M32000D4BFP-80 datasheet(6/44 Pages) MITSUBISHI

Part #	M32000D4BFP-80

Description	SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER????

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

M32000D4BFP-80

6

PIN DESCRIPTION (1/3)

type

pin name

name

I/O

function

power

VCC

power source

–

All power source pins should be connected to VCC.

source

VSS

ground

–

All ground pins should be connected to VSS.

clock

CLKIN

clock input

input

Clock input pin. The M32000D4BFP-80 has an internal PLL

multiplier circuit, and an input clock which is 1/4 of the internal

operating frequency (when the internal operating frequency is

80 MHz, the CLKIN input is 20 MHz).

PLLCAP

C connection

–

Connects a capacitor for the internal PLL.

for PLL

PLLVCC

power source

–

Power source for the internal PLL.

for PLL

PLLVSS

ground

–

Ground for the internal PLL.

for PLL

system

____

RST

reset

input

Internally resets the M32000D4BFP-80. It is also used to return

control

from standby mode and CPU sleep mode.

_

M/S

master/slave

input

Sets the M32000D4BFP-80 default operation to either system

__

bus master (M/S = "H") or bus slave (M/S = "L").

When the M32000D4BFP-80 is set to bus slave, it does not carry

out a reset vector entry fetch after a reset.

_

The setting of M/S cannot be changed during operation.

Keep at either an "H" or an "L" level.

______

WKUP

wakeup

input

Input pin to request return from standby mode.

_____

This is only accepted when STBY is "L" level.

It generates the wakeup interrupt.

_____

STBY

standby

output

Indicates that the M32000D4BFP-80 has switched to standby

mode. An "L" level is output while the device is in standby

mode.

address

A8 to A30

address bus

I/O

The M32000D4BFP-80 has a 24-bit address (A8 to A31) bus for

bus

(Hi-Z)*

a 16 MB address space. A31 is not output. During the write

cycle, the valid byte positions on the 16-bit data bus are output

____

as BCH or BCL. During the read cycle, the 16-bit data bus is

read, however,only data in the valid byte positions is transferred

to the M32000D4BFP-80.

Address bus pins are bidirectional. When accessing the internal

DRAM from an external bus master while the M32000D4BFP-80

is in the hold state, input the address from the system bus side.

data bus

D0 to D15

data bus

I/O

16-bit data bus for connecting to external devices.

(Hi-Z)*

* (Hi-Z): This pin goes to high-impedance in the hold state.

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M32000D4BFP-80 Datasheet(PDF) 6 Page - Mitsubishi Electric Semiconductor

M32000D4BFP-80 Datasheet(HTML) 6 Page - Mitsubishi Electric Semiconductor

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