Datasheet
4−3
Table 4−1. OHCI Register Map (Continued)
DMA CONTEXT REGISTER NAME ABBREVIATION OFFSET
Asynchronous context control
ContextControlSet 180h
Asychronous
Asynchronous context control
ContextControlClear 184h
Asychronous
request transmit
Reserved — 188h
request transmit
(ATRQ)
Asynchronous context command pointer CommandPtr 18Ch
Reserved — 190h−19Ch
Asynchronous context control
ContextControlSet 1A0h
Asychronous
Asynchronous context control
ContextControlClear 1A4h
Asychronous
response transmit
Reserved — 1A8h
response transmit
(ATRS)
Asynchronous context command pointer CommandPtr 1ACh
Reserved — 1B0h−1BCh
Asynchronous context control
ContextControlSet 1C0h
Asychronous
Asynchronous context control
ContextControlClear 1C4h
Asychronous
request receive
Reserved — 1C8h
request receive
(ARRQ)
Asynchronous context command pointer CommandPtr 1CCh
Reserved — 1D0h−1DCh
Asynchronous context control
ContextControlSet 1E0h
Asychronous
Asynchronous context control
ContextControlClear 1E4h
Asychronous
response receive
Reserved — 1E8h
response receive
(ARRS)
Asynchronous context command pointer CommandPtr 1ECh
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 — 280h−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