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SC16315 Datasheet(PDF) 5 Page - Silan Microelectronics Joint-stock |
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SC16315 Datasheet(HTML) 5 Page - Silan Microelectronics Joint-stock |
5 / 11 page SC16315 Pin No. Pin Name Description 31~38 Seg17/Grid12 to Seg24/Grid5 High-voltage output (segment/grid). Segment or grid driving. 1 ~4 LED1 to LED4 LED output pin. CMOS output. +20mA max. 10 ~ 11 KEY1 to KEY2 Key data input. Data input to these pins is latched at the end of the display cycle. 13, 43 VDD Logic power pin. 5V ±10% 12, 44 VSS Logic ground. Connect this pin to system GND. 30 VEE Pull-down level. VDD-35V max. FUNCTIONAL DESCRIPTION 1. DISPLAY RAM ADDRESS AND DISPLAY MODE The display RAM stores the data transmitted from an external device to the SC16315 through the serial interface, and is assigned addresses as follows, in 8 bits unit: Seg1 Seg4 Seg8 Seg12 Seg16 Seg20 Seg24 00HL 00HU 01HL 01HU 02Hv 02HU DIG1 03HL 03HU 04HL 04HU 05HL 05HU DIG2 06HL 06HU 07HL 07HU 08HL 08HU DIG3 09HL 09HU 0AHL 0AHU 0BHL 0BHU DIG4 0CHL 0CHU 0DHL 0DHU 0EHL 0EHU DIG5 0FHL 0FHU 10HL 10HU 11HL 11HU DIG6 12HL 12HU 13HL 13HU 14HL 14HU DIG7 15HL 15HU 16HL 16HU 17HL 17HU DIG8 18HL 18HU 19HL 19HU 1AHL 1AHU DIG9 1BHL 1BHU 1CHL 1CHU 1DHL 1DHU DIG10 1EHL 1EHU 1FHL 1FHU 20HL 20HU DIG11 21HL 21HU 22HL 22HU 23HL 23HU DIG12 b0 b3 b4 b7 XXHL XXHU Lower 4 bits Higher 4 bits 2. KEY MATRIX AND KEY-INPUT DATA STORAGE RAM The key matrix is made up of a 16 x 2 matrix, as shown below. KEY1 KEY2 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.0 2008.12.16 Http: www.silan.com.cn Page 5 of 11 |
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