Fujitsu MB86617A manual Link register #02 read/write

LSI Specification MB86617A

8.17. Link register #02 (read/write)

Link Register#02 is the register that sets transfer mode of acknowledge packet transmitted by this node and disable setting of Link layer.

phy/		Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit	Bit
link-	R/W
		15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
addr
40 h	R/W	-	-	-	-	-	-	-	-	-	-	-	-	ack	-	Link	-
														mode		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’.
				At receipt of normal packet.
				Automatically transmits Acknowledge packet of “ack_pending” to all
				request packet.
			0	Automatically transmits Acknowledge packet of	“ack _complete” to
				all response packet.
				Automatically transmits packet.
				ョCode value of Acknowledge packet, automatically transmitted when
3	ack mode	Read/		error is detected, depends on the kind of error.
		Write		At receipt of normal packet.
				Automatically transmits Acknowledge packet of	“ack_pending” to
				Read request and Lock request.
			1	Automatically transmits Acknowledge packet of	“ack_complete” to
				Write request packet and all response packet.
				ョ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’.
		Read/	0	LINK layer is disabled.
1	Link Enable
		Write
			1	LINK layer is enabled.
		Read	-	Always indicates ‘0’.
0	reserved
		Write	-	Always write in ‘0’.

Rev.1.0 99 Fujitsu VLSI