參數(shù)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(shù): 118/137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
80 of 136
9397 750 13961
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Size bits of an enabled endpoint (FFOSZ[3:0])
Isochronous bit of an enabled endpoint (FFOISO).
Remark: Register changes that affect the allocation of the shared FIFO storage
among endpoints must not be made while valid data is present in any FIFO of the
enabled endpoints. Such changes will render all FIFO contents undened.
Each programmable FIFO can be congured independently via its ECR, but the total
physical size of all enabled endpoints (IN plus OUT) must not exceed 2462 bytes
(512 bytes for non-isochronous FIFOs).
Table 68 shows an example of a conguration tting in the maximum available space
of 2462 bytes. The total number of logical bytes in the example is 1311. The physical
storage capacity used for double buffering is managed by the device hardware and is
transparent to the user.
Table 67:
Programmable FIFO size
FFOSZ[3:0]
Non-isochronous
Isochronous
0000
8 bytes
16 bytes
0001
16 bytes
32 bytes
0010
32 bytes
48 bytes
0011
64 bytes
0100
reserved
96 bytes
0101
reserved
128 bytes
0110
reserved
160 bytes
0111
reserved
192 bytes
1000
reserved
256 bytes
1001
reserved
320 bytes
1010
reserved
384 bytes
1011
reserved
512 bytes
1100
reserved
640 bytes
1101
reserved
768 bytes
1110
reserved
896 bytes
1111
reserved
1023 bytes
Table 68:
Memory conguration example
Physical size
(bytes)
Logical size
(bytes)
Endpoint description
64
control IN (64-byte xed)
64
control OUT (64-byte xed)
2046
1023
double-buffered 1023-byte isochronous endpoint
16
16-byte interrupt OUT
16
16-byte interrupt IN
128
64
double-buffered 64-byte bulk OUT
128
64
double-buffered 64-byte bulk IN
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