EKTF6708 datasheet(79/158 Pages) EMC

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eKTF6708

8-Bit Microcontroller

IC Product Specification (V1.2) 03.12.2020

 69

(This specification is subject to change without prior notice)

Only one event (from Events 3 to 6) can be enabled before entering into Sleep mode. That

is:

If WDT is enabled before SLEP, the eKTF6708 can wake up only when Events 1 or 2

occurs. Refer to Section 6.5 Interrupt for further details.

If External (/INT) pin change is used to wake up the eKTF6708 and the EXWE bit is

enabled before SLEP (with WDT disabled), the eKTF6708 can only wake up when

Event 3 occurs.

If Port Input Status Change is used to wake-up the eKTF6708 and the corresponding

wake-up setting is enabled before SLEP (with WDT disabled), the eKTF6708 will wake

up only when Event 4 occurs.

With SPI serves as Slave device and the SPIWK bit of Bank0 R11 register is enabled

before SLEP (with WDT disabled), the SPI will wake up the eKTF6708 after it receives

data. Hence, the eKTF6708 can wake up only when Event 5 occurs.

When I

2C is serving as Slave device and I2CWK bit of Bank 0 R11 register is enabled

before SLEP (with WDT disabled), the I

2C will wake up the eKTF6708 after it receives

data. Hence, the eKTF6708 can only be woken up by Event 6.

If Low voltage detector is used to wake up the eKTF6708 and the LVDWK bit of

Bank 0 R10 register is enabled before SLEP, WDT must be disabled by software.

Hence, the eKTF6708 can only be woken up by Event 7.

If AD conversion completed is used to wake up the eKTF6708 and the ADWK bit

of Bank 0 R10 register is enabled before SLEP, WDT must be disabled by software.

Hence, the eKTF6708 can only be woken up by Event 8.

6.4.1 Summary of Wake-up and Interrupt Mode Operation

Wake-up

Signal

Condition

Signal

Sleep Mode

Idle Mode

Green Mode

Normal Mode

DISI

ENI

DISI

ENI

DISI

ENI

DISI

ENI

External INT

INTWK = 0,

EXIE = 0

/INT pin Disable

INTWK = 0,

EXIE = 1

Wake-up is invalid.

Instruction

Interrupt

Vector

Instruction

Interrupt

Vector

INTWK = 1,

EXIE = 0

/INT pin Disable

INTWK = 1,

EXIE = 1

Wake up

Instruction

Wake up

Interrupt

Vector

Wake up

Instruction

Wake up

Interrupt

Vector

Instruction

Interrupt

Vector

Instruction

Interrupt

Vector

TCC INT

TCIE = 0

Wake-up is invalid.

Interrupt is invalid.

TCIE = 1

Wake-up is invalid.

Wake up

Instruction

Wake up

Interrupt

Vector

Instruction

Interrupt

Vector

Instruction

Interrupt

Vector

TC1 Interrupt

(Used as

TC1IE = 0

Wake-up is invalid

Wake-up is

invalid.

Interrupt is

invalid

Interrupt is invalid

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