LC65F1306A

No.6829-9/22

User Option

User option is selected according to the information written to the user option area on the on-chip Flash ROM.

Oscillator Circuit Options

Option

Circuit

Conditions and notes

External clock

The OSC2 pin should be

left open.

Two-pin RC oscillator

Ceramic oscillator

Divider Circuit Options

Option

Circuit

Conditions and notes

No divider

(1/1)

• The oscillator frequency or external clock

frequency should not exceed 4330 kHz.

Built-in

divide-by-three

circuit

• This option can only be used with the

external clock and the ceramic oscillator

options.

• The oscillator frequency or external clock

frequency should not exceed 4330 kHz.

Built-in

divide-by-four

circuit

• This option can only be used with the

external clock and the ceramic oscillator

options.

• The oscillator frequency or external clock

frequency should not exceed 4330 kHz.

Note: The following table summarizes the oscillator and divider circuit options. When selecting the divider option, the

relationship between frequency and cycle time must be taken into account.

OSC1

OSC1

R

OSC2

Ceramic

Resonator

C2

C1

OSC1

Rext

OSC

Cext

fOSC

fOSC

3

Divide by 3

fOSC

fOSC

4

Divide by 4

fOSC