M38B53M4-059FP datasheet(31/355 Pages) MITSUBISHI

31 / 355 page

38B5 Group User’s Manual

1-15

HARDWARE

FUNCTIONAL DESCRIPTION

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

Name

Input/Output

I/O Format

Non-Port Function

Related SFRs

Ref.No.

P00/FLD8–

Port P0

Input/output,

CMOS compatible input level FLD automatic display function FLDC mode register

(1)

P07/FLD15

individual bits

High-breakdown voltage P-

Port P0FLD/port switch register

channel open-drain output

with pull-down resistor

P10/FLD16– Port P1

Output

High-breakdown voltage P-

FLDC mode register

(2)

P17/FLD23

channel open-drain output

with pull-down resistor

P20/BUZ02/

Port P2

Input/output,

Low-voltage input level

Buzzer output (P20)

FLDC mode register

(3)

FLD0

individual bits

High-breakdown voltage P-

FLD automatic display function Port P2FLD/port switch register

P21/FLD1–

channel open-drain output

FLD automatic display function Buzzer output control register

(1)

P27/FLD7

P30/FLD24– Port P3

Output

High-breakdown voltage P-

FLDC mode register

(2)

P37/FLD31

channel open-drain output

with pull-down resistor

P40/INT0,

Port P4

Input/output,

CMOS compatible input level External interrupt input

Interrupt edge selection register

(5-1)

P41/INT1,

individual bits

N-channel open-drain output In the mask option type P, INT3

(5-2)

P42/INT3

cannot be used.

P43/BUZ01

Buzzer output

Buzzer output control register

(4)

P44/PWM1

PWM output

Timer 56 mode register

(6)

P45/T1OUT

Timer output

Timer 12 mode register

(7)

P46/T3OUT

Timer output

Timer 34 mode register

(7)

P47/INT2

Input

CMOS compatible input level External interrput input

Interrupt edge selection register

(8)

Interrupt interval determination

control register

P50/SIN1

Port P5

Input/output,

CMOS compatible input level Serial I/O1 function I/O

Serial I/O1 control register 1, 2

(9)

P51/SOUT1,

individual bits

CMOS 3-state output

(10)

P52/SCLK11,

P53/SCLK12

P54/RXD,

Serial I/O2 function I/O

Serial I/O2 control register

(9)

P55/TXD,

UART control register

(10)

P56/SCLK21

P57/SRDY2/

(11)

SCLK22

P60/CNTR1 Port P6

CMOS compatible input level External count input

Interrupt edge selection register

(5-1)

N-channel open-drain output In the mask option type P,

(5-2)

P61/CNTR0/

CMOS compatible input level CNTR1 cannot be used.

(12)

CNTR2

CMOS 3-state output

P62/SRDY1/

Serial I/O1 function I/O

Serial I/O1 control register 1, 2

(13)

AN8

A-D conversion input

A-D control register

P63/AN9

A-D conversion input

A-D control register

(14)

Dimmer signal output

P8FLD output control bit

P64/INT4/

Serial I/O1 function I/O

Serial I/O1 control register 1, 2

(15)

SBUSY1/AN10

A-D conversion input

A-D control register

External interrupt input

Interrupt edge selection register

P65/SSTB1/

Serial I/O1 function I/O

Serial I/O1 control register 1, 2

(16)

AN11

A-D conversion input

A-D control register

P70/AN0–

Port P7

A-D conversion input

A-D control register

(14)

P77/AN7

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