LC66354C 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC66354C

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

SANYO -> Panasonic 

LC66354C, 66356C, 66358C

User Options

1. Port 0 and 1 output level at reset option

The output levels at reset for I/O ports 0 and 1, in independent 4-bit groups, can be selected from the following two

options.

Option

1. Output high at reset

2. Output low at reset

Conditions and notes

The four bits of ports 0 or 1 are set in a group

The four bits of ports 0 or 1 are set in a group

2. Oscillator circuit options

Option

Circuit

Conditions and notes

1. External clock

OSC1

The input has Schmitt characteristics

2. Ceramic oscillator

C1 OSC1

Ceramic oscillator

C2

OSC2

Note: There is no RC oscillator option.

3. Watchdog timer option

A runaway detection function (watchdog timer) can be selected as an option.

4. Port output type options

• The output type of each bit (pin) in ports P0, P1, P2, P3 (except for the P33/HOLD pin), P4, P5, P6, and PC can be

selected individually from the following two options.

Option

Circuit

Conditions and notes

1. Open-drain output

2. Output with built-in pull-up

resistor

DSB

DSB

Output data

Input data

The port P2, P3, P5, and P6 inputs have Schmitt

characteristics.

Output data

Input data

The port P2, P3, P5, and P6 inputs have Schmitt

characteristics.

The CMOS outputs (ports P2, P3, P6, and PC)

and the pull-up MOS outputs (P0, P1, P4, and

P5) are distinguished by the drive capacity of the

p-channel transistor.

• The port PD comparator input and the port PE three-value input are selected in software.

No. 5484-7/21

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