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| 型號： | ISP1301 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal Serial Bus On-The-Go transceiver |
| 中文描述： | 通用串行總線在- The - Go的收發(fā)器 |
| 文件頁數(shù)： | 7/46頁 |
| 文件大小： | 245K |
| 代理商： | ISP1301 |
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Philips Semiconductors
ISP1301
USB OTG transceiver
Product data
Rev. 01 — 14 April 2004
7 of 46
9397 750 11355
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
8.
Functional description
8.1 Serial controller
The serial controller includes the following functions:
I
2
C-bus slave interface
Interrupt generator
Mode Control registers
OTG registers
Interrupt related registers
Device identification registers.
The serial controller acts as an I
2
C-bus slave, and uses the SCL and SDA pins to
communicate with the OTG controller.
For more details on serial controller, see
Section 11
.
8.2 V
BUS
charge pump
The charge pump supplies current to the V
BUS
line. It can operate in any of the
following modes:
Output 5 V at current greater than 8 mA
Pull-up V
BUS
to 3.3 V through a resistor (R
VBUS(PU)
) for initiating V
BUS
pulsing SRP
Pull-down V
BUS
to ground through a resistor (R
VBUS(PD)
) for discharging V
BUS
before initiating SRP.
8.3 V
BUS
comparators
V
BUS
comparators provide indications regarding the voltage level on V
BUS
.
8.3.1
V
BUS
valid comparator
This comparator is used by an A-device to determine whether or not the voltage on
V
BUS
is at a valid level for operation. The minimum threshold for the V
BUS
valid
comparator is 4.4 V. Any voltage on V
BUS
below this threshold is considered to be a
fault. During power up, it is expected that the comparator output will be ignored.
8.3.2
Session valid comparator
The session valid comparator is a TTL-level input that determines when V
BUS
is high
enough for a session to start. Both the A-device and the B-device use this comparator
to detect when a session is being started. The A-device also uses this comparator to
indicate when a session is completed. The session valid threshold of the ISP1301 is
between 0.8 V and 2.0 V.
8.3.3
Session end comparator
The session end comparator determines when V
BUS
is below the B-device session
end threshold of 0.2 V to 0.8 V.
相關PDF資料 |
PDF描述 |
|---|---|
| ISP1301BS | Universal Serial Bus On-The-Go transceiver |
| ISP1362 | Single-chip Universal Serial Bus On-The-Go controller |
| ISP1362BD | Single-chip Universal Serial Bus On-The-Go controller |
| ISP1362EE | Single-chip Universal Serial Bus On-The-Go controller |
| ISP1501 | Hi-Speed Universal Serial Bus peripheral transceiver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1301BS | 功能描述:IC USB OTG TRANSCEIVER 24-HVQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:1,000 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISP1301BS,115 | 功能描述:射頻收發(fā)器 USB OTG TRANSCEIVER RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| ISP1301BS,118 | 功能描述:射頻收發(fā)器 DO NOT USE ORDER -G OR -S PART RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| ISP1301BS,151 | 功能描述:射頻收發(fā)器 USB OTG TRANSCEIVER RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| ISP1301BS,157 | 功能描述:射頻收發(fā)器 DO NOT USE ORDER -G OR -S PART RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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