LC876580B

Ordering number : ENN*6717 CMOS IC LC876596B/80B 8-Bit Single Chip Microcontroller with 96/80 KB ROM and 2048-Byte RAM On Chip Preliminary Overview The LC876596B and LC876580B are 8 bit single chip microcontrollers with the following on-chip functional blocks : - CPU: operable at a minimum bus cycle time of 100 ns - On-chip ROM Maximum Capacity : LC876596B 96K bytes LC876580B 80K bytes - On-chip RAM: 2048 bytes - VFD automatic display controller / driver - 16 bit timer / counter (can be divided into two 8 bit timers) - 16 bit timer / PWM (can be divided into two 8 bit timers) - timer for use as date / time clock - synchronous serial I/O port (with automatic block transmit / receive function) - asynchronous / synchronous serial I/O port - 12-channel × 8-bit AD converter - Weak signal detector - 15-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. Features (1) Read-Only Memory (ROM): LC876596B LC876580B 98304 × 8 bits 81920 × 8 bits (2) Random Access Memory (RAM): LC876596B/80B 2048 × 9 bits (3) Minimum Bus Cycle Time: 100 ns (10 MHz) Note: The bus cycle time indicates ROM read time. Ver.1.04 12000 91400 RM (IM) SK No.6717-1/23 LC876596B/80B (4) Minimum Instruction Cycle Time: 300 ns (10MHz) (5) Ports - Input/output ports Data direction programmable for each bit individually : 20 (P1n, P70 to P73, P8n) - 15V withstand input/output ports Data direction programmable in nibble units : 8 (P0n) (When N-channel open drain output is...