参数资料
型号: ISP1561BM,557
厂商: ST-ERICSSON
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封装: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件页数: 79/103页
文件大小: 457K
代理商: ISP1561BM,557
ISP1561_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 5 March 2007
77 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
11.4.7 ASYNCLISTADDR register (address: content of the base address register +
24h)
This 32-bit register (bit allocation: Table 114) contains the address of the next
asynchronous queue head to be executed. If the Host Controller is in 64-bit mode, as
indicated by logic 1 in 64AC (64-bit Addressing Capability) eld in the HCCPARAMS
register, the most signicant 32 bits of every control data structure address comes from
the CTRLDSSEGMENT register. Bits 4 to 0 of this register always return zeros when read.
The memory structure referenced by the physical memory pointer is assumed to be
32 bytes (cache aligned).
Table 112. PERIODICLISTBASE register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
BA[19:12]
Reset
00000000
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
BA[11:4]
Reset
00000000
Access
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
BA[3:0]
reserved
Reset
00000000
Access
R/W
----
Bit
7
6
5
4
3
2
1
0
Symbol
reserved
Reset
00000000
Access
--------
Table 113. PERIODICLISTBASE register: bit description
Bit
Symbol
Description
31 to 12
BA[19:0]
Base Address: These bits correspond to memory address signals 31 to 12,
respectively.
11 to 0
-
reserved
Table 114. ASYNCLISTADDR register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
LPL[26:19]
Reset
00000000
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
LPL[18:11]
Reset
00000000
Access
R/W
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