- 您現在的位置：買賣IC網 > PDF目錄382720 > UCB1300 (NXP Semiconductors N.V.) Advanced modem/audio analog front-end PDF資料下載
參數資料
| 型號： | UCB1300 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Advanced modem/audio analog front-end |
| 中文描述： | 先進的調制解調器/音頻模擬前端 |
| 文件頁數： | 18/56頁 |
| 文件大?。?/td> | 1022K |
| 代理商： | UCB1300 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁當前第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁
1999 Jul 20
18
Philips Semiconductors
Preliminary specification
Advanced modem/audio analog front-end
UCB1300
can nevertheless be minimized by performing measurements when the LCD is quiet. This can be done by synchronizing
the measurement and the video driver with the ADCSYNC pin.
In addition to the measurements mentioned above, the touch screen can also act as an interrupt source. In this mode
the X plate of the touch screen has to be powered and the Y plate has to be grounded. In this case the touch screen is
not biased by the active touch screen bias circuit, but by a resistor to V
DDA1
. This configuration simply biases the touch
screen and the UCB1300 does not consume power unless the touch screen is touched. The voltage on the X plate
terminals drops if the screen is pressed. This voltage drop is detected by Schmitt-trigger circuits, of which the outputs
are connected to the interrupt control block. A touch screen interrupt is generated either when the touch screen is
pressed (falling edge enabled) or when the touch screen is released (rising edge enabled). It can be used to activate the
system around the UCB1300 to start a touch screen read-out sequence. The internal Schmitt-trigger circuits are
connected to the TSPX and TSMX signals after the built in low pass filters. This reduces the number of spurious
interrupts, due to the coupling between the LCD screen and the touch screen sensors.
Each of the four touch screen signals can be selected as input for the built in 10 bit ADC, which is used to determine the
voltage on the selected touch screen pin. The flexible switch matrix and the multi- functional touch screen bias circuit
enables the user of the UCB1300 to set each desired touch screen configuration.
The setting of the touch screen bias circuit and the ADC input multiplexer is determined by the setting of TSC_MOD[n]
in the touch screen control register according the following table.
Fig.12 Touch screen setup for interrupt detection.
Vdda
Rint
schmitt trigger
tspx
tsmx
tspy
tsmy
schmitt trigger
相關PDF資料 |
PDF描述 |
|---|---|
| UCB1300BE | Advanced modem/audio analog front-end |
| UCB1400BE | Audio codec with touch screen controller and power management monitor |
| UCB1400 | Audio codec with touch screen controller and power management monitor |
| UCB1500 | PCI to AC97 bridge/host controller |
| UCC1913D | Very low drop voltage regulators with inhibit |
相關代理商/技術參數 |
參數描述 |
|---|---|
| UCB1300BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1400 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor |
| UCB1400BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor |
| UCB1400BE,128 | 功能描述:接口—CODEC AUDIO CODEC WITH TOUCHSCREEN RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| UCB1400BE,151 | 功能描述:接口—CODEC AUDIO CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
發布緊急采購，3分鐘左右您將得到回復。