M38B78FBH-XXXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38B78FBH-XXXXFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38B7 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Table 6 List of I/O port functions (1)

Pin

Nama Input/Output

P00/FLD8–

P07/FLD15

Port P0 Output

P10/FLD16–

P17/FLD23

Port P1

Input/output,

individual

bits

P20/FLD0–

P27/FLD7

Port P2 Output

P30/FLD24– Port P3

P37/FLD31

Input/output,

individual

bits

P40/FLD32– Port P4

P47/FLD39

Input/output,

individual

bits

P50/FLD40– Port P5

P57/FLD47

Input/output,

individual

bits

P60/FLD48– Port P6

P63/FLD51

Input/output,

individual

bits

P64/RxD/

FLD52

P65/TxD/

FLD53,

P66/SCLK21/

FLD54

P67/SRDY2/

SCLK22/

FLD55

P70/INT0,

P71/INT1

P72/INT2

Port P7

Input/output,

individual

bits

I/O Format

High-breakdown voltage

P-channel open-drain

output with pull-down

resistor

Low-voltage input level

High-breakdown voltage

P-channel open-drain

output with pull-down

resistor

High-breakdown voltage

P-channel open-drain

output with pull-down

resistor

Low-voltage input level

High-breakdown voltage

P-channel open-drain

output with pull-down

resistor

Low-voltage input level

High-breakdown voltage

P-channel open-drain

output

Low-voltage input level

High-breakdown voltage

P-channel open-drain

output

Low-voltage input level

High-breakdown voltage

P-channel open-drain

output

Low-voltage input level

(port input)

CMOS compatible input

level (RxD, SCLK21,

SCLK22)

CMOS 3-state output

CMOS compatible input

level

CMOS 3-state output

P73/INT3/

DIMOUT

P74/PWM1

P75/T1OUT

P76/T3OUT

P77/INT4/

BUZ01

P80/XCIN

P81/XCOUT

P82/CNTR1

P83/CNTR0/

CNTR2

Port P8

Input/output,

individual

bits

CMOS compatible input

level

CMOS 3-state output

Non-Port Function

FLD automatic display

function

Related SFRs

FLDC mode register

P0 digit output set switch

register

FLDC mode register

FLDC mode register

P2 digit output set switch

register

FLDC mode register

FLDC mode register

Port P4 FLD/Port switch

register

FLDC mode register

Port P5 FLD/Port switch

register

FLDC mode register

Port P6 FLD/Port switch

register

FLD automatic display

function

Serial I/O2 function I/O

FLDC mode register

Serial I/O2 control

register

UART control register

External interrput input

External interrput input

Dimmer signal output

PWM output

Timer output

Timer output

Buzzer output

External interrput input

Sub-clock generating

circuit I/O

External count input

Interrupt edge selection

register

Interrupt edge selection

register

Interrupt interval determi-

nation control register

Interrupt edge selection

register

FLD output control register

Timer 56 mode register

Timer 12 mode register

Timer 34 mode register

Buzzer output control

register

Interrupt edge selection

register

CPU mode register

Interrupt edge selection

register

Ref.No.

(1)

(2)

(1)

(2)

(2)

(2)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(6)

(12)

15

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