參數(shù)資料
型號: ISP1761BE
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Hi-Speed Universal Serial Bus On-The-Go controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT425-1, LQFP-128
文件頁數(shù): 112/158頁
文件大?。?/td> 724K
代理商: ISP1761BE
9397 750 13258
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 12 January 2005
112 of 158
Philips Semiconductors
ISP1761
Hi-Speed USB OTG controller
[1]
The reserved bits should always be written with the reset value.
Each programmable FIFO can be independently configured through its Endpoint
MaxPacketSize register (R/W: 04h), but the total physical size of all enabled endpoints (IN
plus OUT) must not exceed 8192 B.
Table 114: Endpoint MaxPacketSize register: bit allocation
Bit
15
Symbol
reserved
[1]
Reset
0
Bus reset
0
Access
R/W
Bit
7
Symbol
Reset
0
Bus reset
0
Access
R/W
14
13
12
11
10
9
8
NTRANS[1:0]
0
0
R/W
4
FFOSZ[7:0]
0
0
R/W
FFOSZ[10:8]
0
0
R/W
1
0
0
0
0
0
0
0
0
0
0
R/W
6
R/W
5
R/W
3
R/W
2
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Table 115: Endpoint MaxPacketSize register: bit description
Bit
Symbol
Description
15 to 13
-
reserved
12 to 11
NTRANS[1:0]
Number of Transactions
. HS mode only.
00 —
1 packet per microframe
01 —
2 packets per microframe
10 —
3 packets per microframe
11 —
reserved.
These bits are applicable only for isochronous or interrupt
transactions.
10 to 0
FFOSZ[10:0]
FIFO Size
: Sets the FIFO size, in bytes, for the indexed endpoint.
Applies to both high-speed and full-speed operations (see
Table 116
).
Table 116: Programmable FIFO size
NTRANS[1:0]
0h
0h
0h
0h
0h
0h
0h
2h
FFOSZ[10:0]
08h
10h
20h
40h
80h
100h
200h
400h
Non-isochronous
8 B
16 B
32 B
64 B
128 B
256 B
512 B
-
Isochronous
-
-
-
-
-
-
-
3072 B
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