LC665316A View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC665316A

Four-Bit Single-Chip Microcontrollers with 4, 6, 8, 12, and 16 KB of On-Chip ROM

SANYO -> Panasonic 

LC665304A, 665306A, 665308A, 665312A, 665316A

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.

Option

Circuit

Conditions and notes

1. Normal port output

P80

2. Buffer input (P80) and

buffer output (P81) circuits

P81

DSB

Output data When the open-drain output type is selected

DSB

Output data

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

selected (CMOS output)

Output data

low

DSB

Output data

low

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.

P80

3. Buffer input (P80) and

buffer output (P81) circuits

with built-in zero-cross

detection circuits

P81

DSB

Output data

low

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.

Output data

low

No. 5485-10/26

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