• Option data area and definition

Bits specified to be 0 must be set to 0.

00 ... Illegal value

01 ... Illegal value

10 ... Two-pin RC oscillator, 1-pin external drive

(2PORT RC OSC, 1PORT EXT)

11 ... Two-pin ceramic oscillator

(2PORT CF OSC)

Oscillator divider specification

Oscillator type specification

00 1/1 (direct)

01 1/3

10 1/4

11 ... Illegal value

Port C output level at initial reset

0 Low-level output

1 High-level output

Port D output level at initial reset

0 Low-level output

1 High-level output

Comparator function specification

0 No feedback resistor

1 Feedback resistor present

Port input function specification

0 Comparator input

1 Port E input

Port C output type specification

0 Open-drain output

1 Pull-up resistor output

Port A output type specification

Port C output type specification

These bits must be set to 0.

Note: Although all ports are set up to be open-drain outputs regardless of the port option data in the LC65P29, be sure to specify the port option data if you

are using the LC6529N/F/L (mask ROM version).

0 Open-drain output

1 Pull-up resistor output

These bits must be set to 0.

0 Open-drain output

1 Pull-up resistor output

These bits must be set to 0.

Port D output type specification

0 Open-drain output

1 Pull-up resistor output

No. 5894-9/14

LC65P29