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Ordering number : ENN*6695 CMOS IC LC863332/28/24/20/16A 8-Bit Single Chip Microcontroller Preliminary Overview The LC863332/28/24/20/16A are 8-bit single chip microcontrollers with the following on-chip functional blocks: - CPU : Operable at a minimum bus cycle time of 0.424µs - On-chip ROM capacity Program ROM : 32K/28K/24K/20K/16K bytes CGROM : 16K bytes - On-chip RAM capacity : 512 bytes - OSD RAM : 352 Ч 9 bits - Five channels Ч 8-bit AD Converter - Three channels Ч 7-bit PWM - Two 16-bit timer/counters, 14-bit base timer - 8-bit synchronous serial interface circuit - IIC-bus compliant serial interface circuit (Multi-master type) - ROM correction function - 15-source 9-vectored interrupt system - Integrated system clock generator and display clock generator X'tal oscillator (32.768kHz) for PLL reference is used for TV control. All of the above functions are fabricated on a single chip. Ver.1.01 N1798 91400 RM (IM) HS No.6695-1/20 LC863332/28/24/20/16A Features (1) Read-Only Memory (ROM) : 32768 Ч 8 bits / 28672 Ч 8 bits / 24576 Ч 8 bits 20480 Ч 8 bits / 16384 Ч 8 bits for program 16128 Ч 8 bits for CGROM 512 Ч 8 bits (including 128 bytes for ROM correction function) 352 Ч 9 bits (for CRT display) (2) Random Access Memory (RAM) : (3) OSD functions - Screen display : 36 characters Ч 16 lines (by software) - RAM : 352 words (9 bits per word) Display area : 36 words Ч 8 lines Control area : 8 words Ч 8 lines - Characters Up to 252 kinds of 16 Ч 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 : a 16 Ч 17 dot and 8 Ч 9 dot character font - Various character attributes Character colors : 16 colors Character background colors : 16 colors Fringe / shadow colors : 16 colors Full screen colors : 16colors Rounding Underline Italic character (slanting) - Attribute can be changed without spacing - Vertical display start line number can be set for each row independently (Rows can be overlapped) - Horizontal display start position can be set for each row independently - Horizontal pitch (bit 9 - 16)*1 and vertical pitch (bit-32) can be set for each row independently - Different display modes can be set for each row independently Caption · Text mode / OSD mode 1 / OSD mode 2 (Quarter size) / Simplifed graphic mode - Ten character sizes *1 Horez. Ч Vert. = (1 Ч 1), (1 Ч 2), (2 Ч 2), (2 Ч 4), (0.5 Ч 0.5) (1.5 Ч 1), (1.5 Ч 2), (3 Ч 2), (3 Ч 4), (0.75 Ч 0.5) - Shuttering and scrolling on each row - Simplified Graphic Display *1 Note : range depends on display mode : refer to the manual for details. (4) Bus Cycle Time / Instruction-Cycle Time Bus cycle time 0.424µs 7.5µs 183.1µs Instruction cycle time 0.848µs 15.0µs 366.2µs System clock oscillation Internal VCO (Ref : X'tal 32.768kHz) Internal RC Crystal Oscillation Frequency 14.156MHz 800kHz 32.768kHz Voltage 4.5V to 5.5V 4.5V to 5.5V 4.5V to 5.5V (5) Ports - Input / Output Ports : 5 ports (28 terminals)