The LC87F1JJ4A is an 8-bit microcomputer that, integrates on a single chip a number of hardware features such as 192K-byte flash ROM, 20480-byte RAM, an on-chip debugger, a 16-bit timer/counter, a 16-bit timer, four 8-bit timers, a base timer serving as a realtime clock, 3 channels of synchronous SIO interface with automatic data transfer capabilities, an asynchronous/synchronous SIO interface, a UART interface, a full-speed USB interface (host control function), a 12-channel AD converter, 2 channels of 12-bit PWM, a system clock frequency divider, an infrared remote control receiver circuit, and an interrupt feature.

• Flash ROM : 196608 x 8 bits
• Capable of on-board programming
• with a wide range of supply voltages: 3.0 to 5.5V
• Block-erasable in 128 byte units
• Writes data in 2-byte units
• RAM : 20480 x 9 bits
• Bus Cycle Time :
• 83.3ns (When CF=12MHz)
• Note: The bus cycle time here refers to the ROM read speed.
• Minimum Instruction Cycle Time (tCYC) :
• 250ns (When CF=12MHz)