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LC86F3448B Datenblatt(PDF) 2 Page - Sanyo Semicon Device |
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LC86F3448B Datenblatt(HTML) 2 Page - Sanyo Semicon Device |
2 / 21 page LC86F3448B No.A0120-2/21 Continued from preceding page. • Integrated system clock generator and display clock generator Only one X’tal oscillator (32.768kHz) for PLL reference is used for both generators All of the above functions are fabricated on a single chip. The program is rewritable by using the on-board writing system after the LSI has been installed on the application board. The LC86F3448B change to LC863500 series by writing program data of LC863500 series into the Flash Memory Features Built-in Flash Memory 64K bytes • Program ROM 48K bytes • Character ROM 16K bytes • Rewritable in page units 128 bytes / page • Page erase / program cycle 100 cycle per page (Ta=25 ±2°C) Random Access Memory (RAM) 640 × 8 bits (including 128 bytes for ROM correction function) 352 × 9 bits (for CRT display) The LC86F3448B consists of 48K bytes of Program ROM space and 640 bytes of RAM space. For this microcontroller, the usable program ROM capacity and RAM capacity are the same size for the mask ROM version. Mask ROM versions compatible with the LC86F3448B Program ROM limit set for the LC86F3448B RAM limit set for the LC86F3448B (including 128 bytes for the ROM correction function) LC863448 / LC863548 49152 bytes 640 bytes LC863440 / LC863540 40960 bytes 640 bytes LC863432 / LC863532 32768 bytes 512 bytes LC863428 / LC863528 28672 bytes 512 bytes LC863424 / LC863524 24576 bytes 512 bytes LC863420 / LC863520 20480 bytes 512 bytes LC863416/ LC863516 16384 bytes 512 bytes When using on-board rewriting system is selected by the option, the rewriting program (loader program) is allocated in the last 2K-byte of the memory ,following to 46K-byte (B800h) OSD Functions • Screen display : 36 characters×16 lines (by software) • RAM : LC863400 series : 352 words (9 bits per word) Display area : 36 words ×8 lines Control area : 8 words ×8 lines LC863500 series : 176 words (9 bits per word) Display area : 36 words ×4 lines Control area : 8 words ×4 lines • Characters Up to 252 kinds of 16 ×32 dot character fonts (4 characters including 1 test character are not programmable) Each font can be divided into two parts and used as two fonts (Ex. 16 ×16 dot character font×2) At least 111 characters need to be divide between a 16 ×18 dot and 8×9 dot character font to display the caption fonts. • Various character attributes Character colors : 16colors (analog mode: lVp-p output ) / 8colors (digital mode) Character background colors : 16colors (analog mode: lVp-p output ) / 8colors (digital mode) Fringe / shadow colors : 16colors (analog mode: lVp-p output ) / 8colors (digital mode) Full screen colors : 16colors (analog mode: lVp-p output ) / 8colors (digital mode) Rounding Underline Italic character (slanting) • Attribute can be changed without spacing |
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