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LC865512A Dataheets PDF



Part Number LC865512A
Manufacturers Sanyo Semiconductor Corporation
Logo Sanyo Semiconductor Corporation
Description (LC8655xxA) 8-Bit Single Chip Microcontroller
Datasheet LC865512A DatasheetLC865512A Datasheet (PDF)

Ordering number : ENN*6697 CMOS IC LC865520A/16A/12A/08A/04A 8-Bit Single Chip Microcontroller with On-Chip 20/16/12/08/04K-Byte ROM and 512-Byte RAM Preliminary Overview The LC865520A/16A/12A/08A/04A microcontrollers are 8-bit single chip microcontrollers with the following one-chip functional blocks: - CPU : Operable at a minimum bus cycle time of 0.5µs (microsecond) - On-chip ROM Maximum Capacity : 20K bytes www.DataSheet4U.com - On-chip RAM Capacity : 512 bytes (LC865520A/16A/12A/08A/04A) .

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Ordering number : ENN*6697 CMOS IC LC865520A/16A/12A/08A/04A 8-Bit Single Chip Microcontroller with On-Chip 20/16/12/08/04K-Byte ROM and 512-Byte RAM Preliminary Overview The LC865520A/16A/12A/08A/04A microcontrollers are 8-bit single chip microcontrollers with the following one-chip functional blocks: - CPU : Operable at a minimum bus cycle time of 0.5µs (microsecond) - On-chip ROM Maximum Capacity : 20K bytes www.DataSheet4U.com - On-chip RAM Capacity : 512 bytes (LC865520A/16A/12A/08A/04A) - 16-bit timer /counter (or two 8-bit timers) - 16-bit timer /PWM (or two 8-bit timers) - 8-channel × 8-bit AD converter - Two 8-bit synchronous serial-interface circuits - 13-source 10-vectored interrupt system80 All of the above functions are fabricated on a single chip. Features (1) Read-Only Memory (ROM) : LC865520A 20480 × 8 bits : LC865516A 16384 × 8 bits : LC865512A 12288 × 8 bits : LC865508A 8192 × 8 bits : LC865504A 4096 × 8 bits (2) Random Access Memory (RAM) : LC865520A/16A/12A/08A/04A 512 × 8 bits (3) Bus Cycle Time/Instruction Cycle Time The LC865520A/16A/12A/08A/04A are constructed to read ROM twice within one instruction cycle. It has 1.7 times more performance capability within the same instruction cycle compared to our 4-bit microcomputers (LC66000 series). Bus cycle time indicates the speed to read ROM. Bus cycle time Cycle time Clock divider 1/1 1/2 1/2 1/2 System clock oscillation Ceramic resonator oscillation Ceramic resonator oscillation RC resonator oscillation Crystal oscillation Oscillation Frequency 6MHz 3MHz 800kHz 32.768kHz Voltage 4.5V to 6.0V 2.5V to 6.0V 2.5V to 6.0V 2.5V to 6.0V 0.5µs 2µs 7.5µs 183µs 1µs 4µs 15µs 366µs Ver.1.02 12296 91400 RM (IM) TW-1/19 LC865520A/16A/12A/08A/04A (4) Ports - Input/output ports : 3 ports (16 terminals : port 1,7,8) Input/output programmable in a bit - Maximum 15V withstand input/output port : 2 ports (15 terminals) Input/output port programmable in nibble units : 1 port (8 terminals : port 0) (When the N-channel open drain output is selected, the data in a bit can be inputted.) Input/output port programmable in a bit : 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 - Internal 8-bit baud-rate generator in common with two serial-interface circuits www.DataSheet4U.com (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 selectable: tCYC or 1/2 tCYC by program. - Base timer Every 500ms overflow system for a clock application (using 32.768kHz crystal oscillation for Base timer clock) Every 976µs, 3.9ms, 15.6ms, 62.5ms overflow system (using 32.768kHz crystal oscillation for Base timer clock) The Base timer clock selectable; 32.768kHz crystal oscillation, System clock, and programmable prescaler output of Timer 0 (8) Buzzer output - The Buzzer sound frequency selectable; 4KHz, 2KHz (using 32.768kHz crystal oscillation for Base timer clock) (9) Remote-control receiver circuit (Shares with P73/INT3/T0IN terminal) - Noise Rejection function (the time constant of noize rejection filter: 1tCYC/16tCYC/64tCYC) (tCYC: instruction cycle time) - Switch Polarity function (10) Watchdog timer - The watchdog timer is taken on RC outside - Watchdog timer operation selectable: interrupt system, system reset 2/19 LC865520A/16A/12A/08A/04A (11) Interrupt system - 13-source 10-vectored interrupts : 1. External interrupt INT0 (include watchdog timer) 2. External interrupt INT1 3. External interrupt INT2, Timer/counter T0L (Lower 8-bit) 4. External interrupt INT3, Base timer 5. Timer/counter T0H (Upper 8-bit) 6. Timer T1L, Timer T1H 7. Serial-interface SIO0 8. Serial-interface SIO1 9. AD converter 10. Port 0 - Built-in Interrupt Priority control register Microcomputer allows 3 levels of interrupt; low level, high level, and highest level of multiplex interrupt. It can specify a low level or a high level interrupt priority from INT2/T0L through port 0 www.DataSheet4U.com (i.e. the above interrupt number from three through ten). It can also specify a low level or the highest level interrupt priority to INT0 and INT1. (12) Subroutine stack levels - 128 levels (Max.): Stack area included in RAM area (13) Multiplication and division 16-bit × 8-bit (7 instruction cycle times) 16-bit / 8-bit (.


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