Host Controller Data Manual

4–3
Table 4–1. OHCI Register Map (Continued)
DMA CONTEXT REGISTER NAME ABBREVIATION OFFSET
Asynchronous context control
ContextControlSet 180h
Asychronous
As
y
nchrono
u
s
conte
x
t
control
ContextControlClear 184h
Asychronous
Request Transmit
Reserved — 188h
[ ATRQ ]
Asynchronous context command pointer CommandPtr 18Ch
Reserved — 190h–19Ch
Asynchronous context control
ContextControlSet 1A0h
Asychronous
As
y
nchrono
u
s
conte
x
t
control
ContextControlClear 1A4h
Asychronous
Response Transmit
Reserved — 1A8h
[ ATRS ]
Asynchronous context command pointer CommandPtr 1ACh
Reserved — 1B0h–1BCh
Asynchronous context control
ContextControlSet 1C0h
Asychronous
As
y
nchrono
u
s
conte
x
t
control
ContextControlClear 1C4h
Asychronous
Request Receive
Reserved — 1C8h
[ ARRQ ]
Asynchronous context command pointer CommandPtr 1CCh
Reserved — 1D0h–1DCh
Asynchronous context control
ContextControlSet 1E0h
Asychronous
As
y
nchrono
u
s
conte
x
t
control
ContextControlClear 1E4h
Asychronous
Response Receive
Reserved — 1E8h
[ ARRS ]
Asynchronous context command pointer CommandPtr 1ECh
Reserved — 1F0h–1FCh
Isochronous transmit context control
ContextControlSet 200h + 16*n
Ih
Isochrono
u
s
transmit
conte
x
t
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 — 280h – 3FCh
Isochronous receive context control
ContextControlSet 400h + 32*n
Ih
Isochrono
u
s
recei
v
e
conte
x
t
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
Context match ContextMatch 410h + 32*n