Datasheet > 7P40FLV250I25

7P40FLV250I25

更新时间： 2023-01-02 22:24:32

品牌	Logo	应用领域
WEDC		/
页数	文件大小	规格书
11页	411K
描述
Flash Card, 20MX16, 250ns, CARD-68

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7P40FLV250I25 数据手册

PCMCIA Flash Memory Card

FLV Series

White Electronic Designs

BLOCK DIAGRAM

Device Pair (N/2 - 1)

CSn

Device (N-1)

Device (N-2)

Array

Address

Bus

ADDRESS

BUFFER

ADDRESS BUS

A1-A25

Control

Address

Bus

M Res

WE#

OE#

WL#

RL#

Control Logic

PCMCIA Interface

WH#

RH#

CE2#

CE1#

CSn

REG#

Device Pair 1

Device 3

Device 1

Device 2

Device 0

CS0

At/Reg enable

Ctrl

SR Clr

Reg Clr

SR#

PD#

CS0

Device Pair 0

Card

Management

Registers

4000h

0000h

Vcc

WH# RH#

WL# RL#

DATA

BUS

DATA

BUS

Vcc

attrib. mem

CIS

EEPROM 2kB

-Q15

Q0-Q7

control

Q0-Q7

Vcc

I/O buffer

Device type

28F008SC

28F016SC

Manuf ID

89H

Device ID

A6H

DATA

BUS

-D

DATA

BUS

D8-D15

89H

AAH

REGISTERS IN ATTRIBUTE MEMORY SPACE*

CSR

CONFIGURATION STATUS REGISTER: ADRS =

4002H WRITE ONLY

ADDRESS

4100h

Status Register

Not Supported

PDwn Not Supported

4002h

Conﬁg. and Status Register

Conﬁguration Option Register

4000h

Power Down, active High

* FLV51- FLV58 and cards without Attribute Memory do not

have registers.

1 = Place all memory devices in power down mode

0 = Normal Operation

Power On default = 0

COR

CONFIGURATION OPTION REGISTER: ADRS =

STATUS REGISTER: ADRS = 4100H READ ONLY

4000H WRITE ONLY

SRES

LREQ

Conﬁguration Index

D3 D2

Not Supported SReset

PDwn Not Supported R/BSY#

Represents the state of SRESET bit in COR (4000h)

1 = Reset

0 = Normal Operation

Soft Reset, active High

1 = Reset State

0 = End Reset State

Level Req (not supported)

Conﬁguration index (not supported)

Power On default

D5 = 0

D5-D0

Represents the state of Power Down bit (D2) in CSR (4002h)

1 = Power Down

Reﬂects the card's Ready/Busy signal (pin 16) driven by

memory components Ready/Busy outputs. This bit allows

software polling of the card's Ready/Busy status.

1 = Ready

White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice.

June, 2003

Rev. 5

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

123 4 5 6 7...11

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