The EM78P520N is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. Integrated onto a single chip are on-chip Watchdog Timer (WDT), LCD Data RAM, ROM, programmable real time clock counter, internal / external interrupt, power down mode, 12 bits A/D Converter, UART, SPI, 8-channel LED driver, LCD driver and tri-state I/O.
- 8K x 13 bits on-chip ROM
- 272x8 bits on-chip registers (SRAM)
- 8-level stacks for subroutine nesting
- Dual clock operation or PLL operation mode
- Four operation mode: Normal, Green, Idle, Sleep
- Four programmable Level Voltage Detector (LVD) : 3.9V, 3.3V, 2.7V, 2.4V
- Four programmable Level Voltage Reset (LVR) : 3.9V, 3.3V, 2.6V, 2.1V(POR)
- Less than 2.1 mA at 5V/4MHz
- Typically 22 uA, at 3V/32kHz
- Typically 8 uA, during sleep mode
- Single Instruction Cycle Commands
- 6 bi-directional I/O ports : P7, P8, P9, PA, PB, PC
- 43 I/O pins
- 8-pin Direct Drive LED
- 39 Programmable open-drain I/O pins
- 43 programmable pull-high I/O pins
- External interrupt : P74~P77, PB0~PB3, P82~P83
OTP version:
- Operating voltage range : 2.3V~5.5V
- Operating temperature range : -40~85°C
- Operating frequency range:
- Crystal/RC oscillation circuit selected by code option for system clock
- 32.768kHz crystal/RC oscillation circuit selected by code option for sub-oscillatio
Main Clock
DC~20MHz/2 clks @ 5V; DC~100ns inst. Cycle @ 5V
DC~8MHz/2 clks @ 3V; DC~250ns inst. Cycle @ 3V
DC~4MHz/2 clks @ 2.3V; DC~500ns inst. Cycle @ 2.3V
DC~2.2MHz/2 clks @ 2.3V; DC~909ns inst. Cycle @ 2.3V
DC~16MHz/2 clks @ 5V; DC~125ns inst Cycle @ 5V
DC~8MHz/2 clks @ 3V; DC~250ns inst Cycle @ 3V
DC~4MHz/2 clks @ 2.3V; DC~500ns inst. Cycle @ 2.3V
Sub Clock
- Crystal mode: 32.768kHz
- ERIC mode: 33kHz (2.2MW)
- Serial peripheral interface (SPI) available
- 8-bit real time clock/counter (TCC)
- 12-channels Analog-to-Digital Converter with 12-bit resolution in Vref mode
- LCD: 8x23 dots, bias (1/2, 1/3, 1/4), duty (static, 1/3, 1/4, 1/8)
- Two 8-bit timers
- 8-bit Timer 1, auto reload counter/timer which can be an interrupt source. Function mode; Timer, Toggle output, UART baud rate generator, Capture, PWM
- 8-bit Timer 2, auto reload timer which can be aninterrupt source. Function mode; Timer, SPI baud rate generator, PWM
- Two sets of 8 bits auto reload counter/timer which can be cascaded to one 16-bit counter/timer
- Universal asynchronous receiver / transmitter (UART) available
- Four programmable watch timer: 1.0 sec, 0.5 sec, 0.25sec, 3.91ms
- Four programmable buzzer output: 0.5kHz, 1kHz, 2kHz, 4kHzn
- Eighteen available interrupts:
- TCC overflow interrupt
- Ten External interrupts
(wake-up from sleep mode)
- ADC completion interrupt
- Two timer interrupt
- Watch timer interrupt
- Two serial I/O interrupt
- Low voltage detect (LVD)
- Programmable free running watchdog timer
- High ESD immunity
- High EFT immunity
- Power saving Sleep mode
- Selectable Oscillation mode
- 32 pin SDIP 400mil : EM78P520NK32AJ/S
- 32 pin SOP 450mil : EM78P520NSO32J/S
- 44 pin QFP 10x10mm : EM78P520NQ44J/S
- 44 pin LQFP 10x10mm : EM78P520NL44J/S
- 48 pin LQFP 7x7mm : EM78P520NL48J/S
Note: Green product do not contain hazardous substances
|
