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LC868008A Datasheet(PDF) 2 Page - Sanyo Semicon Device |
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LC868008A Datasheet(HTML) 2 Page - Sanyo Semicon Device |
2 / 28 page LC868016/12/08A No.6723-2/28 Features (1) Read Only Memory (ROM) : LC868016A 16384 × 8 bits : LC868012A 12288 × 8 bits : LC868008A 8192 × 8 bits (2) Random Access Memory (RAM) : 512 × 8 bits (calculation area) 128 × 8 bits (display area) (3) Bus Cycle Time / Instruction Cycle Time Bus cycle time Instruction cycle time System clock oscillation Oscillation frequency Voltage Note 12MHz OCR7=0 0.5 µs 1 µs Ceramic (CF) 6MHz 4.5-6.0V OCR7=1 3MHz OCR7=0 2.0 µs 4 µs Ceramic (CF) 1.5MHz 2.5-6.0V OCR7=1 7.5 µs 15 µs OCR7=0 3.8 µs 7.5µs Internal RC 800kHz 2.5-6.0V OCR7=1 183 µs 366 µs OCR7=0 91.5 183 µs Crystal (XTAL) 32.768kHz 2.5-6.0V OCR7=1 * Bus cycle time means ROM-read period. OCR7 : Bit-7 of the oscillation control register. (4) Ports - Input / output ports : 6 ports (47 terminals) Input/output port programmable in a nibble : 1 port (8 terminals) Input/output port programmable every function unit : 1 port (7 terminals) Input/output port programmable in a bit : 4 ports (32 terminals) - Input port : 1 port (4 terminals) - Ports at external memory mode 1. External Latch Port 0 : Address output of lower 8-bit, input/output of data Port 2 : Address output of upper 8-bit Port 5 : Bank address output 2. No External Latch Port 0 : Input/output of data Port 3 : Address output of lower 8-bit Port 2 : Address output of upper 8-bit Port 5 : Bank address output (Set whether the external latch is used or not by program.) - LCD segment driver output ports : 48 terminals (Function change available : segment/common) - LCD common driver output ports : 16 terminals (1/64 duty maximum : at using segment output ports as common output by mask option) (5) External memory access - External program memory access function External program memory capacity : 64K bytes Programable switch internal program/external program (At initial : Internal program) Enable/disable control of external program --> internal program memory switch |
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