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Transmit offset setting register [a – FUJITSU MB86617A User Manual

Page 44

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LSI S pecification

MB86617A

Rev.1.0

Fujitsu VLSI

39

7.9. Transmit Offset Setting Register [A]

Transmit offset sett ing register [A] is the register that sets offset value added to cycle-time-monitor value. Its aim is to generate source
packet header (Time-stamp) added to transmit packet processed by bridge -Ach. (Max. 32 ms)
Time-stamp value is generated on the basis of cycle-time-monitor value at input of first byte of source packet from TSP -IC.

AD

R/W

Bit

15

Bit

14

Bit

13

Bit

12

Bit

11

Bit

10

Bit

9

Bit

8

Bit

7

Bit

6

Bit

5

Bit

4

Bit

3

Bit

2

Bit

1

Bit

0

14h

R/W

reserved

transmit-offset-A (high)

16h

R/W

transmit-offset-A (low)

Initial Value

“0000 h”

BIT

Bit Name

Action

Value

Function

Read

-

Always indicate ‘0’.

15 - 4 (high)

reserved

Write

-

Always write in ‘0’.

3 - 0 (high)

15 - 12 (low)

Set value to be added to cycle-count range of cycle-time-monitor.
Setting range is 0h to FFh. (unit=125

µ

S).

11 - 0

transmit-offset

-A

Read/

Write

-

Set value to be added to cycle-offset range of cycle-time-monitor.
Setting range is 0h to C00h. (unit=1/24.576 MHz).