Cypress Semiconductor CY7C0430CV Bedienungsanleitung PDF herunterladen (Seite 4)

CY7C0430BV

CY7C0430CV

Document #: 38-06027 Rev. *B Page 4 of 37

Addr.

Read

Port 1 Operation-Control Logic Block Diagram

R/W

P1

CE

0P1

CE

1P1

LB

P1

OE

P1

UB

P1

I/O

9P1

–I/O

17P1

I/O

0P1

–I/O

8P1

I/O

Control

Counter/

A

0P1

–A

15P1

CLK

P1

CNTLD

P1

CNTINC

P1

CNTRST

P1

16

9

9

MKLD

P1

CNTINT

P1

MKRD

P1

Mask Register

Port-1

Port 1

Port 1

64K × 18

QuadPort

DSE Array

P

or

t

1

Po

r

t 2

P

ort 4

P

ort 3

Address

Register

Readback

Register

Port 1

CNTRD

P1

Port 1

Address

Decode

Port 1

Interrupt

Logic

R/W

P1

CE

0P1

CE

1P1

OE

P1

INT

P1

CLK

P1

MRST

MRST

Priority

Decision

Logic

MRST

(Address Readback is independent of CEs)

W

LB

P1

UB

P1

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