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KD80 Datasheet(PDF) 2 Page - Kingbright Corporation |
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KD80 Datasheet(HTML) 2 Page - Kingbright Corporation |
2 / 12 page King Billion Electronics Co., Ltd 駿 億 電 子 股 份 有 限 公 司 KD80 LCD Segment Extender October 31, 2003 2 V1.0 This specification is subject to change without notice. Please contact sales person for the latest version before use. 1. General Description KD80 is a member of peripheral IC series developed by King Billion Electronics Co. It is a black and white LCD Segment Extender. This chip must be used with KB’s Type III or Type IV LCD Driver. This chip interfaces with KB’s MCU with provisions of Segment Extender Interface LFR and LDL. KB’s MCUs control KD80 through a command interface. The MCU can read/write display patterns to graphic mode display RAM by first setting up the target address, selecting the driver configuration, and then enabling the driver. KD80 can support four different configurations: 32 COM, 48 COM, 64 COM and 80 COM selectable by command register. The KD80 uses some of the memory as display RAM, while the memory not used for display can be access as general-purpose memory. 2. Features 80 output LCD segment driver. Operating Range: 2.4V ~ 5.5V LCD Operating Voltage: < 9.0V Four LCD Configurations: 32, 48, 64, or 80 COM. Built-in dual-port display RAM: 2K bytes Command mode interface. Spare RAM for general purpose. 3. Pin Description KDS80 1 2 3 4 5 6 7 8 51 52 53 54 55 56 57 58 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG69 SEG68 SEG67 SEG66 SEG65 SEG64 SEG63 SEG62 Pin # Pin Name I/O Description 41..101 1..19 SEG[79..0] O LCD Segment Outputs 20 LVP I Charge Pump Output. These input pins must wire with master IC respectively. That means LVP with LVP, LVL5 with LVL5, …, LDL with LDL. Please refer application circuit for details. 21 LVL5 I LCD Bias Voltage 5 22 LVL3 I LCD Bias Voltage 3 23 LVL2 I LCD Bias Voltage 2 24 LFR I LCD frame. 25 LDL I LCD data load. 26 REN I For RAM or Command Register Read/Write enable(0). This pin can be fixed at low. 27 R_WN I Read(1)/write(0) selection. KD80 |
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