DS2196 datasheet(111/157 Pages) DALLAS

111 / 157 page

DS2196

111 of 157

TBOCA: TRANSMIT BIT ORIENTED CODE for FORMATTER A

(Address = 07 Hex)

TBOCB: TRANSMIT BIT ORIENTED CODE for FORMATTER B

(Address = A7 Hex)

(MSB)

(LSB)

SBOC

HBEN

BOC5

BOC4

BOC3

BOC2

BOC1

BOC0

SYMBOL

POSITION

NAME AND DESCRIPTION

SBOC

TBOC.7

Send BOC. Rising edge triggered. Must be transitioned from

a 0 to a 1 transmit the BOC code placed in the BOC0 to BOC5

bits instead of data from the HDLC controller.

HBEN

TBOC.6

Transmit HDLC & BOC Controller Enable.

0 = source FDL data from the TLINK pin

1 = source FDL data from the onboard HDLC and BOC

controller

BOC5

TBOC.5

BOC Bit 5. Last bit transmitted of the 6–bit code word.

BOC4

TBOC.4

BOC Bit 4.

BOC3

TBOC.3

BOC Bit 3.

BOC2

TBOC.2

BOC Bit 2.

BOC1

TBOC.1

BOC Bit 1.

BOC0

TBOC.0

BOC Bit 0. First bit transmitted of the 6–bit code word.

THFRA: TRANSMIT HDLC FIFO for FORMATTER A (Address = 08 Hex)

THFRB: TRANSMIT HDLC FIFO for FORMATTER B (Address = A8 Hex)

(MSB)

(LSB)

HDLC7

HDLC6

HDLC5

HDLC4

HDLC3

HDLC2

HDLC1

HDLC0

SYMBOL

POSITION

NAME AND DESCRIPTION

HDLC7

THFR.7

HDLC Data Bit 7. MSB of a HDLC packet data byte.

HDLC6

THFR.6

HDLC Data Bit 6.

HDLC5

THFR.5

HDLC Data Bit 5.

HDLC4

THFR.4

HDLC Data Bit 4.

HDLC3

THFR.3

HDLC Data Bit 3.

HDLC2

THFR.2

HDLC Data Bit 2.

HDLC1

THFR.1

HDLC Data Bit 1.

HDLC0

THFR.0

HDLC Data Bit 0. LSB of a HDLC packet data byte.

DS2196 Datasheet(PDF) 111 Page - Dallas Semiconductor

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