M65761FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M65761FP

QM-CODER

MITSUBISHI ELECTRIC  

MITSUBISHI ICs (LSI)

M65761FP

QM-CODER

10. FUNCTIONAL DESCRIPTION OF PINS

Classification

Pin name

I/O BUF

Function

Host Bus I/F

RESET

CS

A0-3

BHE

WR

RD

D0-15

DMARQ

DMAAK

INTR

BUS16

I

S H/W reset signal

I

Chip select signal

I

Internal register address select signal

I

High-order(D8-15)access signal

I

S Write strobe signal

I

S Read strobe signal

IO

8 I/O data signal (D0-7 used on 8-bit bus)

O

2 Code data DMA request signal

I

US Code data DMA acknowledge signal

O

2 Interrupt request signal

I

U 8-bit bus (D0-7)and 16-bit bus(D0-15)function select bus.

Parallel

Image data

I/F

Serial

PD0-31

PDRQ

PDAK

PDRD

PDWR

PRDY

PTIM

PXCK

PXCKO

SVID

RVID

IO U2 Parallel image I/O bus (PD0-15 used on 16-bit bus)

O

2 Image data DMA request signal

I

US Image data DMA acknowledge signal

I

US Image data read strobe signal

I

US Image data write strobe signal

O

2 Image data 1-line I/O start ready signal

I

US Image data 1-line transfer section signal

I

US Image data transfer clock signal

O

4 Image data transfer sync clock signal

I

U Image data input signal

O

2 Image data output signal

Context I/F

CX0-11

PEUPE

SPIX

RPIX

XCLK

XWAIT

XRDY

XTIM

I

U Context input (CX0 can be fed back inside LSI)

(=PD0-11)

I

U PE RAM update enable (learning function ON/OFF) (=PD15)

I

U Coded image data input signal

(=SVID)

O

2 Decoded image data output signal

(=RVID)

O

4 Context data transfer clock signal

I

US Context data transfer wait signal

O

2 Context data 1-stripe I/O start ready signal

(=PRDY)

I

US Context data 1-stripe transfer section signal

(=PTIM)

Others

MCLK

TEST0-1

Vcc/GND

I

Master clock input signal

I

DS Test signal (should be connected to GND when normally used).

–

–

Power supply (+5V)/ground

Notes:Most of the context I/F signals are used in conjunction with the image data I/F signals.

∗ The input buffers of the input terminals (I and IO) are at TTL level.

Options are as follows.

(U:with pull-up resistors,D:with pull-down resistors,S:Schmitt trigger)

∗ Numbers (2,4,8) of the BUF column of the output terminals (O and IO) indicate current value. (one of 2,4,or 8mA)

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