产品特点 Features

• Single-chip LCD controller and driver
• 34 row and 128 column outputs
• Display data RAM 34 × 128 bits
• 128 icons (last row is used for icons)
• Fast-mode I²C-bus interface (400 kbit/s)
• Software selectable multiplex rates: 1:17, 1:26, and 1:34
• Icon mode with multiplex rate 1:2:
  • Featuring reduced current consumption while displaying icons only
• On-chip:
  • Generation of VLCD (external supply also possible)
  • Selectable linear temperature compensation
  • Oscillator requires no external components (external clock also possible)
  • Generation of intermediate LCD bias voltages
  • Power-On Reset (POR)
• No external components required
• Software selectable bias configuration
• Logic supply voltage range VDD1 to VSS1: 1.8 V to 5.5 V
• Supply voltage range for on-chip voltage generator VDD2 and VDD3 to VSS1 and VSS2: 2.5 V to 4.5 V
• Display supply voltage range VLCD to VSS:
  • Normal mode: 4 V to 9 V
  • Icon mode: 3 V to 9 V
• Low-power consumption, suitable for battery operated systems
• CMOS compatible inputs
• Manufactured in silicon gate CMOS process

应用

• Telecommunication systems
• Automotive information systems
• Point-of-sale terminals
• Instrumentation

功能框图