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LC866532A Dataheets PDF



Part Number LC866532A
Manufacturers Sanyo
Logo Sanyo
Description 8-Bit Single Chip Microcontroller
Datasheet LC866532A DatasheetLC866532A Datasheet (PDF)

Ordering number : ENN*6700 CMOS IC LC866548/40/32/28/24A 8-Bit Single Chip Microcontroller Preliminary Overview - CPU : Operable at a minimum bus cycle time of 0.5µs (microsecond) - On-chip ROM maximum capacity : 48K bytes - On-chip RAM capacity : 1152 bytes (LC866548A/40A/32A) : 896 bytes (LC866528A/24A) - VFD automatic display controller/driver - 16-bit timer/counter (or two 8-bit timers) - 16-bit timer/ PWM (or two 8-bit timers) - 8-channels × 8 bit AD Converter - Two 8-bit synchronous seri.

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Ordering number : ENN*6700 CMOS IC LC866548/40/32/28/24A 8-Bit Single Chip Microcontroller Preliminary Overview - CPU : Operable at a minimum bus cycle time of 0.5µs (microsecond) - On-chip ROM maximum capacity : 48K bytes - On-chip RAM capacity : 1152 bytes (LC866548A/40A/32A) : 896 bytes (LC866528A/24A) - VFD automatic display controller/driver - 16-bit timer/counter (or two 8-bit timers) - 16-bit timer/ PWM (or two 8-bit timers) - 8-channels × 8 bit AD Converter - Two 8-bit synchronous serial-interface circuits (1-channel × 16 bit, 1-channel × 8 bit) - 14-source 10-vectored interrupt system All of the above functions are fabricated on a single chip. Features (1) Read Only Memory (ROM) : LC866548A : LC866540A : LC866532A : LC866528A : LC866524A 49152 × 8 bits 40960 × 8 bits 32768 × 8 bits 28672 × 8 bits 24576 × 8 bits Ver.1.05 71896 91400 RM (IM) SK No.6700-1/21 LC866548/40/32/28/24A (2) Random Access Memory (RAM) : LC866548A/40A/32A LC866528A/24A 1152 × 8 bits 896 × 8 bits (3) Bus Cycle Time / Instruction Cycle Time The bus cycle time indicates the speed to read ROM. Bus cycle time 0.5µs 2µs 7.5µs 183µs Cycle time 1µs 4µs 15µs 366µs 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 800MHz 32.768kHZ Voltage 4.5 - 6.0V 4.5 - 6.0V 4.5 - 6.0V 4.5 - 6.0V Note : External resisters (Rf, Rd) are required when X’tal oscillation is used. (4) Ports - Input/output ports : 3 ports (16 terminals : port 1, 7, 8) Input/output port programmable in a bit - 15V withstand Input/output ports : 2 ports (16 terminals) Input/output port programmable nibble unit : 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 (8 terminals : port 3) - Input port : 2 ports (6 terminals : port 7, 8) - VFD output port : 52 terminals Large current output for digit : 16 terminals Pull-down resistor option available - Other function Input/output port : 2 ports (12 terminals : port F, G) Input port : 3 ports (24 terminals : port C, D, E) (5) VFD automatic display controller - Segment/digit output pattern programmable Any segment/digit combination available VFD parallel-drive available - 16-step dimmer function available (6) AD converter - 8-channels × 8-bit AD converter (7) Serial interface - 1-channel × 16-bit serial interface circuits - 1-channel × 8-bit serial interface circuits - LSB first/MSB first function available - Internal 8-bit baud-rate generator in common with two serial interface circuits - SIO automatic transmission available (2-32 byte data can be transmitted with program automatically and continuously.) No.6700-2/21 LC866548/40/32/28/24A (8) Timers - Timer 0 : 16-bit timer/counter with 2-bit prescaler + 8-bit programmable prescaler Mode 0 : Two 8-bit timers with programmable prescaler Mode 1 : 8-bit timer with a programmable prescaler + 8-bit counter Mode 2 : 16-bit timer with a programmable prescaler Mode 3 : 16-bit counter The resolution of Timer is tCYC. (tCYC : cycle time) - Timer 1 : 16-bit timer/PWM with Mode 0 : Two 8-bit timers Mode 1 : 8-bit timer + 8-bit PWM Mode 2 : 16-bit timer Mode 3 : Variable-bit PWM (9-16 bits) 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 1/2tCYC 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 (9) Buzzer output - The Buzzer sound frequency selectable ; 4kHz, 2kHz (using 32.768kHz crystal oscillation for Base timer clock) (10) Remote control receiver circuit (connected to the P73/INT3/T0IN terminal) - Noise rejection function (the time constant of noise rejection filter : 1tCYC/16tCYC/64tCYC) (tCYC : instruction cycle time) - Polarity switching (11) Watchdog timer - The watchdog timer is taken on RC outside - Watchdog timer operation selectable : interrupt system, system reset (12) Interrupt system - 14-source 10-vectored interrupts : 1. External Interrupt INT0 (include watchdog timer) 2. External Interrupt INT1 3. External Interrupt INT2, Timer/counter T0L (Lower 8 bits) 4. External Interrupt INT3, base timer 5. Timer/counter T0H (Upper 8 bits) 6. Timer T1H / T1L 7. Serial interface SIO0 8. Serial interface SIO1 9. AD converter 10. VFD automatic display controller, Port 0 - Built-in Interrupt priority control register Microcontroller 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 (i. e. the abo.


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