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參數(shù)資料
| 型號(hào)： | ISP1760 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hi-Speed Universal Serial Bus host controller for embedded applications |
| 中文描述： | 高速嵌入式應(yīng)用的通用串行總線主控制器 |
| 文件頁(yè)數(shù)： | 25/105頁(yè) |
| 文件大?。?/td> | 449K |
| 代理商： | ISP1760 |
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9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
25 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
Figure 7
shows the most commonly used power supply connection.
7.9 Power-on reset (POR)
When V
CC(5V0)
is directly connected to the RESET_N pin, the internal POR pulse width
(t
PORP
) will be typically 800 ns. The pulse is started when V
CC(5V0)
rises above V
TRIP
(1.2 V).
To give a better view of the functionality,
Figure 8
shows a possible curve of V
CC(5V0)
with
dips at t2–t3 and t4–t5. If the dip at t4–t5 is too short (that is, < 11
μ
s), the internal POR
pulse will not react and will remain LOW. The internal POR starts with a 1 at t0. At t1, the
detector will see the passing of the trip level and a delay element will add another t
PORP
before it drops to 0.
The internal POR pulse will be generated whenever V
CC(5V0)
drops below V
TRIP
for more
than 11
μ
s.
The RESET_N pin can be either connected to V
CC(I/O)
(using the internal POR circuit) or
externally controlled (by the microcontroller, ASIC, and so on).
Figure 9
shows the
availability of the clock with respect to the external POR.
Fig 7.
Most commonly used power supply connection.
004aaa534
V
CC(5V0)
, V
CC(I/O)
ISP1760
6, 7, 10,
40, 48, 59,
67, 75, 83,
94, 104, 115
V
REG(1V8)
85
10 μF
100 nF
100 nF
3.3 V
V
REG(1V8)
5, 50, 118
100 nF
V
REG(3V3)
9
10 μF
100 nF
(1) PORP = power-on reset pulse.
Fig 8.
Internal power-on reset timing.
004aaa584
V
CC(5V0)
t0
t1
t2
t3
t4
t5
V
TRIP
t
PORP
PORP
(1)
t
PORP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1761 | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP1761BE | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP1761ET | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP2100A | Telecommunication IC |
| ISP2100BN4 | Microprocessor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1760BE | 制造商:NXP Semiconductors 功能描述:CONTROLLER USB HOST SMD LQFP128 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP |
| ISP1760BE,518 | 功能描述:輸入/輸出控制器接口集成電路 USB HOST CONTROLLER RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| ISP1760BE,551 | 功能描述:輸入/輸出控制器接口集成電路 USB HS HOST CONTRLLR RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| ISP1760BE,557 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1760BE518 | 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP |
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