LC86F3448B Datasheet, PDF (2/21 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC86F3448B
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
• Character ROM
• Rewritable in page units
• Page erase / program cycle
48K bytes
16K bytes
128 bytes / page
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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