8位微控制器 -MCU 8-BIT MICROCONTROLLER
The LC87F2R04A is an 8-bit microcontroller that, centered around a CPU running at a minimum bus cycle time of 83.3 ns, integrates a number of hardware features such as 4K-byte flash ROM, 128-byte RAM, an on-chip debugger, sophisticated 16-bit timers/counters may be divided into 8-bit timers, two 8-bit timers with a prescaler, an asynchronous/synchronous SIO interface, a 12-bit/8-bit 8-channel AD converter, an internal reset and a 12-source 8-vector interrupt feature.
Features
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- Flash ROM : 4096 × 8 bits
Capable of on-board programming with wide range 2.2 to 5.5V of voltage source.
Block-erasable in 128 byte units
Writable in 2-byte units
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- RAM : 128 × 9 bits
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- Minimum Bus Cycle :
83.3ns 12MHz at VDD=2.7V to 5.5V
100ns 10MHz at VDD=2.2V to 5.5V
Note: The bus cycle time here refers to the ROM read speed.