參數(shù)資料
型號: P95020NQG
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 19/169頁
文件大?。?/td> 4297K
代理商: P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
115
2011 Integrated Device Technology, Inc.
ADC AND TSC MODULE
The IDTP95020 includes a Touch Screen Controller and a General Purpose ADC. These functions make use of external I/O
that can also be used as General Purpose I/O (GPIO) when the Touch Screen Controller and General Purpose ADC are not in
use. This section describes the operation of the Touch Screen Controller.
Features
ADC – Analog to Digital Converter
- 12-bit 62.5 ksps successive approximation ADC
measures 8 channels
- User-programmable conversion parameters
- Auto shut-down between conversions
TSC – Touch Screen Controller
- 4-wire simple touch screen controller
- Screen touch detection and interrupt generation
- Automatic (master) mode for touch location
measurement
Description
operates in two modes: Touch Screen Mode and General
Purpose ADC Mode. In Touch Screen Mode there are
four input pins reserved for the 4-wire resistive touch
screen outputs and a pen-down status signal is available
to notify the host processor. In General Purpose ADC
Mode, the pins used to connect the touchscreen in
Touchscreen Mode are used as general purpose analog
signal inputs.
Figure 37 – ADC and Touchscreen Controller Block Diagram
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