MK50H25 datasheet(12/64 Pages) STMICROELECTRONICS

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Table A - MK50H25 Command/Response Repertoire

Modulo 8 Operation

FORMAT

COMMAND

RESPONSE

ENCODING

LSB

MSB

34567

Information Transfer

← N(S) →

← N(R) →

Supervisory

P/F

← N(R) →

RNR

P/F

← N(R) →

REJ

P/F

← N(R) →

Unnumbered

*UI

P/F

SABM

11F

DISC

00F

FRMR

*XID

P/F

TEST

P/F

Table B - MK50H25 Command/Response Repertoire

Modulo 128 Operation

FORMAT

COMMAND

RESPONSE

ENCODING

LSB

MSB

10-16

Information

Transfer

N(S)

N(R)

Supervisory

P/F N(R)

RNR

P/F N(R)

REJ

P/F N(R)

Unnumbered

SABME

N/A

All Others

Same Repertoire and Encoding as for Modulo 8

Notes:

1. N(S) = Transmitter Send Sequence Number

2. N(R) = Transmitter Receive Sequence Number

3. P/F = Poll bit when issued as a command. Final bit when issued as a response.

4. N/A = Not Applicable. All Unnumbered frames have only an 8 bit Control Field for Modulo 128 or Modulo 8 operation.

*XID and UI frames can be enabled individually by setting the appropriate bits in CSR2.

MK50H25

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