View lc877264a datasheet:

Ordering number : ENN*6719 CMOS IC LC877264A/56A/48A 8-Bit Single Chip Microcontroller with 64/56/48 KB ROM and 2048-Byte RAM On Chip Preliminary Overview The LC877264A, LC877256A and LC877248A 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 : LC877264A 64K bytes LC877256A 56K bytes LC877248A 48K bytes - On-chip RAM capacity: 2048 bytes - LCD 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 seria