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Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 User Manual

Page 183

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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 Transmit

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