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參數資料
型號: ISP1109BS
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Universal Serial Bus transceiver with carkit support
中文描述: LINE TRANSCEIVER, PQCC32
封裝: LEAD FREE, 5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT617-1, HVQFN-32
文件頁數: 11/59頁
文件大?。?/td> 295K
代理商: ISP1109BS
9397 750 13355
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
11 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
7.7 Audio switches
The audio switches provide low impedance path for analog audio signals to be multiplexed
on the DP and DM lines, or loopback between the MIC and SPKR lines.
There are five analog switches that are controlled by register bits. The impedance of the
switches will be between 50
and 150
.
Table 5
shows the relation between the control
bits and the switches.
Figure 5
shows the audio switches.
7.8 ISET detector
The ISET detector will set the ISET pin HIGH when either of the following conditions is
met:
ID > V
th(ID_FM)
, V
CC
> V
th(ISET)
and V
BUS
> V
th(svc)
DP and DM SE1 detected, V
CC
> V
th(ISET)
and V
BUS
> V
th(svc)
.
The DP and DM SE1 detector will time the length of the SE1 condition. The timer value is
programmable using register bit TMR_SE1. The timer ranges from 0 ms to 15 ms, with
1 ms interval.
The ID > V
th(ID_FM)
detector, and the SE1 detector (with timer) requires bias current.
In Power-down mode, the bias current is turned off to minimize current I
CC
. The bias
current needs to be enabled so that the ISET detector can function as described earlier.
If the Power-down is because V
CC(I/O)
is disconnected, the bias will be enabled if the
V
BUS
voltage goes above the SESS_VLD threshold.
Table 5:
AUDIO_EN
0
1
1
Audio switch control
AUDIO_MONO
X
0
1
S1
off
on
off
S2
off
off
on
S3
off
on
off
Fig 5.
Audio switches.
004aaa518
DP
DM
S1
S2
S3
SPKR_R
MIC
SPKR_L
SW_MIC_
SPKR_R
SW_MIC_
SPKR_L
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相關代理商/技術參數
參數描述
ISP1109BS,118 功能描述:射頻收發器 USB FS TRANSCVR RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式: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
ISP1109BS,151 功能描述:射頻收發器 DO NOT USE ORDER -T PART RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式: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
ISP1109BS,157 功能描述:射頻收發器 DO NOT USE ORDER -T PART RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式: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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ISP1109BS-S 功能描述:IC TXRX SERIAL BUS UNIV 32HVQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP(0.300",7.62mm) 供應商設備封裝:16-PDIP 包裝:管件
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