8Bit Microcontroller with Full-Speed USB integrated 32K-byte Flash ROM and 2048Byte RAM
LC87F1A32A is an 8-bit 1-chip microcontroller that, centered around a CPU running at a minimum bus cycle time of 83.3 ns, integrates on a single chip a number of hardware features such as 32K-byte flash ROM on-board programmable, 2048-byte RAM, an onchip debugger, sophisticated 16-bit timers/counters may be divided into two 8-bit timers, a 16-bit timer may be divided into 8-bit timers or two PWMs, two 8-bit timers with a prescaler, a base timer serving as a time-of-day clock, a high speed clock counter, two channels of synchronous SIO interface with automatic block transmission/reception capabilities, an asynchronous/synchronous SIO interface, a UART interface full duplex, a full speed USB interface function, a 12-bit, 12-channel A-D converter 12- or 8-bit resolution selectable, two channels of 12-bit PWM, a system clock frequency divider, an infrared remote controller receiver circuit, and a 28-source, 10-vector interrupt feature.
Features
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- Flash ROM :
32768 x 8 bits
Capable of on-board-programming with
wide range, 3.0 to 5.5V, of voltage source.
Block-erasable in 128 byte units
Writable in 2-byte units
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- RAM : 2048 x 9 bits
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- Minimum Bus Cycle : 83.3ns CF=12MHz
Note : The bus cycle time here refers to the ROM read speed.
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- Minimum Instruction Cycle Time
250ns CF=12MHz