FUSB308B

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44

Writing this register will start a PD transmission. If Cable Reset, Hard Reset or BIST Carrier Mode 2 is written, RETRY_CNT is ignored

and signaling is not retried.

Address: 50h

Reset Value: 0x00

Type: Read/Write

Bit #

Transmit Description

Size (Bits)

R/W/C

Name

3

Reserved

R

1

Reserved: 0b

2:0

TXSOP

R/W

3

Transmit SOP Message

000b: Transmit SOP

001b: Transmit SOP’

010b: Transmit SOP’’

011b: Transmit SOP_DBG’

100b: Transmit SOP_DBG”

101b: Transmit Hard Reset

110b: Transmit Cable Reset

111b: Transmit BIST Carrier Mode 2

(Enabled for tBISTContMode)

Table 45. TXBYTECNT

Address: 51h

Reset Value: 0x00

Type: Read/Write

Bit #

Name

R/W/C

Size (Bits)

Transmit Byte Count Description

7:0

TXBYTECNT

R/W

8

Number of bytes to be transmitted

Table 46. TXHEADL

Address: 52h

Reset Value: 0x00

Type: Read/Write

Bit #

Name

R/W/C

Size (Bits)

Transmit Header Low Description

7:0

TXHEADL

R/W

8

Transmit Header Low

Table 47. TXHEADH

Address: 53h

Reset Value: 0x00

Type: Read/Write

Bit #

Name

R/W/C

Size (Bits)

Transmit Header High Description

7:0

TXHEADH

R/W

8

Transmit Header High

Table 48. TXDATA

Addresses: 54−6Fh

Reset Value: 0x00

Type: Read/Write

Bit #

Name

R/W/C

Size (Bits)

Transmit Payload Description

27:0

TXDATA0..27

R/W

8

Payload to be transmitted