參數(shù)資料
型號(hào): 935268625551
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(yè)數(shù): 60/82頁(yè)
文件大?。?/td> 1965K
代理商: 935268625551
Philips Semiconductors
ISP1581
Hi-Speed USB interface device
Product data
Rev. 05 — 26 February 2003
63 of 78
9397 750 10766
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
DREQ is asserted for every transfer.
Data strobe: DACK (read/write).
(1) Programmable polarity: shown as active LOW.
(2) Programmable polarity: shown as active HIGH.
Fig 22. GDMA slave mode timing (BURST = 01H, MODE = 02H).
td1
tw1
tsu1
th1
tsu2
td2
th2
Tcy1
(write) DATA[15:0]
(read) DATA[15:0]
DREQ (2)
DACK(1)
DIOR/DIOW(1)
MGT503
HIGH
tw2
t
h3
DREQ is asserted once per N transfers (N is determined by the BURST value). Example shown here: N = 2.
Data strobes: DIOR (read), DIOW (write).
(1) Programmable polarity: shown as active LOW.
(2) Programmable polarity: shown as active HIGH.
Fig 23. GDMA slave mode timing (BURST > 01H, MODE = 00H).
td1
tw1
tsu1
th1
tsu2
td2
th2
Tcy1
(write) DATA[15:0]
(read) DATA[15:0]
DREQ (2)
DACK(1)
DIOR/DIOW(1)
MGT504
tsu3
tw2
th3
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