6. Buffer array circuit option

In addition to normal port output, one of the following two options may also be selected for P80 and P81.

No. 5489-10/28

LC66P5316

Option

Circuit

Conditions and notes

1. Normal port output

2. Buffer input (P80) and

buffer output (P81) circuits

3. Buffer input (P80) and

buffer output (P81) circuits

with built-in zero-cross

detection circuits

When the open-drain output type is selected

If this option is selected, the I/O circuit is disabled

by the DSB signal.

Also note that the open-drain port output type

option and the high level at reset option must be

selected.

If this option is selected, the I/O circuit is disabled

by the DSB signal.

Also note that the open-drain port output type

option and the high level at reset option must be

selected.

When the built-in pull-down resistor output type is

selected (CMOS output)

DSB

Output data

DSB

Output data

DSB

P80

P81

Output data

low

Output data

low

DSB

P80

P81

Output data

low

Output data

low