MB91352A 데이터 시트보기 (PDF) - Fujitsu

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MB91352A

32-bit Microcontroller

Fujitsu 

MB91350A Series

Pin no.

LQFP*1 LQFP*2

161

69

164

45

165

46

166

47

167

48

Pin name

CS3

PA3

RDY

IN0

P80

BGRNT

IN1

P81

BRQ

IN2

P82

RD

P83

I/O

circuit

type*3

Function

Chip select 3 output.

This function is valid when chip select 3 output is enabled.

C

General-purpose I/O port.

This function is valid when chip select 3 output is disabled.

External ready input.

This function is valid when external ready input is enabled.

Input capture input pin.

D

Since this input is always used when it is selected for input

capture input, output using the port must be stopped

beforehand unless this operation is the intended operation.

General-purpose I/O port.

This function is valid when external ready input is disabled.

External bus open acceptance output.

Outputs an “L” level when the external bus is open.

This function is valid when output is enabled.

Input capture input pin.

D

Since this input is always used when it is selected for input

capture input, output using the port must be stopped

beforehand unless this operation is the intended operation.

General-purpose I/O port.

This function is valid when external bus open acceptance is

disabled.

External bus open request input.

A high level is input to this pin to request for the external bus

to be made open.

This function is valid when input is enabled.

Input capture input pin.

D Since this input is always used when it is selected for input

capture input, output using the port must be stopped

beforehand unless this operation is the intended operation.

General-purpose I/O port.

This function is valid when external bus open request is

disabled.

External bus read strobe output.

This function is valid in external bus mode.

D

General-purpose I/O port.

This function is valid in single-chip mode.

(Continued)

17

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