Images are for reference only.
See Product Specifications for product details.
Operating voltage range: 2.3V~5.5V base on 0°C ~ 70°C (commercial) 2.5V~5.5V base on –40°C ~ 85°C (industrial)
Operating frequency range (base on 2 clocks):
Crystal mode: DC ~ 20MHz/2clks, 5V; DC ~ 8MHz/2clks, 3V
RC mode: DC ~ 4MHz/2clks, 5V; DC ~ 4MHz/2clks, 3V Low power consumption:
Less than 1.9 mA at 5V/4MHz • Typically 15 µA, at 3V/32kHz
Typically 1 µA, during sleep mode Built-in RC oscillator 4MHz, 8MHz,1MHz, 455kHz (auto calibration)
Programmable WDT time (4.5ms:18ms) Independent Programmable prescaler of WDT
One configuration register to match your requirements, and user’s ID code for customer use is provided
80× 8 on chip registers (SRAM, general purpose register)
2K × 13 on-chip ROM
Bi-directional I/O ports 8-level stacks for subroutine nesting
8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
8-bit real time clock/counter (TCCA, TCCC) and 16-bit real time clock/counter (TCCB) with selective signal sources, trigger edges, and overflow interrupt
One pair of comparators (can act as an OP)
4-bit multi-channel Analog-to-Digital Converter with 12-bit resolution
Easily-implemented IR (Infrared remote control) application circuit
Power down (SLEEP) mode
Six interrupt sources:
• TCC, TCCA, TCCB, and TCCC overflow interrupt
• Input-port status change interrupt (wake-up from sleep mode)
• External interrupt • Comparators status change interrupt
• IR/PWM interrupt
• ADC completion interrupt
Programmable free running watchdog timer
8 programmable pull-high I/O pins
8 programmable open-drain I/O pins
8 programmable pull-down I/O pins.
Two or Four clocks per instruction cycle
• 18-pin SOP 300mil : EM78P259NM
• 20-pin DIP 300mil : EM78P260NP
• 20-pin SOP 300mil : EM78P260NM
• 20-pin SSOP 209mil : EM78P260NKM
Power-on voltage detector available (2.0V± 0.1V)
EM78P259N and EM78P260N are 8-bit microprocessors designed and developed with low-power and high-speed CMOS technology.
It is equipped with a 2K*13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM).
With its OTP-ROM feature, it is able to offer a convenient way of developing and verifying your programs.
Moreover, it provides a protect bit to guard against code intrusion, as well as 3 Code Option words to accommodate your requirements.
Furthermore you can take advantage of ELAN Writer to easily write your development code into the EM78P259N and EM78P260N.
Pin Configuration (Package)
1 EM78P259NP/M Pin Assignment
2 EM78P260NP/M/KM Pin Assignment
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8-Bit Microprocessor with OTP ROM