參數(shù)資料
型號: 935270538118
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 47/93頁
文件大?。?/td> 2118K
代理商: 935270538118
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 03 — 27 February 2003
51 of 89
9397 750 10765
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Code (Hex): 12 — read
Code (Hex): 92 — write
10.3.2
HcRhDescriptorB register (13H—Read, 93H—Write)
The HcRhDescriptorB register is the second register of two describing the
characteristics of the Root Hub. These elds are written during initialization to
correspond with the system implementation. Reset values are
implementation-specic (IS).
Table 30:
HcRhDescriptorB register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
reserved
Reset
N/A
Access
RRRRRRRR
Bit
23
22
21
20
19
18
17
16
Symbol
reserved
PPCM[2:0]
Reset
N/A
IS
Access
RRRRR
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
reserved
Reset
N/A
Access
RRRRRRRR
Bit
7
6
5
4
3
2
1
0
Symbol
reserved
DR[2:0]
Reset
N/A
IS
Access
RRRRR
R/W
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