Fujitsu MB86617A manual Physical register #0A, 0B, 0C read/write

LSI Specification MB86617A

8.9. Physical register #0A, 0B, 0C (read/write)

Physical Register#0A, 0B, 0C are the registers that indicate bias detect condition of IEEE1394 installed in this node and performs setting of enable/disable of IEEE1394 port.

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
	R															Bias-0	Disabl
12 h		-	-	-	-	-	-	-	-	-	-	-	-	-	-
																	ed-0
	W															-
	R															Bias-1	Disabl
14h		-	-	-	-	-	-	-	-	-	-	-	-	-	-
	W															-	ed-1
	R															Bias-2	Disabl
16h		-	-	-	-	-	-	-	-	-	-	-	-	-	-
																	ed-2
	W															-
Initial Value		‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’	‘0’

<Description of Each Bit

BIT	Bit Name	Action	Value	Function
		Read	-	Always indicates’0’.
15 - 2	reserved
		Write	-	Always write in ‘0’.
			0	Indicates that bias voltage is not detected at 1394 port n.
1	Bias-n	Read
			1	Indicates that bias voltage is detected at 1394 port n.
		Write	-	Always indicates ‘0’.
		Read/	0	Enables 1394 port n.
0	Disabled-n
		Write
			1	Disable 1394 port n.

Rev.1.0 91 Fujitsu VLSI