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Features 28 Current Limited Segment Outputs Provide 4-Digit Non-Multiplexed Direct LED Drive at >5mA Per Segment Brightness Input Allows Direct Control of LED Segment Current With a Single Potentiometer or Digitally as a Display Enable ICM7212AM Device Provides Same Input Configuration and Output Decoding Options as the ICM7211AM

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 BRT - Brightness 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 DA1 - Digit Address Bit 1 32 DA2 - Digit Address Bit 2 33 CS1 - Chip Select 1 34 CS2 - Chip Select 2 35 Vss - Negative Power Supply 36 Vss - Negative Power Supply 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