8−43
8.45 Isochronous Receive Context Command Pointer Register
The isochronous receive context command pointer register contains a pointer to the address of the first descriptor
block that the PCI7x21/PCI7x11 controller accesses when software enables an isochronous receive context by
setting bit 15 (run) in the isochronous receive context control register (see Section 8.44) to 1. The n value in the
following register addresses indicates the context number (n = 0, 1, 2, 3).
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name Isochronous receive context command pointer
Type RRRRRRRRRRRRRRRR
Default XXXXXXXXXXXXXXXX
Bit 15 14 13 12 11 109876543210
Name Isochronous receive context command pointer
Type RRRRRRRRRRRRRRRR
Default XXXXXXXXXXXXXXXX
Register: Isochronous receive context command pointer
Offset: 40Ch + (32 * n)
Type: Read-only
Default: XXXX XXXXh