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Product Descriptions

The EM78P516N is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. Integrated onto a single chip are on-chip Watchdog Timer (WDT), Data RAM, ROM, Programmable Real Time Clock Counter, Internal/External Interrupt, Power-down mode, LCD driver, Infrared Transmitter function, and tri-state I/O. The series has an on-chip 6K×13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). The EM78P516N provides multi-protection bits to prevent intrusion of user’s OTP memory code. Seven Code option bits are available to meet user’s requirements. Special 13 bits customer ID options are provided as well. 

With its enhanced OTP-ROM feature, the EM78P516N provides a convenient way of developing and verifying user’s programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development and programming tools. Users can avail of the ELAN Writer to easily program their development code.

Product Features

CPU Configuration

? 6K×13 bits on-chip OTP-ROM

? 144 bytes general purpose register

? 128 bytes on-chip data RAM

? 272 bytes SRAM

144 bytes general purpose register

128 bytes on-chip data RAM

? 8-level stacks for subroutine nesting

? Power-on voltage detector provided (1.7±0.1V) for EM78P516N

I/O Port Configuration

? Typically, 12 bidirectional tri-state I/O ports.

? 16 bidirectional tri-state I/O ports shared with LCD segment output pin.

? Up to 28 bidirectional tri-state I/O ports

? Four programmable high-sink/drive I/O ports: P5,P6, P7, P8

Operating Voltage and Temperature Range: EM78P516N

? Commercial: 2.1V ~ 5.5V. (at 0°C ~+70°C)

? Industrial: 2.3V ~ 5.5V. (at -40°C ~+85°C)

Operating Mode:

? Normal mode: The CPU is operated on main oscillator frequency (Fm)

? Green mode: The CPU is operated on sub-oscillator frequency (Fs) and main oscillator (Fm) is stopped

? Idle mode: CPU idle, LCD display remains working

? Sleep mode: The whole chip stops working

? Input port wake-up function (Port 6, Port 8). Works on Idle and Sleep mode.

? Operation speed: DC ~ 10 MHz clock input

? Dual clock operation

Oscillation Mode

? High frequency oscillator can select among Crystal, RC, or PLL (phase lock loop)

? Low frequency oscillator can select between Crystal or RC mode

Peripheral Configuration

? 8-bit real Time Clock/Counter (TCC)

? One infrared transmitter/PWM generator function

? Four sets of 8 bits auto reload down-counting timer can be used as interrupt sources

? Counter 1: independent down-counting timer

? Counter 2, High Pulse Width Timer (HPWT), and Low Pulse Width Timer (LPWT) shared with IR function.

? Programmable free running on-chip Watchdog Timer (WDT). This function can operate in Normal, Green and Idle mode.

? 15-channels Analog-to-Digital Converter with 12bit resolution +1 internal reference for Vref and 1/2Vdd (power detector)

Eight Interrupt Sources: Three External and Five Internal

? Internal interrupt source: TCC; Counters 1 and 2 High/Low pulse width timer

? External interrupt source : INT0, INT1 and Pin change wake-up (Port 6 and Port 8)

LCD Circuit

? Common driver pins: 4

? Segment driver pins: 32

? LCD Bias: 1/3, 1/2 bias

? LCD Duty: 1/4, 1/3, 1/2 duty

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

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Company office environment

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Standard packaging

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