LC66558B View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC66558B

Four-Bit Single-Chip Microcontrollers with 6 k and 8 k Bytes of On-Chip ROM

SANYO -> Panasonic 

LC66556B, 66558B

Pin Function Overview

Pin

I/O

Function

Output drive type

Option

Value on reset

P00

P01

P02

P03

I/O ports P00 to P03

• Input or output in 4-bit or 1-bit

I/O

units

• P00 to P03 have control

functions in HALT mode.

• P-channel: pull-up MOS type

• N-channel: small sink current

type

• Either with pull-up

MOS or N-channel OD

output

• Reset output level

High or low (option)

P10

P11

P12

P13

P20/SI0

P21/SO0

P22/SCK0

P23/INT0

P30/INT1

P31/POUT0

P32/POUT1

P33/HOLD

P40

P41

P42

P43

P50

P51

P52

P53

I/O ports P10 to P13

I/O • Input or output in 4-bit or 1-bit

units

• P-channel: pull-up MOS type

• N-channel: small sink current

type

I/O ports P20 to P23

• Input or output in 4-bit or 1-bit

units

• P20 is also used as the serial

input SI0 pin.

• P-channel: CMOS type

P21 is also used as the serial • N-channel: small sink current

I/O

output SO0 pin.

type

P22 is also used as the serial • +15 V withstand voltage in N-

clock SCK0 pin.

channel OD

• P23 is also used as the INT0

interrupt request, as the timer 0

event counter and for pulse

width measurement input.

I/O ports P30 to P32

• Input or output in 3-bit or 1-bit

units

• P30 is also used as the INT1

I/O

interrupt request.

• P31 is also used for square

wave output from timer 0.

P32 is also used for square

wave output from timer 1 and

PWM output.

• P-channel: CMOS type

• N-channel: small sink current

type

• +15 V withstand voltage in N-

channel OD

Hold mode control input

• Hold mode is entered if a HOLD

instruction is executed when

HOLD is low.

• When in hold mode, the CPU is

reactivated by setting HOLD to

the high level.

I

• P33 can also be used as an

input port together with P30 to

P32.

• When P33/HOLD is low, the

CPU will not be reset by a low

level on RES. Therefore, RES

cannot be used in applications

that set P33/HOLD low when

power is first applied.

I/O ports P40 to P43

• Input or output in 4-bit or 1-bit

I/O

units

• I/O in 8-bit units when used in

conjunction with P50 to P53

• Output of 8-bit ROM data when

• P-channel: pull-up MOS type

• N-channel: small sink current

type

used in conjunction with P50 to

P53

I/O ports P50 to P53

• Input or output in 4-bit or 1-bit

I/O

units

• I/O in 8-bit units when used in

conjunction with P40 to P43

• Output of 8-bit ROM data when

• P-channel: pull-up MOS type

• N-channel: small sink current

type

used in conjunction with P40 to

P43

• Either with pull-up

MOS or N-channel OD

output

• Reset output level

High or low (option)

• Either CMOS or N-

channel OD output

High

• Either CMOS or N-

channel OD output

High

• Either CMOS or N-

channel OD output

High

• Either CMOS or N-

channel OD output

High

Continued on next page.

No. 5003-4/22

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