參數(shù)資料
型號(hào)： ISP1160BM
廠商： NXP SEMICONDUCTORS
元件分類： 總線控制器
英文描述： Embedded Universal Serial Bus Host Controller
中文描述： 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(yè)數(shù)： 32/88頁(yè)
文件大小： 2044K
代理商： ISP1160BM
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 04 — 04 July 2003
32 of 88
9397 750 11371
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
9.8 Overcurrent detection and power switching control
A downstream port provides 5 V power supply to V
BUS
. The ISP1160 has built-in
hardware functions to monitor the downstream ports loading conditions and control
their power switching. These hardware functions are implemented by the internal
power switching control circuit and overcurrent detection circuit. H_PSW1_N and
H_PSW2_N are power switching control output pins (active LOW, open-drain) for
downstream ports 1 and 2, respectively. H_OC1_N and H_OC2_N are overcurrent
detection input pins for downstream ports 1 and 2, respectively.
Figure 25
shows the ISP1160 downstream port power management scheme.
Using either internal or external 15 k
resistors.
Fig 24. Use of 15 k
pull-down resistors on downstream ports.
004aaa064
22
22
bit 12
HcHardware
Configuration
ISP1160
USB
connector
D
D
+
VBUS
internal
15 k
(2
×
)
external
15 k
(2
×
)
47 pF
(2
×
)
’n’ represents the downstream port numbers (n = 1 or 2).
Fig 25. Downstream port power management scheme.
004aaa065
1
≥
0
Reg
bit 10
PSW
OC select
OC detect
regulator
H_OCn_N
H_PSWn_N
HC CORE
C/L
ISP1160
VCC
(
+
5 V or
+
3.3 V)
HcHardware
Configuration
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1160BM,557 功能描述:USB 接口集成電路 USB 1.1 HOST CONTROLLER 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
ISP1160BM/01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
ISP1160BM/01,118 功能描述:USB 接口集成電路 USB HOST CTRL 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
ISP1160BM/01,151 功能描述:USB 接口集成電路 DO NOT USE ORDER -T OR NO "-" 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
ISP1160BM/01,157 功能描述:USB 接口集成電路 USB FULL SPEED HOST 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
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