3820 datasheet(15/67 Pages) RENESAS

15 / 67 page

MITSUBISHI MICROCOMPUTERS

3820 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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/O1 control register

Serial I/O1 status register

UART control register

PULL register B

Serial I/O2 control

PULL register B

Timer X mode register

PULL register B

Timer Y mode register

PULL register B

Timer 123 mode register

PULL register B

Interrupt edge

selection register

PULL register B

Timer X mode register

Interrupt edge

selection register

PULL register B

Timer X mode register

PULL register A

CPU mode register

LCD mode register

P00/SEG24–

P07/SEG31

P10/SEG32–

P17/SEG39

P20 – P27

P30/SEG16–

P37/SEG23

P40

P41/

P42/INT0,

P43/INT1

P44/RXD

P45/TXD

P46/SCLK1

P47/SRDY1

P50/SIN2

P51/SOUT2

P52/SCLK2

P53/SRDY2

P54/CNTR0

P55/CNTR1

P56/TOUT

P57/INT2

P60/INT3/RTP0

P61/RTP1

P70/XCOUT

P71/XCIN

COM0-COM3

SEG0-SEG15

Name

Port P0

Port P1

Port P2

Port P3

Port P4

Port P5

Port P6

Port P7

Common

Segment

Input/Output

Input/output,

individual ports

Input/output,

individual ports

Input/output,

individual bits

Input

Input/output,

individual bits

Input/output,

individual bits

Input/output,

individual bits

Input/output,

individual bits

output

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 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 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/O1 function I/O

Serial I/O2 function I/O

Timer I/O

Timer output

External interrupt input

Real time port

function output

Real time port

function output

Sub-clock

generating circuit

I/O

Diagram No.

(1)

(2)

(3)

(4)

(5)

(2)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(10)

(15)

(2)

(16)

(17)

(18)

(19)

(20)

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.

3820 Datasheet(PDF) 15 Page - Renesas Technology Corp

3820 Datasheet(HTML) 15 Page - Renesas Technology Corp

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