3822 datasheet(29/328 Pages) RENESAS

29 / 328 page

1-14

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

3822 Group

Note : Make sure that the input level at each pin is either 0 V or VCC during execution of the STP instruction.

When an input level is at an intermediate potential, a current will flow from VCC to VSS through the input-stage gate.

Input/Output

Input/output,

individual ports

Input/output,

individual ports

Input/output,

individual bits

Input

Input/output,

individual bits

output

Related SFRs

PULL register A

Segment output

enable register

PULL register A

Segment output

enable register

PULL register A

Interrupt control

PULL register A

Segment output

enable register

PULL register B

φ output control

PULL register B

Interrupt edge selection

PULL register B

Serial I/O control register

Serial I/O status register

UART control register

PULL register B

Interrupt edge selection

PULL register B

Timer X mode register

PULL register B

Timer X mode register

PULL register B

Timer Y mode register

PULL register B

Timer 123 mode register

PULL register B

A-D control register

PULL register A

CPU mode register

LCD mode register

Segment output

enable register

P00/SEG16–

P07/SEG23

P10/SEG24–

P17/SEG31

P20 – P27

P34/SEG12–

P37/SEG15

P40

P41/

P42/INT0,

P43/INT1

P44/RXD

P45/TXD

P46/SCLK1

P47/SRDY

P50/INT2,

P51/INT3

P52/RTP0,

P53/RTP1

P54/CNTR0

P55/CNTR1

P56/TOUT

P57/ADT

P60/AN0–

P67/AN7

P70/XCOUT

P71/XCIN

COM0-COM3

SEG0-SEG11

Name

Port P0

Port P1

Port P2

Port P3

Port P4

Port P5

Port P6

Port P7

Common

Segment

I/O Format

CMOS compatible

input level

CMOS 3-state output

CMOS compatible

input level

CMOS 3-state output

CMOS compatible

input level

CMOS 3-state output

CMOS compatible

input level

CMOS compatible

input level

CMOS 3-state output

LCD common output

LCD segment output

Non-Port Function

LCD segment output

Key input(Key-on

wake up) interrupt

input

LCD segment output

φ clock output

External interrupt input

Serial I/O function I/O

External interrupt input

Real time port function

oputput

Timer I/O

Timer output

A-D trigger input

A-D conversion input

Sub-clock

generating circuit I/O

Diagram No.

(1)

(2)

(3)

(4)

(5)

(2)

(6)

(7)

(8)

(9)

(2)

(10)

(11)

(12)

(13)

(12)

(14)

(15)

(16)

(17)

(18)

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