTIVE-HALT AND HALT MODES
ACTIVE-HALT and HALT modes are the two low-
est power consumption modes of the MCU. They
are both entered by executing the ‘HALT’ instruc-
tion. The decision to enter either in ACTIVE-HALT
or HALT mode is given by the LTCSR/ATCSR reg-
ister status as shown in the following table:.
9.4.1 ACTIVE-HALT MODE
ACTIVE-HALT mode is the lowest power con-
sumption mode of the MCU with a real time clock
available. It is entered by executing the ‘HALT’ in-
struction when active halt mode is enabled.
The MCU can exit ACTIVE-HALT mode on recep-
tion of a Lite Timer / AT Timer interrupt or a RE-
SET.
– When exiting ACTIVE-HALT mode by means of
a RESET, a 256 CPU cycle delay occurs. After
the start up delay, the CPU resumes operation
by fetching the reset vector which woke it up (see
Figure 25
).
– When exiting ACTIVE-HALT mode by means of
an interrupt, the CPU immediately resumes oper-
ation by servicing the interrupt vector which woke
it up (see
Figure 25
).
When entering ACTIVE-HALT mode, the I bit in
the CC register is cleared to enable interrupts.
Therefore, if an interrupt is pending, the MCU
wakes up immediately.
In ACTIVE-HALT mode, only the main oscillator
and the selected timer counter (LT/AT) are running
to keep a wake-up time base. All other peripherals
are not clocked except those which get their clock
supply from another clock generator (such as ex-
ternal or auxiliary oscillator).
Caution:
As soon as ACTIVE-HALT is enabled,
executing a HALT instruction while the Watchdog
is active does not generate a RESET if the
WDGHALT bit is reset.
This means that the device cannot spend more
than a defined delay in this power saving mode.
Figure 24. ACTIVE-HALT Timing Overview
Figure 25. ACTIVE-HALT Mode Flow-chart
Notes:
1.
This delay occurs only if the MCU exits ACTIVE-
HALT mode by means of a RESET.
2.
Peripherals clocked with an external clock
source can still be active.
3.
Only the Lite Timer RTC and AT Timer interrupts
can exit the MCU from ACTIVE-HALT mode.
4.
Before servicing an interrupt, the CC register is
pushed on the stack. The I bit of the CC register is
set during the interrupt routine and cleared when
the CC register is popped.
LTCSR
TBIE bit
ATCSR
OVFIE
bit
ATCSR
CK1 bit
ATCSR
Meaning
0
0
0
1
x
x
0
1
x
1
x
x
1
x
0
0
x
1
x
1
ACTIVE-HALT
mode disabled
ACTIVE-HALT
mode enabled
HALT
RUN
RUN
256 CPU
CYCLE DELAY
1)
RESET
OR
INTERRUPT
HALT
INSTRUCTION
[Active Halt Enabled]
FETCH
VECTOR
ACTIVE
HALT
INSTRUCTION
(Active Halt enabled)
RESET
INTERRUPT
3)
Y
N
N
Y
CPU
I BIT
OSCILLATOR
PERIPHERALS
2)
ON
OFF
OFF
0
FETCH RESET VECTOR
OR SERVICE INTERRUPT
CPU
I BIT
OSCILLATOR
PERIPHERALS
2)
ON
OFF
ON
X
4)
CPU
I BITS
OSCILLATOR
PERIPHERALS
ON
ON
ON
X
4)
256 CPU CLOCK CYCLE
DELAY
相關PDF資料 |
PDF描述 |
|---|---|
| ST7LITE05Y0M6 | FUSE, FORK LIFT TRUCK, 80A; Current, fuse rating:80A; Voltage rating, DC:80V; Approval category:DIN 43560/1; Depth, external:20mm; Height:1mm; Length / Height, external:0.5mm; Width, external:82mm RoHS Compliant: Yes |
| ST7LITE09Y0B6 | FUSE, FORK LIFT TRUCK, 200A; Current, fuse rating:200A; Voltage rating, DC:80V; Approval category:DIN 43560/1; Depth, external:20mm; Height:1mm; Length / Height, external:0.5mm; Width, external:82mm RoHS Compliant: Yes |
| ST7LITE09Y0M6 | FUSE, FORK LIFT TRUCK, 250A; Current, fuse rating:250A; Voltage rating, DC:80V; Approval category:DIN 43560/1; Depth, external:20mm; Height:1mm; Length / Height, external:0.5mm; Width, external:82mm RoHS Compliant: Yes |
| ST7LITE10F1B6 | ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| ST7LITE10F1M6 | FUSE PULLER/TESTERFUSE PULLER/TESTER; Depth, external:15mm; Length:60mm; Voltage rating, AC:24V; Voltage rating, DC:24V; Width, external:20mm |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST7LITE05Y0M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE0. ST7SUPERLITE - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. DATA EEPROM. ADC. TIMERS. SPI |
| ST7LITE09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI |
| ST7LITE09Y0B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE0. ST7SUPERLITE - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. DATA EEPROM. ADC. TIMERS. SPI |
| ST7LITE09Y0M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE0. ST7SUPERLITE - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. DATA EEPROM. ADC. TIMERS. SPI |
| ST7LITE0X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI |
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