8Bit LCD Driver Microcontroller with 128K-byte Flash ROM and 4096Byte RAM
The LC87F7DC8A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of 83.3ns, integrates on a single chip a number of hardware features such as 128K-byte flash ROM onboard programmable, 4K-byte RAM, an on-chip debugger, a LCD controller/driver, sophisticated 16-bit timer/counter may be divided into 8-bit timers, a 16-bit timer/counter may be divided into 8-bit timers/counters or 8-bit PWMs, four 8-bit timers with a prescaler, a 16-bit timer with a prescaler may be divided into 8-bit timers, a base timer serving as a timeof- day clock, a day and time counter, a synchronous SIO interface with automatic block transmission/reception capabilities, an asynchronous/synchronous SIO interface, two UART ports full duplex, an 12-bit 15-channel AD converter, two 12-bit PWM channels, a high-speed clock counter, a system clock frequency divider, a small signal detector, two remote control receive functions, and a 31-source 10-vector interrupt feature.
Features
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- Flash ROM : 131072 x 8 bits
Capable of on-board-programming with wide range, 3.0 to 5.5V, of voltage source.
Block-erasable in 2-byte units
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- RAM : 4096 x 9 bits
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- Minimum Bus Cycle Time :
83.3ns 12MHz VDD=3.0 to 5.5V
125ns 8MHz VDD=2.5 to 5.5V
250ns 4MHz VDD=2.2 to 5.5V
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- Minimum Instruction Cycle Time tCYC :
250ns 12MHz VDD=3.0 to 5.5V
375ns 8MHz VDD=2.5 to 5.5V
750ns 4MHz VDD=2.2 to 5.5V