OrdeOrdering numbering numberr : ENA1898A : ENA1898A LC87F5WC8A CMOS IC FROM 128K byte, RAM 4096 byte on-chip LC87F5WC8A Minimum Instruction Cycle Time (tCYC) 250ns (12MHz) V =2.8 to 5.5V DD 375ns (8MHz) V =2.5 to 5.5V DD 1.5s (2MHz) V =2.2 to 5.5V DD Ports Normal withstand voltage I/O ports Ports whose I/O direction can be designated in 1-bit units 64 (P1n, P2n, P3n, P70 to P73, P8n, PAn, PBn, PCn, S2Pn, PWM0, PWM1, XT2) Ports whose I/O direction can be designated in 2-bit units 16 (PEn, PFn) Ports whose I/O direction can be designated in 4-bit units 8 (P0n) Normal withstand voltage input port 1 (XT1) Dedicated oscillator ports 2 (CF1, CF2) Reset pins 1 (RES) Power pins 8 (V 1 to V 4, V 1 to V 4) SS SS DD DD Timers Timer 0 : 16-bit timer/counter with capture register Mode 0: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers) 2 channels Mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers) + 8-bit counter (with two 8-bit capture registers) Mode 2: 16-bit timer with an 8-bit programmable prescaler (with two 16-bit capture registers) Mode 3: 16-bit counter (with 216-bit capture registers) Timer 1: 16-bit timer/counter that support PWM/ toggle output Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer/counter (with toggle outputs) Mode 1: 8-bit PWM with an 8-bit prescaler 2 channels Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs) (toggle outputs also from the lower-order 8 bits) Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs) (The lower-order 8 bits can be used as PWM.) Timer 4: 8-bit timer with a 6-bit prescaler Timer 5: 8-bit timer with a 6-bit prescaler Timer 6: 8-bit timer with a 6-bit prescaler (with toggle outputs) Timer 7: 8-bit timer with a 6-bit prescaler (with toggle outputs) Base timer (1) The clock is selectable from the subclock (32.768kHz crystal oscillator), system clock, and timer 0 prescaler output. (2) Interrupts programmable in 5 different time schemes. High-speed Clock Counter (1) Capable of counting clocks with a maximum clock rate of 24MHz (at a main clock of 12MHz). (2) Capable of generating output real-time. SIO SIO0: 8-bit synchronous serial interface (1) LSB first/MSB first mode selectable (2) Built-in 8-bit baudrate generator (maximum transfer clock cycle = 4/3 tCYC) (3) Automatic continuous data transmission (1 to 256 bits, specifiable in 1 bit units, suspension and resumption of data transmission possible in 1 byte units) SIO1: 8-bit asynchronous/synchronous serial interface Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks) Mode 1: Asynchronous serial I/O (half-duplex, 8 data bits, 1 stop bit, 8 to 2048 tCYC baudrates) Mode 2: Bus mode 1 (start bit, 8 data bits, 2 to 512 tCYC transfer clocks) Mode 3: Bus mode 2 (start detect, 8 data bits, stop detect) SIO2: 8 bit synchronous serial interface (1) LSB first mode (2) Built-in 8-bit baudrate generator (maximum transfer clock cycle = 4/3 tCYC) (3) Automatic continuous data transmission (1 to 32 bytes) No.A1898-2/27