MN86062 Просмотр технического описания (PDF) - Panasonic Corporation

Номер в каталоге

Компоненты Описание

производитель

MN86062

CODEC LSI for Facsimile Images

Panasonic Corporation 

MN86062

For Communications Equipment

Pin Descriptions

System Bus Interface

Pin No. Symbol

I/O

27

A3

I

28

A2

29

A1

30

A0

33

D7

I/O

34

D6

Tristate

35

D5

36

D4

37

D3

38

D2

39

D1

40

D0

24

NWT

I

25

NRD

I

26

NCS

I

23 NREQC

O

Tristate

22 NREQD

O

Tristate

21 NACKC

I

20 NACKD

I

32

NIRQ

O

Open drain

31 NRESET

I

46 2SYSCLK

I

43 SYSCLK

O

15

VDD4

I

5

VDD3

2

VDD2

45

VDD1

16

VSS4

I

4

VSS3

1

VSS2

44

VSS1

41

TEST4

I

42

TEST3

17

TEST2

18

TEST1

19

TEST0

3

TACK

O

Function Description

Address bus for accessing internal registers

Data bus for bidirectional transfers over system bus

Connect to WR pin on X80-compatible microprocessor

Connect to RD pin on X80-compatible microprocessor

Chip select pin

This output pin indicates a DMA transfer request from the 86062 to

memory.

This output pin indicates a DMA transfer request from the memory to

86062.

This input pin accepts the response to the NREQC signal.

This input pin accepts the response to the NREQD signal.

This output pin indicates an interrupt request.

External input resets the 86062.

This input pin accepts a clock signal with twice the system clock frequency.

This output pin provides a clock signal with half the frequency of 2SYSCLK.

Connect these power supply pins to a 5 volt power supply.

Connect these power supply pins to ground.

Do not use these test pins.

Do not use these test pins.

Share Link: