LC865520B 查看數據表（PDF） - SANYO -> Panasonic

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LC865520B

8-Bit Single Chip Microcontroller with On-Chip 20/16/12/08/04K-Byte ROM and 512-Byte RAM

SANYO -> Panasonic 

LC865520B/16B/12B/08B/04B

(4) Ports

- Input/output ports

: 3 ports (16 terminals : port 1,7,8)

Input/output programmable for each bit individually

- Maximum 15V withstand tolerance input/output port : 2 ports (15 terminals)

Input/output programmable in nibble units

: 1 port (8 terminals : port 0)

(When the N-channel open drain output is selected, input/output can be specified by bit.)

Input/output programmable for each bit individually : 1 port (7 terminals : port 3)

- Input ports

: 2 ports (6 terminals : port 7,8)

(5) AD converter

- 8-channel × 8-bit AD converter

(6) Serial interface

- 1 channel × 16-bit serial interface (8-bit transmission available by program)

- 1 channel × 8-bit serial interface

LSB first/MSB first-function available

- An internal 8-bit baud-rate generator is common to both serial-interface circuits.

(7) Timer

- Timer 0

16-bit timer/counter

2-bit prescaler + 8-bit programmable prescaler

Mode 0 : Two 8-bit timers with programmable prescaler

Mode 1 : 8-bit timer with programmable prescaler + 8-bit counter

Mode 2 : 16-bit timer with programmable prescaler

Mode 3 : 16-bit counter

The resolution of Timer is tCYC. (tCYC: cycle time)

- Timer 1

16-bit timer/PWM

Mode 0 : Two 8-bit timers

Mode 1 : 8-bit timer + 8-bit PWM

Mode 2 : 16-bit timer

Mode 3 : Variable-bit PWM (9-16bits)

In Mode 0 and Mode 1, the resolution of Timer and PWM is tCYC.

In Mode 2 and Mode 3, the resolution of Timer and PWM is selectable by program: tCYC or 1/2 tCYC.

- Base timer

Generates an overflow every 500ms for a clock application (using 32.768kHz crystal oscillation for the base timer

oscillator).

Generates an overflow every 976µs, 3.9ms, 15.6ms or 62.5ms (using 32.768kHz crystal oscillation for the base timer

clock)

Clock for the base timer is selectable from 32.768kHz crystal oscillation, system clock, or programmable prescaler

output of Timer 0.

(8) Buzzer output

- Built-in 4KHz and 2KHz buzzer generation function (using 32.768kHz crystal oscillation for the base timer oscillator)

(9) Remote receiver circuit (share with P73/INT3/T0IN terminal)

- Noise Rejection function (The filtering time of the noise rejection filter (1tCYC/16tCYC/64tCYC) can be switched by

program.)

(tCYC: instruction-cycle-time)

- Polarity switch function

(10) Watchdog timer

- External RC circuit is required.

- Interrupt or system reset is activated when the timer overflows.

No.6697-2/21

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