LC87F1M16A

No.A1909-2/32

Minimum Instruction Cycle Time (tCYC)

• 250ns (When CF=12MHz)

Ports

• I/O ports

Ports whose I/O direction can be designated in 1-bit units 35 (P00 to P07, P10 to P17, P20 to P27, P31 to P34,

P70 to P73, PWM0, PWM1, XT2)

• USB ports

2 (D+, D-)

• Dedicated oscillator ports

2 (CF1, CF2)

• Input-only port (also used for oscillation)

1 (XT1)

• Reset pins

1 (RES)

• Dedicated debugger port

1 (OWP0)

• Power supply pins

6 (VSS1 to 3, VDD1 to 3)

Timers

• Timer 0: 16-bit timer/counter with 2 capture registers.

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 two 16-bit capture registers)

• Timer 1: 16-bit timer/counter that supports PWM/toggle outputs

Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer/

counter with an 8-bit prescaler (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 possible from lower-order 8 bits)

Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs)

(lower-order 8 bits may be used as a PWM output)

• 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 oscillation), system clock, and timer 0 prescaler

output.

(2) Interrupts programmable in 5 different time schemes

SIO

• SIO0: Synchronous serial interface

(1) LSB first/MSB first mode selectable

(2) Transfer clock cycle: 4/3 to 512/3 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)

• SIO4: Synchronous serial interface

(1) LSB first/MSB first mode selectable

(2) Transfer clock cycle: 4/3 to 1020/3 tCYC

(3) Automatic continuous data transmission (1 to 1024 bytes, specifiable in 1 byte units, suspension and resumption

of data transmission possible in 1 byte or 2 bytes units)

(4) Clock polarity selectable

(5) CRC16 calculator circuit built in