參數(shù)資料
型號(hào): ISP1761ET,518
廠商: ST-ERICSSON
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA128
封裝: 9 X 9 MM, 0.80 MM HEIGHT, PLASTIC, MO-195, SOT857-1, TFBGA-128
文件頁數(shù): 136/164頁
文件大?。?/td> 767K
代理商: ISP1761ET,518
ISP1761_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 13 March 2008
72 of 163
NXP Semiconductors
ISP1761
Hi-Speed USB OTG controller
30 to 29 Mult[1:0]
SW — writes
-
Multiplier: This eld is a multiplier counter used by the host controller
as the number of successive packets the host controller may submit
to the endpoint in the current execution.
Set this eld to 01b. You can also set it to 11b and 10b depending on
your application. 00b is undened.
28 to 18 MaxPacket
Length[10:0]
SW — writes
-
Maximum Packet Length: This eld indicates the maximum number
of bytes that can be sent to or received from the endpoint in a single
data packet.
17 to 3
NrBytesTo
Transfer[14:0]
SW — writes
-
Number of Bytes to Transfer: This eld indicates the number of
bytes that can be transferred by this data structure. It is used to
indicate the depth of the DATA eld (32 kB
1 B).
2 to 1
reserved
-
0V
SW — sets
HW — resets
-
Valid:
0 — This bit is deactivated when the entire PTD is executed, or when
a fatal error is encountered.
1 — Software updates to one when there is payload to be sent or
received. The current PTD is active.
Table 68.
High-speed interrupt IN and OUT: bit description …continued
Bit
Symbol
Access
Value Description
Table 69.
Microframe description
b
Rate
Frame[7:3]
SA[7:0]
11
SOF
0 0000
1111 1111
22
SOF
0 0000
1010 1010 or 0101 0101
34
SOF
0 0000
any 2 bits set
4
1 ms
0 0000
any 1 bit set
5
2 ms
0 0001
any 1 bit set
6
4 ms
0 0010 to 0 0011
any 1 bit set
7
8 ms
0 0100 to 0 0111
any 1 bit set
8
16 ms
0 1000 to 0 1111
any 1 bit set
9
32 ms
1 0000 to 1 1111
any 1 bit set
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