Intersil

ICM7211 - 4 Digit LCD Display Driver

Photograph

Features Four Digit Non-Multiplexed 7 Segment LCD Display Outputs with Backplane Driver Complete Onboard RC oscillator to Generate Backplane Frequency Backplane Input/Output Allows Simple Sychronization of Slave-devices to a Master ICM7211 Devices Provide Separate Digit Select Inputs to Accept Multiplexed BCD Input ICM7211M Devices Provide Data and Digit Address latched Controlled by Chip select Inputs to Provide a Direct High Speed Processor Interface ICM7211 Decodes Binary to Hexadecimal

Pin Description Pin Number Description 1 Vdd - Positive Power Supply 2 e1 - E Segment Character 1 3 g1 - G Segment Character 1 4 f1 - F Segment Character 1 5 BP - Backplane 6 a2 - A Segment Character 2 7 b2 - B Segment Character 2 8 c2 - C Segment Character 2 9 d2 - D Segment Character 2 10 e2 - E Segment Character 2 11 g2 - G Segment Character 2 12 f2 - F Segment Character 2 13 a3 - A Segment Character 3 14 b3 - B Segment Character 3 15 c3 - C Segment Character 3 16 d3 - D Segment Character 3 17 e3 - E Segment Character 3 18 g3 - G Segment Character 3 19 f3 - F Segment Character 3 20 a4 - A Segment Character 4 21 b4 - B Segment Character 4 22 c4 - C Segment Character 4 23 d4 - D Segment Character 4 24 e4 - E Segment Character 4 25 g4 - G Segment Character 4 26 f4 - F Segment Character 4 27 B0 - B0 Data Input 28 B1 - B1 Data Input 29 B2 - B2 Data Input 30 B3 - B3 Data Input 31 D1 - D1 Digit Select Inputs 32 D2 - D2 Digit Select Inputs 33 D3 - D3 Digit Select Inputs 34 D4 - D4 Digit Select Inputs 35 Vss - Negative Power Supply 36 OSC - Oscillator 37 a1 - A Segment Character 1 38 b1 - B Segment Character 1 39 c1 - C Segment Character 1 40 d1 - D Segment Character 1

Pin Layout Dimensional Drawing

Technical Data Data Sheet Harris - Data Sheet for ICM7211 N/A Application Notes