參數資料
型號: ISP1161A1BM,557
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64
文件頁數: 132/137頁
文件大?。?/td> 599K
代理商: ISP1161A1BM,557
Philips Semiconductors
ISP1161A1
USB single-chip host and device controller
Product data
Rev. 03 — 23 December 2004
93 of 136
9397 750 13961
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Transaction — write/read 1 word
13.1.2
DcAddress register (R/W: B7H/B6H)
This command is used to set the USB assigned address in the DcAddress register
and enable the USB device. The DcAddress register bit allocation is shown in
A USB bus reset sets the device address to 00H (internally) and enables the device.
The value of the DcAddress register (accessible by the microcontroller) is not altered
by the bus reset. In response to the standard USB request, Set Address, the rmware
must issue a Write Device Address command, followed by sending an empty packet
to the host. The new device address is activated when the host acknowledges the
empty packet.
Code (Hex): B6/B7 — write/read DcAddress register
Transaction — write/read 1 word
Table 76:
DcEndpointConguration register: bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
FIFOEN
EPDIR
DBLBUF
FFOISO
FFOSZ[3:0]
Reset
00000000
Access
R/W
Table 77:
DcEndpointConguration register: bit description
Bit
Symbol
Description
7
FIFOEN
A logic 1 indicates an enabled FIFO with allocated memory.
A logic 0 indicates a disabled FIFO (no bytes allocated).
6
EPDIR
This bit denes the endpoint direction (0 = OUT, 1 = IN); it also
determines the DMA transfer direction (0 = read, 1 = write).
5
DBLBUF
A logic 1 indicates that this endpoint has double buffering.
4
FFOISO
A logic 1 indicates an isochronous endpoint. A logic 0 indicates
a bulk or interrupt endpoint.
3 to 0
FFOSZ[3:0]
Selects the FIFO size according to Table 67
Table 78:
DcAddress register: bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
DEVEN
DEVADR[6:0]
Reset
00000000
Access
R/W
Table 79:
DcAddress register: bit description
Bit
Symbol
Description
7
DEVEN
A logic 1 enables the device.
6 to 0
DEVADR[6:0]
This eld species the USB device address.
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