
OHCI Registers
155
September 2005
SCPS110
Table 81. OHCI Register Map (Continued)
DMA CONTEXT
REGISTER NAME
ABBREVIATION
OFFSET
Asynchronous context control
ContextControlSet
180h
Asynchronous
Asynchronous context control
ContextControlClear
184h
Asynchronous
Request Transmit
Reserved
—
188h
Request Transmit
[ ATRQ ]
Asynchronous context command pointer
CommandPtr
18Ch
[ ATRQ ]
Reserved
—
190h19Ch
Asynchronous context control
ContextControlSet
1A0h
Asynchronous
Asynchronous context control
ContextControlClear
1A4h
Asynchronous
Response Transmit
Reserved
—
1A8h
Response Transmit
[ ATRS ]
Asynchronous context command pointer
CommandPtr
1ACh
[ ATRS ]
Reserved
—
1B0h1BCh
Asynchronous context control
ContextControlSet
1C0h
Asynchronous
Asynchronous context control
ContextControlClear
1C4h
Asynchronous
Request Receive
Reserved
—
1C8h
Request Receive
[ ARRQ ]
Asynchronous context command pointer
CommandPtr
1CCh
[ ARRQ ]
Reserved
—
1D0h1DCh
Asynchronous context control
ContextControlSet
1E0h
Asynchronous
Asynchronous context control
ContextControlClear
1E4h
Asynchronous
Response Receive
Reserved
—
1E8h
Response Receive
[ ARRS ]
Asynchronous context command pointer
CommandPtr
1ECh
[ ARRS ]
Reserved
—
1F0h1FCh
Isochronous transmit context control
ContextControlSet
200h + 16*n
Isochronous
Isochronous transmit context control
ContextControlClear
204h + 16*n
Isochronous
Transmit Context n
Reserved
—
208h + 16*n
Transmit Context n
n = 0, 1, 2, 3,
…, 7
Isochronous transmit context command
pointer
CommandPtr
20Ch + 16*n
Reserved
—
210h3FCh
Isochronous receive context control
ContextControlSet
400h + 32*n
Isochronous
Isochronous receive context control
ContextControlClear
404h + 32*n
Isochronous
Receive Context n
Reserved
—
408h + 32*n
Receive Context n
n = 0, 1, 2, 3
Isochronous receive context command
pointer
CommandPtr
40Ch + 32*n
Isochronous receive context match
ContextMatch
410h + 32*n