MB86613S Datasheet, PDF (22/134 Pages) Fujitsu Component Limited. – IEEE1394 Open HCI Controller

23
16
Min_Gnt
Preliminary
Bit
Field Name
rwcu
---- -------------- ----
23:16 Min_Gnt
r
reset
description
-------- ------------------------------------------
20h
These bits indicate ”20h” (8ms).
3.1.19. MAXLAT
This read- only register indicates PCI bus access time required for the device. The time is 1/4 micro seconds
unit.
31
24
Max_Lat
Bit
Field Name
rwcu
---- -------------- ----
31:24 Max_Lat
r
reset
description
-------- ------------------------------------------
50h
These bits indicate ”50h” (20ms).
3.1.20. PCI_HCI Control
This register specifies the byte- swap control defined in the Open HCI specification.
31
24 23
16 15
87
0
PCI_Global_Swap
Bit
----
0
Field Name
rwcu
-------------- ----
PCI_Global_Swap rw
reset
--------
0b
description
------------------------------------------
Writing 1 at this bit performs the byte- swap for the data
accessed to/from PCI interface.
3.2. Open HCI Register
The addresses for the following listed Open HCI register set must be specified with the MEM Base Address
register in the PCI configuration register.
r denotes the register can be read.
w denotes the register can be written.
s denotes the bit can be written (1b)
c denotes the bit can be cleared (0b)
u denotes the read value undefined depending on the MB86613S device status.
21