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14 posted write address high register, 15 vendor id register – Texas Instruments TSB12LV26 User Manual

Page 50

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4–12

4.14 Posted Write Address High Register

The posted write address high register is used to communicate error information if a write request is posted and an
error occurs while writing the posted data packet. See Table 4–9 for a complete description of the register contents.

Bit

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

Name

Posted write address high

Type

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

Default

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Name

Posted write address high

Type

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

RU

Default

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Register:

Posted write address high

Type:

Read/Update

Offset:

3Ch

Default:

XXXX XXXXh

Table 4–9. Posted Write Address High Register Description

BIT

FIELD NAME

TYPE

DESCRIPTION

31–16

sourceID

RU

This field is the bus and node number of the node that issued the write request that failed. Bits 31–22
are the 10-bit bus number and bits 21–16 are the 6-bit node number.

15–0

offsetHi

RU

The upper 16 bits of the 1394 destination offset of the write request that failed.

4.15 Vendor ID Register

The vendor ID register holds the company ID of an organization that specifies any vendor-unique registers. The
TSB12LV26 does not implement Texas Instruments unique behavior with regards to OHCI. Thus, this register is
read-only and returns 0s when read.

Bit

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

Name

Vendor ID

Type

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Default

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Name

Vendor ID

Type

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Default

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Register:

Vendor ID

Type:

Read-only

Offset:

40h

Default:

0000 0000h