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8−3
Table 8−1. 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 — 190h−19Ch
Asynchronous context control
ContextControlSet 1A0h
Asynchronous
Asynchronous context control
ContextControlClear 1A4h
Asynchronous
Response Transm
it
Reserved — 1A8h
Response Transmit
[ ATRS ]
Asynchronous context command pointer CommandPtr 1ACh
[ ATRS ]
Reserved — 1B0h−1BCh
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 — 1D0h−1DCh
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 — 1F0h−1FCh
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 — 210h−3FCh
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