LCD+ADC Type MCU Family

EM78P520N
 
 
Data Sheet(eng)
Data Sheet(chs)
Package Outline
  - SDIP-32L
  - SOP-32L
  - QFP-44L
  - LQFP-44L
  - LQFP-48L
 
Supporting Tools
Supporting Documents
Supporting Tools/Doc Update
 
 
  General Description

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.




Features
  • CPU Configuration
  • 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
  • I/O Port Configuration
  • 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
  • Operating voltage range: 

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

  • Crystal mode: 

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

  • ERIC mode: 

DC~2.2MHz/2 clks @ 2.3V; DC~909ns inst. Cycle @ 2.3V

  • PLL mode: 

DC~16MHz/2 clks @ 5V; DC~125ns inst Cycle @ 5V

Sub Clock

  • Crystal mode: 32.768kHz
  • ERIC mode: 33kHz (2.2MW)
  • Peripheral Configuration
  • 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)
  • Special Features
  • Programmable free running watchdog timer
  • High ESD immunity
  • High EFT immunity
  • Power saving Sleep mode
  • Selectable Oscillation mode
  • Package Type:
  • 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


Applications

  • Remote control for air conditioner
  • Health care
  • Home appliance