5 Wire Single Chip USB Controller

Controller für GFG Touches

Wir liefern für nahe zu jede Anwendung einen passenden Controller.Mehr erfahren Im Folgenden finden Sie eine ausführliche technische Dokumentation unserer 5-Draht Single Chip Ic Controller für unsere patentierte GFG ULTRA Technologie in englischer Sprache:

Basic description

5 Draht Touchscreen Controller Diagramm

Hardware Specification

  • Package :MLP-28
  • Package Dimension:5 mm X 5 mm X 0.9 mm
  • Supplied Voltage: 3.3 (2.7 ~ 3.6) VDC, 50 mVpp maximum ripple
  • Power consumption: max. 75 mA
  • Max. report rate: 200 pps(RS232)/250 pps(USB)
  • Response time: max. 25 ms
  • A/D resolution: 11 bits
  • Good package: Tube

Firmware Specification

The C8051F321-GM microprocessor is applied for the controller module. The firmware in this chip controls the Touch down detection, button status detection.

The firmware characteristics

  • Operation System: No operation system is required
  • Protocol: RS232 8N1, 9600 Baud/USB 1.1 Low Speed/USB 2.0 Full Speed/ PS2 compatible mouse
  • Data package format: the protocols can be classified into 2 groups: Diagnostics Packet and Report Packet

Analog Peripherals

5 Draht Touchscreen Controller Block Diagramm
  • 10-Bit ADC
  • ±1 LSB INL; no missing codes
  • Programmable throughput up to 200 ksps
  • Up to 13 external inputs; programmable as single-ended or differential
  • Built-in temperature sensor (±3 °C)
  • Two Comparators
  • Internal Voltage Reference: 2.4 V
  • POR/Brown-out Detector
  • USB Function Controller
  • USB specification 2.0 compliant
  • Full-speed (12 Mbps) or low-speed (1.5 Mbps) operation
  • Integrated clock recovery; no external crystal required for either fullspeed or low-speed operation
  • Supports eight flexible endpoints
  • Dedicated 1 kB USB buffer memory
  • Integrated transceiver; no external resistors required On-Chip Debug
  • On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)
  • Provides breakpoints, single stepping
  • Inspect/modify memory, registers, and USB memory
  • Superior performance to emulation systems using ICE-chips, target pods, and sockets
  • Operating Voltage: 2.7 to 5.25 V
  • Temperature Range: -40 to +85 °C

High-Speed 8051 uC Core

  • Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
  • Up to 25 MIPS throughput with 25 MHz Clock
  • Expanded interrupt handler Memory
  • 1280 bytes data RAM
  • 16 kB Flash; in-system programmable in 512-byte sectors (512 bytes are reserved)

Digital Peripherals

  • 21 port I/O; all are 5 V tolerant
  • Hardware SMBus™ (I2C™ compatible), SPI™, and UART serial ports available concurrently
  • Programmable 16-bit counter/timer array with five capture/compare modules
  • 4 general-purpose 16-bit counter/timers Clock Sources
  • Internal oscillator: 0.25% accuracy with clock recovery enabled; supports all USB and UART modes
  • External oscillator: Crystal, RC, C, or Clock
  • On-chip clock multiplier for USB controller

Voltage Regulator

  • On-chip voltage regulator supports USB bus-powered operation
  • Regulator bypass mode supports USB self-powered operation Package
  • 28-pin QFN (lead-free package)
5 Draht Controller Pinout