LC866412B Datasheet | SANYO

Overview The LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B microcontrollers are 8-bit single chip microcontrollers with the following on-chip functional blocks: - CPU : Operable at a minimum bus cycle time of 0.5µs (microsecond) - On-chip ROM Maximum Capacity : 48K bytes - On-chip RAM Capacity : 1152/768/640/512 bytes (LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B) - 16-bit timer /counter (or two 8-bit timers) - 16-bit timer /PWM (or two 8-bit timers) - 8-channel × 8-bit AD converter - Two 8-bit synchronous serial-interface circuits (1-channel × 16bit, 1-channel × 8bit) - 14-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. Ver.1.05 O0499 91400 RM (IM) SK No.6699-1/21 LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B Features (1) Read-Only Memory (ROM) : LC866448B 49152 × 8 bits : LC866444B 45056 × 8 bits : LC866440B 40960 × 8 bits : LC866436B 36864 × 8 bits : LC866432B 32768 × 8 bits : LC866428B 28672 × 8 bits : LC866424B 24576 × 8 bits : LC866420B 20480 × 8 bits : LC866416B 16384 × 8 bits : LC866412B 12288 × 8 bits : LC866408B 8192 × 8 bits (2) Random Access Memory (RAM) : LC866448B/44B/40B/36B 1152 × 8 bits : LC866432B/28B/24B 768 × 8 bits : LC866420B/16B 640 × 8 bits : LC866412B/08B 512 × 8 bits (3) Bus Cycle Time/Instruction Cycle Time The LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B are constructed to read ROM twice within one instruction cycle. It has 1.7 times more performance capability within the same instruction cycle pared to our 4-bit microputers (LC66000 series). Bus cycle time indicates the speed to read ROM. Bus cycle time 0.5µs 2µs 7.5µs 183µs Cycle time 1µs 4µs 15µs 366µs Clock divider 1/1 1/1 1/1 1/2 System clock oscillation Ceramic resonator oscillation Ceramic resonator oscillation RC resonator oscillation Crystal oscillation Oscillation Frequency 6MHz 3MHz 800k Hz 32.768k Hz Voltage 4.5V to 6.0V 2.5V to 6.0V 2.5V to 6.0V 2.5V to 6.0V (4) Ports - Input/output ports : 1 port (8...