MC81F4204 Datasheet, PDF(30/150 Page) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

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MC81F4204 Datasheet, PDF (30/150 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

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MC81F4204

7.8 Data Retention Voltage in Stop Mode

(TA = - 40 ï°C to + 85ï°C, VDD = 2.2 V to 5.5 V)

Parameter

Symbol

Conditions

Min Typ Max

Data retention supply

voltage

VDDDR

â

2.2

â

5.5

Data retention supply

current

IDDDR

VDDDR = 2.2V

(TA = 25ï°C), Stop mode

â

â

1

Units

V

uA

V DD

INT Request

Execution of

STOP Instruction

Stop Mode

Data Retention

VDDDR

IDLE Mode

(Watchdog Timer Active)

Normal

Operating Mode

0.8VDD

t WAIT

VDD

RESETB

NOTE: tWAIT is the same as 256 X 1/BT Clock

Figure 7-4 Stop Mode Release Timing When Initiated by an Interrupt

RESET

Occurs

Stop Mode

Data Retention

Oscillation

Stabillization Time

Normal

Operating Mode

Execution of

STOP Instruction

V DDDR

0.2 VDD

0.8 VDD

TWAIT

NOTE: tWAIT is the same as 256 X 1024 X 1/fxx (65.5mS @4MHz)

Figure 7-5 Stop Mode Release Timing When Initiated by RESETB

30

October 19, 2009 Ver.1.35

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