SAB82526 datasheet(30/126 Pages) SIEMENS

Part #	SAB82526

Description	High-Level Serial Communication Controller Extended

Download	126 Pages

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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Semiconductor Group

30

82525

82526

82525

82526

SAB

SAF

Figure 10

Processing of Received Frames in Auto-Mode

ITD00230

Command

with p = 1

?

Y

?

Ready

Rec.

N

f = p

Trm RR

Activ

Rec.

Set RRNR

Response

PCE

Int :

1

Response

Trm RNR

f = p

?

Overflow

Data

N

:

Int RME

Set RDO

Response

Trm RR

f = p

RME

Int :

N

Y

N

Y

Rec. Ready

:

Int RME

N

Set RDO

Data

Overflow

?

N

Y

Acknowledge

RESET Wait for

Y

?

Acknowledge

Wait for

N

Y

:

Int XMR

RESET Wait for

Acknowledge

RESET Wait for

ALLS

Int :

Response

f = 1

?

N

(S) + 1

N(R) = V

N

Y

Wait for

Acknowledge

?

N

Y

?

CRC Error

Set CRCE

N

Set RAB

Aborted

?

Y

U Frame

1

Y

Prot. Error

?

N

PCE

Int :

:

Int RME

Set CRCE

N

?

CRC Error

Y

Set RAB

Aborted

?

N

Y

I Frame

N

1

Y

Prot. Error

?

N

or Abort

CRC Error

Y

RNR

?

1

RESET RRNR

?

,

Y

CRC Error

or Abort

N

?

Prot. Error

Y

N

:

Int PCE

SREJ

REJ

RR,

1

Y

V(S)

V

=

(S)

+ 1

Y

?

ALLS

:

Int

N(R)

(S) + 1

= V

?

V

(S)

=

(S)

V

+ 1

ALLS

Int :

= V

N(S)

(R) + 1

?

(R)

V

= V

+ 1

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