Datasheet

TUSB7320, TUSB7340
SLLSE76E–MARCH 2011– REVISED JULY 2011 www.ti.com
6.4.4 Event Ring Segment Table Size Register
The TUSB73X0 implements 8 Event Ring Segment Table Size Registers, one for each Interrupter
implemented.
Runtime Base register offset:28h + (20h*Interrupter), where Interrupter = 0 through 7
Register type:Read-Only,Read/Write
Default value: 0000 0000h
Table 6-46. HC Runtime Register (Runtime Base + 28h + (20h*Interrupter)),
where Interrupter = 0 through 7
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Table 6-47. Event Ring Segment Table Size Register Description
Bit Field Name Access Description
31:16 RSVD r Reserved. Returns zeros when read.
15:0 ERSTS rw Event Ring Segment Table Size.
6.4.5 Event Ring Segment Table Base Address Register
The TUSB73X0 implements 8 Event Ring Segment Table Base Address Registers, one for each
Interrupter implemented.
Runtime Base register offset:30h + (20h*Interrupter), where Interrupter = 0 through 7
Register type:Read-Only,Read/Write
Default value: 0000 0000 0000 0000h
Table 6-48. HC Runtime Register (Runtime Base + 30h + (20h*Interrupter)),
where Interrupter = 0 through 7
Bit
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Bit
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
90 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011, Texas Instruments Incorporated
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Product Folder Link(s): TUSB7320 TUSB7340