ST7LITEUSX datasheet(39/108 Pages) STMICROELECTRONICS

부품명	ST7LITEUSX

상세설명	8-bit MCU with single voltage Flash memory, ADC, timers

PDF	108 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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39 / 108 page

ST7LITEUSx

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Figure 27. AWUFH Mode Flow-chart

Notes:

1. WDGHALT is an option bit. See option byte sec-

tion for more details.

2. Peripheral clocked with an external clock source

can still be active.

3. Only an AWUFH interrupt and some specific in-

terrupts can exit the MCU from HALT mode (such

as external interrupt). Refer to Table 7, “Interrupt

Mapping,” on page 26 for more details.

4. Before servicing an interrupt, the CC register is

pushed on the stack. The I[1:0] bits of the CC reg-

ister are set to the current software priority level of

the interrupt routine and recovered when the CC

RESET

INTERRUPT 3)

CPU

MAIN OSC

PERIPHERALS 2)

I[1:0] BITS

OFF

FETCH RESET VECTOR

OR SERVICE INTERRUPT

CPU

MAIN OSC

PERIPHERALS

I[1:0] BITS

OFF

XX 4)

CPU

MAIN OSC

PERIPHERALS

I[1:0] BITS

XX 4)

64 CPU CLOCK

DELAY

WATCHDOG

ENABLE

DISABLE

WDGHALT 1)

WATCHDOG

RESET

CYCLE

AWU RC OSC

OFF

AWU RC OSC

OFF

HALT INSTRUCTION

(Active-Halt disabled)

(AWUCSR.AWUEN=1)

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