Product Summary

The LC87F5NC8A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of 83.3ns, integrate on a single chip a number of hardware features such as 128K-byte flash ROM (onboard rewritable), 4096byte RAM, Onchip debugging function, sophisticated 16-bit timers/counters (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 base timer serving as a time-of-day clock, a high-speed clock counter, two synchronous SIO ports (with automatic block transmission/reception capabilities), an asynchronous/synchronous SIO port, two UART ports (full duplex), four 12-bit PWM channels, an 8-bit 15-channel AD converter, a system clock frequency divider, and a 29- source 10-vector interrupt feature.


Parametrics

LC87F5NC8A absolute maximum ratings: (1)Maximum Supply voltage VDD max VDD1, VDD2, VDD3, VDD4 VDD1=VDD2=VDD3=VDD4: -0.3 to +6.5V; (2)Input voltage VI(1)XT1, CF1: -0.3 to VDD+0.3V; (3)Input/Output Voltage VIO(1)Ports 0, 1, 2 Ports 3, 7, 8 Ports A, B, C, E, F SI2P0 to SI2P3 PWM0, PWM1,XT2: -0.3 to VDD+0.3 V; (4)Peak output current: 30mA; (5)Average output current: 20mA; (6)Total output current: 80mA; (7)Maximum power dissipation Pd max QIP100E(14×20)Ta=-40 to +85℃: 320 mW; (8)Operating ambient temperature Topr: -40 to +85℃; (9)Storage ambient temperature Tstg: -55 to +125 ℃.

Features

LC87F5NC8A features: (1)Flash ROM; (2)Capable of on-board-programing with wide range, 2.7 to 5.5V, of voltage source; (3)Block-erase in 128 byte units,; (4)131072 × 8 bits; (5)RAM 4096 × 9 bits; (6)Minimum Bus Cycle Time 83.3ns (12MHz)VDD=2.8 to 5.5V, 125ns (8MHz)VDD=2.5 to 5.5V, 500ns (2MHz)VDD=2.2 to 5.5V; (7)Note: Bus cycle time indicates the speed to read ROM; (8)Minimum Instruction Cycle Time (tCYC)250ns (12MHz)VDD=2.8 to 5.5V, 375ns (8MHz)VDD=2.5 to 5.5V, 1.5μs (2MHz)VDD=2.2 to 5.5V.

Diagrams

LC87F5NC8A pin connection

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