MB91F273 データシートの表示（PDF） - Fujitsu

部品番号

コンポーネント説明

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MB91F273

32-bit Microcontroller

Fujitsu 

MB91270 Series

Pin No. Pin name

Function I/O circuit

name

type*

Function

P34

General-purpose I/O port.

This function is enabled in single-chip mode.

7

P34/BRQ/

OUT4

BRQ

T (A)

External bus request input pin

Enabled when the external bus and the bus request func-

tions are enabled.

(MB91V280 only)

OUT4

Waveform output pin for output compare OCU4.

P35

General-purpose I/O port.

This function is enabled in single-chip mode.

P35/

8

BGRNT/

OUT5

BGRNT

External bus acknowledge output pin

A

Enabled when the external bus and the bus request

functions are enabled.

(MB91V280 only)

OUT5

Waveform output pin for output compare OCU5.

P36

General-purpose I/O port.

This function is enabled in single-chip mode.

9

P36/RDY/

OUT6

RDY

T

External ready input pin

Enabled when the external bus and the bus request func-

tions are enabled.

OUT6

Waveform output pin for output compare OCU6.

P37

P37/

10

SYSCLK/

OUT7

SYSCLK

General-purpose I/O port.

This function is enabled in single-chip mode.

A

External clock output pin

This function is enabled when the external bus is enabled.

OUT7

Waveform output pin for output compare OCU7.

Port 4

11, 12

P40/ (X0A) ,

P41/ (X1A)

P40, P41

X0A, X1A

A

General-purpose I/O port

(S-suffix models)

WA sub-clock oscillator input pin

WB

(without S-suffix models)

P42

General-purpose I/O port

16

P42/IN6/

RX1/INT9R

IN6

RX1

Data sample input pin for input capture ICU6

A

CAN1 RX input pin (MB91V280 only)

INT9R

External interrupt request 9 input pin (Set by EISSR)

P43

17

P43/IN7/

TX1

IN7

TX1

General-purpose I/O port

A

Data sample input pin for input capture ICU7

CAN1 TX output pin (MB91V280 only)

P44

18

P44/SDA0/

FRCK0

SDA0

FRCK0

General-purpose I/O port

C

Serial data I/O pin for I2C0

16-bit input/output timer 0 input pin

* : Refer to “■ I/O CIRCUIT TYPE” for the I/O circuit type.

(Continued)

11

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