Sharp CE-158 Instrukcja Użytkownika Pobierz pdf (Strona 12)

All and more about Sharp PC-1500

at

http:f/www.PC-1500.info

reloading the original control

byte

in the

Cont

rol Register with

I.he

TR

bit=

0,

thus terminating

the

REQUEST

TO

SEND (RTS) signal.

SER

I

AL

DATA OUT (SDO) can

be

held low

by

setting the BRcAK bit

in

the

Control Rcgister($ee

Fig

.

6)

.

SDO

is

held

low

until

the BREAK

bi

t

is

reset

DYNAMIC ELECTRICAL CHARACTERISTI

CS

at

TA . -

40

tC>

+85°C,

Voo

±5%,

t,

,

tf-20ns,

VIH . 0.7

Yoo

·

VIL=

0.3

Voo

·

CL

•

100

pF. See Figs.

1and2

.

LIMITS

CHARACTERISTIC

Voo

COPl8S4A CDP· l854AC UNITS

(V)

Typ

."

• •

•

Max.

Typ

. Max.

Trransmitter Timing - MOOE I

Minimum Clock

Period

ICC

5

2so

310

2SO

310

10

125

ISS

ns

- -

Minimum

P11lse

Width:

lCL

s

I 00 125 100 125

ns

Clock Low Level

10

75

100

-

-

Clock

High

Level

l(;H

s I 00 125

JOO

1

25

10 75

100

ns

-

-

TP

B

ITT

5 100

150

100

ISO

10

so

75

ns

- -

Mi

nimum

Setup

Time:

IT

C

s 175

22

5 175 22S

TPB to

Clock 10

90

I

SO

ns

- -

Pr

opagation Delay Time:

tco

s

300

450

300

450

ns

Clock

to

D

ata

Start Bit

JO

I

SO

225

- -

'rPB

to

THRJO

t·1TH

5

20

0

30

0

200

300

10

100 1

50

ns

-

-

Clock to THRE

tent

5

200

30

0

200

300

ns

10

100 150

- -

CPU lnicrface -

W~TE

Timing -

MO

DE I

Minimum Pulse Wid01:

ITT

5 100

ISO

100

ISO

TPB

so

75

ns

10 -

-

Minimum Setup Time:

tRSW

5

50

74

50

7S

RSEL to Write 10

25

40

ns

- -

Data

to

Write

tow

5

- 100

-

75

100

-75

ns

10

-SO

- 35

-

-

Minimum Hold Time:

IWRS

s

so

75

so

75

ns

RSEL after Write

10

25

40

- -

Data after Write

two

5

15

12S 15 125

10

40

60

ns

-

-

• Typical values are for T

11

= 2S°C

and

nominal voltages.

• Maximum limits

of

minimum characteristics

are

the

values above which

all

devices function.

10

Do

not sale this PDF !!!

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

Komentarze do niniejszej Instrukcji

Brak uwag