LSI Specification
MB86617A
Rev.1.0 Fujitsu VLSI
99
Link Register#02 is the register that sets transfer mode of acknowledge packet transmitted by this node and disable setting
of Link layer.
phy/
link-
addr 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
40 h R/W - - - - - - - - - - - - ack
mode - Link
Enable -
Initial Value ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’’ ‘0’ ‘0’ ‘0’ ‘1’ ‘0’ ‘1’ ‘0’
<< Description of Each Bit
BIT Bit Name Action Value Function
Read - Always indicate ‘0’.
15 - 4 reserved
Write - Always write in ‘0’.
0
At receipt of normal packet.
Automatically transmits Acknowledge packet of “ack_pending” to all
request packet.
Automatically transmits Acknowledge packet of “ack _complete”
to
all response packet.
Automatically transmits packet.
Code value of Acknowledge packet, automatically transmitted when
error is detected, depends on the kind of error.
3 ack mode Read/
Write
1
At receipt of normal packet.
Automatically transmits Acknowledge packet of “ack_pending”
to
Read request and Lock request.
Automatically transmits Acknowledge packet of “ack_complete”
to
Write request packet and all response packet.
Code value of Acknowledge packet automatically transmitted when
error is detected depends on the kind of error.
Read - Always indicates ‘0’.
2 reserved
Write - Always write in ‘0’.
0 LINK layer is disabled.
1 Link Enable Read/
Write 1 LINK layer is enabled.
Read - Always indicates ‘0’.
0 reserved
Write - Always write in ‘0’.