LC863256A

Ordering number : ENN*6694 CMOS IC LC863264/56/48/40A 8-Bit Single Chip Microcontroller Preliminary Overview The LC863264/56/48/40A 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 : 64K/56K/48K/40K bytes CGROM : 16K bytes - On-chip RAM capacity : 640 bytes - OSD RAM : 352 × 9 bits - Closed-Caption TV controller and the on-screen display controller - Closed-Caption data slicer - Four channels × 8-bit AD Converter - Three channels × 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 - 16-source 10-vectored interrupt system - Integrated system clock generator and display clock generator Only one X’tal oscillator (32.768kHz) for PLL reference is used for both generators TV control and the Closed Caption function All of the above functions are fabricated on a single chip. Ver.0.91 51299 91400 RM (IM) HS No.6694-1/20 LC863264/56/48/40A Features (1) Read-Only Memory (ROM) : 65024 × 8 bits / 57344 × 8 bits / 49152 × 8 bits 40960 × 8 bits for program 16128 × 8 bits for CGROM 640 × 8 bits (including 128 bytes for ROM correction function) 352 × 9 bits (for CRT display) (2) Random Access Memory (RAM) : (3) OSD functions - Screen display : 36 characters × 16 lines (by software) - RAM : 352 words (9 bits per word) Di...